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1. The high optical brightness of the BlueWalker 3 satellite

Author: Nandakumar, Sangeetha, Eggl, Siegfried, Tregloan-Reed, Jeremy, Adam, Christian, Anderson-Baldwin, Jasmine, Bannister, Michele T., Battle, Adam, Benkhaldoun, Zouhair, Campbell, Tanner, Colque, J. P., Damke, Guillermo, Plauchu Frayn, Ilse, Ghachoui, Mourad, Guillen, Pedro F., Kaeouach, Aziz Ettahar, Krantz, Harrison R., Langbroek, Marco, Rattenbury, Nicholas, Reddy, Vishnu, Ridden-Harper, Ryan, Young, Brad, Unda-Sanzana, Eduardo, Watson, Alan M., Walker, Constance E., Barentine, John C., Benvenuti, Piero, Di Vruno, Federico, Peel, Mike W., Rawls, Meredith L., Bassa, Cees, Flores-Quintana, Catalina, García, Pablo, Kim, Sam, Longa-Peña, Penélope, Ortiz, Edgar, Otarola, Ángel, Romero-Colmenares, María, Sanhueza, Pedro, Siringo, Giorgio, and Soto, Mario
Published: 2023
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2. The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data

Author: Abdurro'uf, Accetta, Katherine, Aerts, Conny, Aguirre, Victor Silva, Ahumada, Romina, Ajgaonkar, Nikhil, Ak, N. Filiz, Alam, Shadab, Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Aquino-Ortiz, Erik, Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Ata, Metin, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barba, Rodolfo H., Barger, Kat, Barrera-Ballesteros, Jorge K., Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew A., Beutler, Florian, Bidin, Christian Moni, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Boardman, Nicholas Fraser, Bolton, Adam S., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, W. N., Brown, Jordan, Brownstein, Joel R., Brusa, Marcella, Buchner, Johannes, Bundy, Kevin, Burchett, Joseph N., Bureau, Martin, Burgasser, Adam, Cabang, Tuesday K., Campbell, Stephanie, Cappellari, Michele, Carlberg, Joleen K., Wanderley, Fabio Carneiro, Carrera, Ricardo, Cash, Jennifer, Chen, Yan-Ping, Chen, Wei-Huai, Cherinka, Brian, Chiappini, Cristina, Choi, Peter Doohyun, Chojnowski, S. Drew, Chung, Haeun, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, da Costa, Luiz, Covey, Kevin, Crane, Jeffrey D., Cruz-Gonzalez, Irene, Culhane, Connor, Cunha, Katia, Dai, Y. Sophia, Damke, Guillermo, Darling, Jeremy, Davidson Jr., James W., Davies, Roger, Dawson, Kyle, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Cano-Diaz, Mariana, Sanchez, Helena Dominguez, Donor, John, Duckworth, Chris, Dwelly, Tom, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Mike, Escoffier, Stephanie, Fan, Xiaohui, Farr, Emily, Feng, Shuai, Fernandez-Trincado, Jose G., Feuillet, Diane, Filipp, Andreas, Fillingham, Sean P, Frinchaboy, Peter M., Fromenteau, Sebastien, Galbany, Lluis, Garcia, Rafael A., Garcia-Hernandez, D. A., Ge, Junqiang, Geisler, Doug, Gelfand, Joseph, Geron, Tobias, Gibson, Benjamin J., Goddy, Julian, Godoy-Rivera, Diego, Grabowski, Kathleen, Green, Paul J., Greener, Michael, Grier, Catherine J., Griffith, Emily, Guo, Hong, Guy, Julien, Hadjara, Massinissa, Harding, Paul, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hernandez, Jesus, Hill, Lewis, Hogg, David W., Holtzman, Jon A., Horta, Danny, Hsieh, Bau-Ching, Hsu, Chin-Hao, Hsu, Yun-Hsin, Huber, Daniel, Huertas-Company, Marc, Hutchinson, Brian, Hwang, Ho Seong, Ibarra-Medel, Hector J., Chitham, Jacob Ider, Ilha, Gabriele S., Imig, Julie, Jaekle, Will, Jayasinghe, Tharindu, Ji, Xihan, Johnson, Jennifer A., Jones, Amy, Jonsson, Henrik, Katkov, Ivan, Khalatyan, Arman, Kinemuchi, Karen, Kisku, Shobhit, Knapen, Johan H., Kneib, Jean-Paul, Kollmeier, Juna A., Kong, Miranda, Kounkel, Marina, Kreckel, Kathryn, Krishnarao, Dhanesh, Lacerna, Ivan, Lane, Richard R., Langgin, Rachel, Lavender, Ramon, Law, David R., Lazarz, Daniel, Leung, Henry W., Leung, Ho-Hin, Lewis, Hannah M., Li, Cheng, Li, Ran, Lian, Jianhui, Liang, Fu-Heng, Lin, Lihwai, Lin, Yen-Ting, Lin, Sicheng, Lintott, Chris, Long, Dan, Longa-Pena, Penelope, Lopez-Coba, Carlos, Lu, Shengdong, Lundgren, Britt F., Luo, Yuanze, Mackereth, J. Ted, de la Macorra, Axel, Mahadevan, Suvrath, Majewski, Steven R., Manchado, Arturo, Mandeville, Travis, Maraston, Claudia, Margalef-Bentabol, Berta, Masseron, Thomas, Masters, Karen L., Mathur, Savita, McDermid, Richard M., Mckay, Myles, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Miglio, Andrea, Di Mille, Francesco, Minniti, Dante, Minsley, Rebecca, Monachesi, Antonela, Moon, Jeongin, Mosser, Benoit, Mulchaey, John, Muna, Demitri, Munoz, Ricardo R., Myers, Adam D., Myers, Natalie, Nadathur, Seshadri, Nair, Preethi, Nandra, Kirpal, Neumann, Justus, Newman, Jeffrey A., Nidever, David L., Nikakhtar, Farnik, Nitschelm, Christian, O'Connell, Julia E., Garma-Oehmichen, Luis, de Oliveira, Gabriel Luan Souza, Olney, Richard, Oravetz, Daniel, Ortigoza-Urdaneta, Mario, Osorio, Yeisson, Otter, Justin, Pace, Zachary J., Padilla, Nelson, Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Ramirez, Karla Pena, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Pinsonneault, Marc, Poidevin, Frederick, Poovelil, Vijith Jacob, Price-Whelan, Adrian M., Queiroz, Anna Barbara de Andrade, Raddick, M. Jordan, Ray, Amy, Rembold, Sandro Barboza, Riddle, Nicole, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Rodriguez-Puebla, Aldo, Roman-Lopes, Alexandre, Roman-Zuniga, Carlos, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rubin, Kate H. R., Salvato, Mara, Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Sanderson, Robyn, Rojas, Felipe Antonio Santana, Sarceno, Edgar, Sarmiento, Regina, Sayres, Conor, Sazonova, Elizaveta, Schaefer, Adam L., Schiavon, Ricardo, Schlegel, David J, Schneider, Donald P., Schultheis, Mathias, Schwope, Axel, Serenelli, Aldo, Serna, Javier, Shao, Zhengyi, Shapiro, Griffin, Sharma, Anubhav, Shen, Yue, Shetrone, Matthew, Shu, Yiping, Simon, Joshua D., Skrutskie, M. F., Smethurst, Rebecca, Smith, Verne, Sobeck, Jennifer, Spoo, Taylor, Sprague, Dani, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Stone-Martinez, Alexander, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Stutz, Amelia, Su, Yung-Chau, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Telles, Eduardo, Teske, Johanna, Thakar, Ani, Theissen, Christopher, Thomas, Daniel, Tkachenko, Andrew, Tojeiro, Rita, Toledo, Hector Hernandez, Troup, Nicholas W., Trump, Jonathan R., Trussler, James, Turner, Jacqueline, Tuttle, Sarah, Unda-Sanzana, Eduardo, Vazquez-Mata, Jose Antonio, Valentini, Marica, Valenzuela, Octavio, Vargas-Gonzalez, Jaime, Vargas-Magana, Mariana, Alfaro, Pablo Vera, Villanova, Sandro, Vincenzo, Fiorenzo, Wake, David, Warfield, Jack T., Washington, Jessica Diane, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Weiss, Achim, Westfall, Kyle B., Wild, Vivienne, Wilde, Matthew C., Wilson, John C., Wilson, Robert F., Wilson, Mikayla, Wolf, Julien, Wood-Vasey, W. M., Yan, Renbin, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zheng, Zheng, and Zhu, Kai
Subjects: Astrophysics - Astrophysics of Galaxies, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete release of the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, which reached its goal of surveying over 10,000 nearby galaxies. The complete release of the MaNGA Stellar Library (MaStar) accompanies this data, providing observations of almost 30,000 stars through the MaNGA instrument during bright time. DR17 also contains the complete release of the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) survey which publicly releases infra-red spectra of over 650,000 stars. The main sample from the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), as well as the sub-survey Time Domain Spectroscopic Survey (TDSS) data were fully released in DR16. New single-fiber optical spectroscopy released in DR17 is from the SPectroscipic IDentification of ERosita Survey (SPIDERS) sub-survey and the eBOSS-RM program. Along with the primary data sets, DR17 includes 25 new or updated Value Added Catalogs (VACs). This paper concludes the release of SDSS-IV survey data. SDSS continues into its fifth phase with observations already underway for the Milky Way Mapper (MWM), Local Volume Mapper (LVM) and Black Hole Mapper (BHM) surveys., Comment: 40 pages, 8 figures, 6 tables. In press at ApJSS (arxiv v2 corrects some minor typos and updates references)
Published: 2021
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3. The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

Author: Ahumada, Romina, Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Arcodia, Riccardo, Armengaud, Eric, Aubert, Marie, Avila, Santiago, Avila-Reese, Vladimir, Badenes, Carles, Balland, Christophe, Barger, Kat, Barrera-Ballesteros, Jorge K., Basu, Sarbani, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Benavides, B. Izamar T., Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bidin, Christian Moni, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, W. N., Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Bureau, Martin, Burgasser, Adam, Burtin, Etienne, Cano-Diaz, Mariana, Capasso, Raffaella, Cappellari, Michele, Carrera, Ricardo, Chabanier, Solene, Chaplin, William, Chapman, Michael, Cherinka, Brian, Chiappini, Cristina, Choi, Peter Doohyun, Chojnowski, S. Drew, Chung, Haeun, Clerc, Nicolas, Coffey, Damien, Comerford, Julia M., Comparat, Johan, da Costa, Luiz, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Cunha, Katia, Ilha, Gabriele da Silva, Dai, Yu Sophia, Damsted, Sanna B., Darling, Jeremy, Davidson Jr., James W., Davies, Roger, Dawson, Kyle, De, Nikhil, de la Macorra, Axel, De Lee, Nathan, Queiroz, Anna Barbara de Andrade, Machado, Alice Deconto, de la Torre, Sylvain, Dell'Agli, Flavia, Bourboux, Helion du Mas des, Diamond-Stanic, Aleksandar M., Dillon, Sean, Donor, John, Drory, Niv, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Eftekharzadeh, Sarah, Eigenbrot, Arthur Davis, Elsworth, Yvonne P., Eracleous, Mike, Erfanianfar, Ghazaleh, Escoffier, Stephanie, Fan, Xiaohui, Farr, Emily, Fernandez-Trincado, Jose G., Feuillet, Diane, Finoguenov, Alexis, Fofie, Patricia, Fraser-McKelvie, Amelia, Frinchaboy, Peter M., Fromenteau, Sebastien, Fu, Hai, Galbany, Lluis, Garcia, Rafael A., Garcia-Hernandez, D. A., Oehmichen, Luis Alberto Garma, Ge, Junqiang, Maia, Marcio Antonio Geimba, Geisler, Doug, Gelfand, Joseph, Goddy, Julian, Goff, Jean-Marc Le, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Guo, Hong, Guy, Julien, Harding, Paul, Hasselquist, Sten, Hawken, Adam James, Hayes, Christian R., Hearty, Fred, Hekker, S., Hogg, David W., Holtzman, Jon, Horta, Danny, Hou, Jiamin, Hsieh, Bau-Ching, Huber, Daniel, Hunt, Jason A. S., Chitham, J. Ider, Imig, Julie, Jaber, Mariana, Angel, Camilo Eduardo Jimenez, Johnson, Jennifer A., Jones, Amy M., Jonsson, Henrik, Jullo, Eric, Kim, Yerim, Kinemuchi, Karen, Kirkpatrick IV, Charles C., Kite, George W., Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Kong, Hui, Kounkel, Marina, Krishnarao, Dhanesh, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Leung, Henry W., Lewis, Hannah, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Long, Dan, Longa-Pena, Penelope, Lundgren, Britt, Lyke, Brad W., Mackereth, J. Ted, MacLeod, Chelsea L., Majewski, Steven R., Manchado, Arturo, Maraston, Claudia, Martini, Paul, Masseron, Thomas, Masters, Karen L., Mathur, Savita, McDermid, Richard M., Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Miglio, Andrea, Minniti, Dante, Minsley, Rebecca, Miyaji, Takamitsu, Mohammad, Faizan Gohar, Mosser, Benoit, Mueller, Eva-Maria, Muna, Demitri, Munoz-Gutierrez, Andrea, Myers, Adam D., Nadathur, Seshadri, Nair, Preethi, Nandra, Kirpal, Nascimento, Janaina Correa do, Nevin, Rebecca Jean, Newman, Jeffrey A., Nidever, David L., Nitschelm, Christian, Noterdaeme, Pasquier, O'Connell, Julia E., Olmstead, Matthew D, Oravetz, Daniel, Oravetz, Audrey, Osorio, Yeisson, Pace, Zachary J., Padilla, Nelson, Palanque-Delabrouille, Nathalie, Palicio, Pedro A., Pan, Hsi-An, Pan, Kaike, Parker, James, Paviot, Romain, Peirani, Sebastien, Ramrez, Karla Pena, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Perez-Rafols, Ignasi, Petitjean, Patrick, Pieri, Matthew M., Pinsonneault, Marc, Poovelil, Vijith Jacob, Povick, Joshua Tyler, Prakash, Abhishek, Price-Whelan, Adrian M., Raddick, M. Jordan, Raichoor, Anand, Ray, Amy, Rembold, Sandro Barboza, Rezaie, Mehdi, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, A., Roman-Zuniga, Carlos, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Salvato, Mara, Sanchez, Ariel G., Sanchez-Menguiano, Laura, Sanchez-Gallego, Jose R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald P., Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Shafieloo, Arman, Shamsi, Shoaib Jamal, Shao, Zhengyi, Shen, Shiyin, Shetrone, Matthew, Shirley, Raphael, Aguirre, Victor Silva, Simon, Joshua D., Skrutskie, M. F., Slosar, Anze, Smethurst, Rebecca, Sobeck, Jennifer, Sodi, Bernardo Cervantes, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Stermer, Julianna, Storchi-Bergmann, Thaisa, Streblyanska, Alina, Stringfellow, Guy S., Stutz, Amelia, Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Theriault, Riley, Thomas, Daniel, Thomas, Zak C., Tinker, Jeremy, Tojeiro, Rita, Toledo, Hector Hernandez, Tremonti, Christy A., Troup, Nicholas W., Tuttle, Sarah, Unda-Sanzana, Eduardo, Valentini, Marica, Vargas-Gonzalez, Jaime, Vargas-Magana, Mariana, Vazquez-Mata, Jose Antonio, Vivek, M., Wake, David, Wang, Yuting, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Wild, Vivienne, Wilson, John C., Wilson, Robert F., Wolthuis, Nathan, Wood-Vasey, W. M., Yan, Renbin, Yang, Meng, Yeche, Christophe, Zamora, Olga, Zarrouk, Pauline, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gongbo, Zheng, Zheng, Zhu, Guangtun, and Zou, Hu
Subjects: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: This paper documents the sixteenth data release (DR16) from the Sloan Digital Sky Surveys; the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of data from the southern hemisphere survey of the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2); new data from APOGEE-2 North are also included. DR16 is also notable as the final data release for the main cosmological program of the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), and all raw and reduced spectra from that project are released here. DR16 also includes all the data from the Time Domain Spectroscopic Survey (TDSS) and new data from the SPectroscopic IDentification of ERosita Survey (SPIDERS) programs, both of which were co-observed on eBOSS plates. DR16 has no new data from the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey (or the MaNGA Stellar Library "MaStar"). We also preview future SDSS-V operations (due to start in 2020), and summarize plans for the final SDSS-IV data release (DR17)., Comment: DR16 release: Monday Dec 9th 2019. This is the alphabetical order SDSS-IV collaboration data release paper. 25 pages, 6 figures, accepted by ApJS on 11th May 2020. Minor changes clarify or improve text and figures relative to v1
Published: 2019
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4. Simulations of starspot anomalies within TESS exoplanetary transit light curves -- I. The detection limits of starspot anomalies in TESS light curves

Author: Tregloan-Reed, Jeremy and Unda-Sanzana, Eduardo
Subjects: Astrophysics - Earth and Planetary Astrophysics
Abstract: 20573 simulations of planetary transits around spotted stars were conducted using the transit-starspot model, \texttt{PRISM}. In total 3888 different scenarios were considered using three different host star spectral types, M4V, M1V and K5V. The mean amplitude of the starspot anomaly was measured and compared to the photometric precision of the light curve, to determine if the starspot anomaly's characteristic "blip" was noticeable in the light curve. The simulations show that, starspot anomalies will be observable in TESS 2\,min cadence data. The smallest starspot detectable in TESS transit light curves has a radius of $\approx1900$\,km. The starspot detection limits for the three host stars are: $4900\pm1700$\,km (M4V), $13800\pm6000$\,km (M1V) and $15900\pm6800$\,km (K5V). The smallest change in flux of the starspot ($\Delta F_\mathrm{spot} = 0.00015\pm0.00001$) can be detected when the ratio between the planetary and stellar radii, $k = 0.082\pm0.004$. The results confirm known dependencies between the amplitude of the starspot anomaly and the photometric parameters of the light curve. The results allowed the characterisation of the relationship between the change in flux of the starspot anomaly and the change in flux of the planetary transit for TESS transit light curves., Comment: 24 Pages, 12 Figures. Accepted for publication in A&A, section 10. Planets and planetary systems
Published: 2019
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5. Population control of Mars Trojans by the Yarkovsky & YORP effects

Author: Christou, Apostolos A., Borisov, Galin, Dell'Oro, Aldo, Jacobson, Seth A., Cellino, Alberto, and Unda-Sanzana, Eduardo
Subjects: Astrophysics - Earth and Planetary Astrophysics
Abstract: We explore the hypothesis that the population of Martian Trojans is the result of a balance between the production of new asteroids ("YORPlets") through the YORP effect and their eventual escape from the Trojan clouds through Yarkovsky-driven orbital evolution. Our principal observables are: (5261) Eureka, its family of 8 asteroids and the family-less Trojans (101429) 1998 VF31 & (121514) 1999 UJ7. We model the population evolution as a birth-death random process and assume it is in a steady state. We then simulate the discovery of Trojans to-date and find that family members of 101429 and 121514, if they exist, are intrinsically more difficult to detect than Eureka's. Their non-discovery can be used as evidence of their non-existence only under the assumption that their brightness relative to the parent asteroid is similar to that in the Eureka family. To find out how efficiently Mars Trojans are lost from the Trojan clouds due to the Yarkovsky effect, we carry out dynamical simulations of test particles originating from these parent bodies. We find that objects originating from Eureka and 121514 begin escaping after ~1 Gyr, but that those from 101429 are already lost by that time, probably due to that asteroid's proximity to an eccentricity-type secular resonance within Mars's co-orbital region. This is the likely cause behind the absence of Trojans in the orbital vicinity of 101429. In contrast, the solitary status of 121514 points to an intrinsic inability of the asteroid to produce YORPlets during the most recent ~20% of the solar system's history, a finding potentially related to 121514's present, low angular momentum rotational state, unless the Eureka family formed rapidly during a single fission event., Comment: 34 pages, 9 figures, to be published in Icarus
Published: 2019
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6. Spitzer Microlensing parallax reveals two isolated stars in the Galactic bulge

Author: Zang, Weicheng, Shvartzvald, Yossi, Wang, Tianshu, Udalski, Andrzej, Lee, Chung-Uk, Sumi, Takahiro, Skottfelt, Jesper, Li, Shun-Sheng, Mao, Shude, Zhu, Wei, Yee, Jennifer C., Novati, Sebastiano Calchi, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K., Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Bachelet, Etienne, Christie, Grant, Green, Jonathan, Hennerley, Steve, Maoz, Dan, Natusch, Tim, Pogge, Richard W., Street, Rachel A., Tsapras, Yiannis, Albrow, Michael D., Chung, Sun-Ju, Gould, Andrew, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Bond, Ian A., be, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Li, Man Cheung Alex, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Dominik, Martin, Hundertmark, Markus, Jørgensen, Uffe G., Rahvar, Sohrab, Sajadian, Sedighe, Snodgrass, Colin, Bozza, Valerio, Burgdorf, Martin J., Evans, Daniel F., Jaimes, Roberto Figuera, Fujii, Yuri I., Mancini, Luigi, Longa-Peña, Penelope, Helling, hristiane, Peixinho, Nuno, Rabus, Markus, Southworth, John, Unda-Sanzana, Eduardo, and von Essen, Carolina
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: We report the mass and distance measurements of two single-lens events from the 2017 Spitzer microlensing campaign. The ground-based observations yield the detection of finite-source effects, and the microlens parallaxes are derived from the joint analysis of ground-based observations and Spitzer observations. We find that the lens of OGLE-2017-BLG-1254 is a $0.60 \pm 0.03 M_{\odot}$ star with $D_{\rm LS} = 0.53 \pm 0.11~\text{kpc}$, where $D_{\rm LS}$ is the distance between the lens and the source. The second event, OGLE-2017-BLG-1161, is subject to the known satellite parallax degeneracy, and thus is either a $0.51^{+0.12}_{-0.10} M_{\odot}$ star with $D_{\rm LS} = 0.40 \pm 0.12~\text{kpc}$ or a $0.38^{+0.13}_{-0.12} M_{\odot}$ star with $D_{\rm LS} = 0.53 \pm 0.19~\text{kpc}$. Both of the lenses are therefore isolated stars in the Galactic bulge. By comparing the mass and distance distributions of the eight published Spitzer finite-source events with the expectations from a Galactic model, we find that the Spitzer sample is in agreement with the probability of finite-source effects occurrence in single lens events., Comment: 16 pages, 6 Figures. Submitted to AAS journal
Published: 2019
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7. OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

Author: Li, Shun-Sheng, Zang, Weicheng, Udalski, Andrzej, Shvartzvald, Yossi, Huber, Daniel, Lee, Chung-Uk, Sumi, Takahiro, Gould, Andrew, Mao, Shude, Fouqué, Pascal, Wang, Tianshu, Dong, Subo, Jørgensen, Uffe G., Cole, Andrew, Mróz, Przemek, Szymański, Michał K., Skowron, Jan, Poleski, Radosław, Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Yee, Jennifer C., Novati, Sebastiano Calchi, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Zhu, Wei, Albrow, Michael D., Chung, Sun-Ju, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Pogge, Richard W., Bond, Ian A., Abe, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Li, Man Cheung Alex, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Christie, Grant, Drummond, John, Green, Jonathan, Hennerley, Steve, Natusch, Tim, Porritt, Ian, Bachelet, Etienne, Maoz, Dan, Street, Rachel A., Tsapras, Yiannis, Bozza, Valerio, Dominik, Martin, Hundertmark, Markus, Peixinho, Nuno, Sajadian, Sedighe, Burgdorf, Martin J., Evans, Daniel F., Jaimes, Roberto Figuera, Fujii, Yuri I., Haikala, Lauri K., Helling, Christiane, Henning, Thomas, Hinse, Tobias C., Mancini, Luigi, Longa-Peña, Penelope, Rahvar, Sohrab, Rabus, Markus, Skottfelt, Jesper, Snodgrass, Colin, Southworth, John, Unda-Sanzana, Eduardo, von Essen, Carolina, Beaulieu, Jean-Phillipe, Blackman, Joshua, and Hill, Kym
Subjects: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Abstract: We present the analysis of the event OGLE-2017-BLG-1186 from the 2017 Spitzer microlensing campaign. This is a remarkable microlensing event because its source is photometrically bright and variable, which makes it possible to perform an asteroseismic analysis using ground-based data. We find that the source star is an oscillating red giant with average timescale of $\sim 9$ d. The asteroseismic analysis also provides us source properties including the source angular size ($\sim 27~\mu{\rm as}$) and distance ($\sim 11.5$ kpc), which are essential for inferring the properties of the lens. When fitting the light curve, we test the feasibility of Gaussian Processes (GPs) in handling the correlated noise caused by the variable source. We find that the parameters from the GP model are generally more loosely constrained than those from the traditional $\chi^2$ minimization method. We note that this event is the first microlensing system for which asteroseismology and GPs have been used to account for the variable source. With both finite-source effect and microlens parallax measured, we find that the lens is likely a $\sim 0.045~M_{\odot}$ brown dwarf at distance $\sim 9.0$ kpc, or a $\sim 0.073~M_{\odot}$ ultracool dwarf at distance $\sim 9.8$ kpc. Combining the estimated lens properties with a Bayesian analysis using a Galactic model, we find a $\sim 35$ per cent probability for the lens to be a bulge object and $\sim 65$ per cent to be a background disc object., Comment: 18 pages, 4 figures, 5 tables. Revised to match version published in MNRAS
Published: 2019
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8. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library

Author: Aguado, D. S., Ahumada, Romina, Almeida, Andres, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Ortiz, Erik Aquino, Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Rembold, Sandro Barboza, Barger, Kat, Barrera-Ballesteros, Jorge, Bates, Dominic, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Blomqvist, Michael, Bolton, Adam S., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burgasser, Adam, Byler, Nell, Diaz, Mariana Cano, Cappellari, Michele, Carrera, Ricardo, Sodi, Bernardo Cervantes, Chen, Yanping, Cherinka, Brian, Choi, Peter Doohyun, Chung, Haeun, Coffey, Damien, Comerford, Julia M., Comparat, Johan, Covey, Kevin, Ilha, Gabriele da Silva, da Costa, Luiz, Dai, Yu Sophia, Damke, Guillermo, Darling, Jeremy, Davies, Roger, Dawson, Kyle, Agathe, Victoria de Sainte, Machado, Alice Deconto, Del Moro, Agnese, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Sanchez, Helena Dominguez, Donor, John, Drory, Niv, Bourboux, Helion du Mas des, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Emsellem, Eric, Escoffier, Stephanie, Fernandez-Trincado, Jose G., Feuillet, Diane, Fischer, Johanna-Laina, Fleming, Scott W., Fraser-McKelvie, Amelia, Freischlad, Gordon, Frinchaboy, Peter M., Fu, Hai, Galbany, Lluis, Garcia-Dias, Rafael, Garcia-Hernandez, D. A., Oehmichen, Luis Alberto Garma, Maia, Marcio Antonio Geimba, Gil-Marin, Hector, Grabowski, Kathleen, Gu, Meng, Guo, Hong, Ha, Jaewon, Harrington, Emily, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Toledo, Hector Hernandez, Hicks, Harry, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Hsieh, Bau-Ching, Hunt, Jason A. S., Hwang, Ho Seong, Ibarra-Medel, Hector J., Angel, Camilo Eduardo Jimenez, Johnson, Jennifer, Jones, Amy, Jonsson, Henrik, Kinemuchi, Karen, Kollmeier, Juna, Krawczyk, Coleman, Kreckel, Kathryn, Kruk, Sandor, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Lee, Young-Bae, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Lin, Yen-Ting, Lintott, Chris, Long, Dan, Longa-Pena, Penelope, Mackereth, J. Ted, de la Macorra, Axel, Majewski, Steven R., Malanushenko, Olena, Manchado, Arturo, Maraston, Claudia, Mariappan, Vivek, Marinelli, Mariarosa, Marques-Chaves, Rui, Masseron, Thomas, Masters, Karen L., McDermid, Richard M., Pena, Nicolas Medina, Meneses-Goytia, Sofia, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Minniti, Dante, Minsley, Rebecca, Muna, Demitri, Myers, Adam D., Nair, Preethi, Nascimento, Janaina Correa do, Newman, Jeffrey A., Nitschelm, Christian, Olmstead, Matthew D, Oravetz, Audrey, Oravetz, Daniel, Minakata, Rene A. Ortega, Pace, Zach, Padilla, Nelson, Palicio, Pedro A., Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker III, James, Peirani, Sebastien, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Peterken, Thomas, Pinsonneault, Marc, Prakash, Abhishek, Raddick, Jordan, Raichoor, Anand, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, Alexandre, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald, Schultheis, Mathias, Seo, Hee-Jong, Shamsi, Shoaib J., Shao, Zhengyi, Shen, Shiyin, Shetty, Shravan, Simonian, Gregory, Smethurst, Rebecca, Sobeck, Jennifer, Souter, Barbara J., Spindler, Ashley, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Thomas, Daniel, Tissera, Patricia, Tojeiro, Rita, Troup, Nicholas W., Unda-Sanzana, Eduardo, Valenzuela, Octavio, na, Mariana Vargas-Maga, Mata, Jose Antonio Vazquez, Wake, David, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Westfall, Kyle B., Wild, Vivienne, Wilson, John, Woods, Emily, Yan, Renbin, Yang, Meng, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zheng, Zheng, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (July 2014-July 2017). This is the third data release for SDSS-IV, and the fifteenth from SDSS (Data Release Fifteen; DR15). New data come from MaNGA - we release 4824 datacubes, as well as the first stellar spectra in the MaNGA Stellar Library (MaStar), the first set of survey-supported analysis products (e.g. stellar and gas kinematics, emission line, and other maps) from the MaNGA Data Analysis Pipeline (DAP), and a new data visualisation and access tool we call "Marvin". The next data release, DR16, will include new data from both APOGEE-2 and eBOSS; those surveys release no new data here, but we document updates and corrections to their data processing pipelines. The release is cumulative; it also includes the most recent reductions and calibrations of all data taken by SDSS since first light. In this paper we describe the location and format of the data and tools and cite technical references describing how it was obtained and processed. The SDSS website (www.sdss.org) has also been updated, providing links to data downloads, tutorials and examples of data use. While SDSS-IV will continue to collect astronomical data until 2020, and will be followed by SDSS-V (2020-2025), we end this paper by describing plans to ensure the sustainability of the SDSS data archive for many years beyond the collection of data., Comment: Paper to accompany DR15. 25 pages, 6 figures. Accepted for publication in ApJSS. The two papers on the MaNGA Data Analysis Pipeline (DAP, Westfall et al. and Belfiore et al., see Section 4.1.2), and the paper on Marvin (Cherinka et al., see Section 4.2) have been submitted for collaboration review and will be posted to arXiv in due course. v2 fixes some broken URLs in the PDF
Published: 2018
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9. The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory

Author: SDSS Collaboration, Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolas G., Chavez, Hugo Orlando Camacho, Diaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, da Costa, Luiz, Ilha, Gabriele da Silva, Darling, Jeremy, Davidson Jr., James W., Dawson, Kyle, De Lee, Nathan, de la Macorra, Axel, de la Torre, Sylvain, Machado, Alice Deconto, Delubac, Timothee, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Bourboux, Helion du Mas des, Du, Cheng, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcon-Barroso, Jesus, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia-Hernandez, D. A., Perez, Ana E. Garcia, Garcia, Rafael A., Garcia-Dias, R., Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Marin, Hector Gil, Gillespie, Bruce, Girardi, Leo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Hector J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Goff, Jean-Marc Le, Leauthaud, Alexie, Li, Cheng, Li, Ran, Li, Chen, Li, Niu, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio-Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Mallmann, Nicolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszaros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O'Connell, Julia, Oravetz, Audrey, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogerio, Riffel, Rogemar A., Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodriguez-Torres, Sergio, Rodrigues, Thaise S., Roe, Natalie, Lopes, A. Roman, Roman-Zuniga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Ariel G., Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Santiago, Basilio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schoenrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Bosch, Remco van den, Vargas-Magana, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Subjects: Astrophysics - Astrophysics of Galaxies
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in July 2014. It pursues three core programs: APOGEE-2, MaNGA, and eBOSS. In addition, eBOSS contains two major subprograms: TDSS and SPIDERS. This paper describes the first data release from SDSS-IV, Data Release 13 (DR13), which contains new data, reanalysis of existing data sets and, like all SDSS data releases, is inclusive of previously released data. DR13 makes publicly available 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA, the first data released from this survey. It includes new observations from eBOSS, completing SEQUELS. In addition to targeting galaxies and quasars, SEQUELS also targeted variability-selected objects from TDSS and X-ray selected objects from SPIDERS. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification. DR13 releases new reductions of the APOGEE-1 data from SDSS-III, with abundances of elements not previously included and improved stellar parameters for dwarf stars and cooler stars. For the SDSS imaging data, DR13 provides new, more robust and precise photometric calibrations. Several value-added catalogs are being released in tandem with DR13, in particular target catalogs relevant for eBOSS, TDSS, and SPIDERS, and an updated red-clump catalog for APOGEE. This paper describes the location and format of the data now publicly available, as well as providing references to the important technical papers that describe the targeting, observing, and data reduction. The SDSS website, http://www.sdss.org, provides links to the data, tutorials and examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6-year operations of SDSS-IV., Comment: Full information on DR13 available at http://www.sdss.org. Comments welcome to spokesperson@sdss.org. To be published in ApJS
Published: 2016
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10. Population control of Mars Trojans by the Yarkovsky & YORP effects

Author: Christou, Apostolos A., Borisov, Galin, Dell’Oro, Aldo, Jacobson, Seth A., Cellino, Alberto, and Unda-Sanzana, Eduardo
Published: 2020
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11. A spectroscopic analysis of three cataclysmic variable stars

Author: Unda-Sanzana, Eduardo
Subjects: 523.841
Abstract: Cataclysmic variable stars (CVs) are binary systems in which matter is transferred from a low mass star to a white dwarf via an accretion disc. My thesis is a spectroscopic study of three of these objects: U Gem, GD 552 and GY Cnc. I present high-resolution optical spectra of U Gem taken during quiescent. For U Gem, the radial velocity semi-amplitude of the white dwarf, K₁, is accurately known thanks to a direct observation by Long et al. (1999), I find that even with these data the optical measurements are seriously distorted compared to the known value, which is not recovered to better than ˜ 20%. Doppler tomograms show emission at low velocity, close to the centre of mass, and a transient and sharp absorption feature is seen in the Balmer lines close to eclipse. I suggest that stellar prominences may explain part of these features. I study two features detected in He II4686.75 Å. They seem to be produced in the bright spot. The narrower feature has a velocity close to that of the accretion disc in the impact region. I present evidence of weak spiral structure, which may support explanations for "spiral shocks " based upon 3-body effects. I apply a method of isophote fitting to search for evidence of stream-disc overflow, but fail to uncover any. I detect evidence of irradiation of the mass donor with shielding by the disc: I estimate an H/R ratio between 0.15 and 0.20. For GD 552 I present spectroscopy taken with the aim of detecting emission from the mass donor. I fail to do so at a level which allows me to rule out the presence of a near-main-sequence star donor. Given GD 552's orbital period of 103 minutes, this suggests instead that it may be a system that has evolved through the ˜ 80-minute orbital period minimum of CVs and now has a brown dwarf mass donor. Finally, I give a first look at high-resolution data for GY Cnc whose dynamical parameters make it a near-perfect twin of U Gem. I find several surprising features: the bright spot is completely absent from the Balmer lines, although visible in other lines; emission from the secondary star seems to arise from the whole of its Roche lobe; and low velocity emission is detected near the centre of mass as in U Gem. I argue that GY Cnc provides further evidence of the presence of prominence-like structures on CVs.
Published: 2005

12. Optical observations of an ultrabright constellation satellite

Author: Nandakumar, Sangeetha, primary, Eggl, Siegfried, additional, Tregloan-Reed, Jeremy, additional, Adam, Christian, additional, Anderson-Baldwin, Jasmine, additional, Bannister, Michele, additional, Battle, Adam, additional, Benkhaldoun, Zouhair, additional, Reddy, Vishnu, additional, Colque, Juanpablo, additional, Damke, Guillermo, additional, Frayn, Ilse Plauchu, additional, Ghachoui, Mourad, additional, Guillen, Francisco, additional, Kaeouach, Aziz, additional, Krantz, Harrison, additional, Langbroek, Marco, additional, Rattenbury, Nicholas, additional, Ridden-Harper, Ryan, additional, Young, Brad, additional, Unda-Sanzana, Eduardo, additional, Watson, Alan, additional, Barentine, John, additional, Benvenuti, Piero, additional, Vruno, Federico Di, additional, Peel, Mike, additional, Rawls, Meredith, additional, Walker, Connie, additional, Bassa, Cees, additional, Flores-Quintana, Catalina, additional, Garcia, Pablo, additional, Kim, Sam, additional, Longa-Perna, Penelope, additional, Ortiz, Edgar, additional, Otarola, Angel, additional, Romero, María, additional, Sanhueza, Pedro, additional, Siringo, Giorgio, additional, and Soto, Mario, additional
Published: 2023
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13. The Seventeenth Data Release of the Sloan Digital Sky Surveys : Complete Release of MaNGA, MaStar, and APOGEE-2 Data

Author: Abdurro'uf, Accetta, Katherine, Aerts, Conny, Aguirre, Victor Silva, Ahumada, Romina, Ajgaonkar, Nikhil, Ak, N. Filiz, Alam, Shadab, Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Aquino-Ortiz, Erik, Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Ata, Metin, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barba, Rodolfo H., Barger, Kat, Barrera-Ballesteros, Jorge K., Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew A., Beutler, Florian, Bidin, Christian Moni, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Boardman, Nicholas Fraser, Bolton, Adam S., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, W. N., Brown, Jordan, Brownstein, Joel R., Brusa, Marcella, Buchner, Johannes, Bundy, Kevin, Burchett, Joseph N., Bureau, Martin, Burgasser, Adam, Cabang, Tuesday K., Campbell, Stephanie, Cappellari, Michele, Carlberg, Joleen K., Wanderley, Fabio Carneiro, Carrera, Ricardo, Cash, Jennifer, Chen, Yan-Ping, Chen, Wei-Huai, Cherinka, Brian, Chiappini, Cristina, Choi, Peter Doohyun, Chojnowski, S. Drew, Chung, Haeun, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, da Costa, Luiz, Covey, Kevin, Crane, Jeffrey D., Cruz-Gonzalez, Irene, Culhane, Connor, Cunha, Katia, Dai, Y. Sophia, Damke, Guillermo, Darling, Jeremy, Davidson, James W., Jr., Davies, Roger, Dawson, Kyle, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Cano-Diaz, Mariana, Sanchez, Helena Dominguez, Donor, John, Duckworth, Chris, Dwelly, Tom, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Mike, Escoffier, Stephanie, Fan, Xiaohui, Farr, Emily, Feng, Shuai, Fernandez-Trincado, Jose G., Feuillet, Diane, Filipp, Andreas, Fillingham, Sean P., Frinchaboy, Peter M., Fromenteau, Sebastien, Galbany, Lluis, Garcia, Rafael A., Garcia-Hernandez, D. A., Ge, Junqiang, Geisler, Doug, Gelfand, Joseph, Geron, Tobias, Gibson, Benjamin J., Goddy, Julian, Godoy-Rivera, Diego, Grabowski, Kathleen, Green, Paul J., Greener, Michael, Grier, Catherine J., Griffith, Emily, Guo, Hong, Guy, Julien, Hadjara, Massinissa, Harding, Paul, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hill, Lewis, Hogg, David W., Holtzman, Jon A., Horta, Danny, Hsieh, Bau-Ching, Hsu, Chin-Hao, Hsu, Yun-Hsin, Huber, Daniel, Huertas-Company, Marc, Hutchinson, Brian, Hwang, Ho Seong, Ibarra-Medel, Hector J., Chitham, Jacob Ider, Ilha, Gabriele S., Imig, Julie, Jaekle, Will, Jayasinghe, Tharindu, Ji, Xihan, Johnson, Jennifer A., Jones, Amy, Jönsson, Henrik, Katkov, Ivan, Khalatyan, Arman, Kinemuchi, Karen, Kisku, Shobhit, Knapen, Johan H., Kneib, Jean-Paul, Kollmeier, Juna A., Kong, Miranda, Kounkel, Marina, Kreckel, Kathryn, Krishnarao, Dhanesh, Lacerna, Ivan, Lane, Richard R., Langgin, Rachel, Lavender, Ramon, Law, David R., Lazarz, Daniel, Leung, Henry W., Leung, Ho-Hin, Lewis, Hannah M., Li, Cheng, Li, Ran, Lian, Jianhui, Liang, Fu-Heng, Lin, Lihwai, Lin, Yen-Ting, Lin, Sicheng, Lintott, Chris, Long, Dan, Longa-Pena, Penelope, Lopez-Coba, Carlos, Lu, Shengdong, Lundgren, Britt F., Luo, Yuanze, Mackereth, J. Ted, de la Macorra, Axel, Mahadevan, Suvrath, Majewski, Steven R., Manchado, Arturo, Mandeville, Travis, Maraston, Claudia, Margalef-Bentabol, Berta, Masseron, Thomas, Masters, Karen L., Mathur, Savita, McDermid, Richard M., Mckay, Myles, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Miglio, Andrea, Di Mille, Francesco, Minniti, Dante, Minsley, Rebecca, Monachesi, Antonela, Moon, Jeongin, Mosser, Benoit, Mulchaey, John, Muna, Demitri, Munoz, Ricardo R., Myers, Adam D., Myers, Natalie, Nadathur, Seshadri, Nair, Preethi, Nandra, Kirpal, Neumann, Justus, Newman, Jeffrey A., Nidever, David L., Nikakhtar, Farnik, Nitschelm, Christian, O'Connell, Julia E., Garma-Oehmichen, Luis, de Oliveira, Gabriel Luan Souza, Olney, Richard, Oravetz, Daniel, Ortigoza-Urdaneta, Mario, Osorio, Yeisson, Otter, Justin, Pace, Zachary J., Padilla, Nelson, Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Ramirez, Karla Pena, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Pinsonneault, Marc, Poidevin, Frederick, Poovelil, Vijith Jacob, Price-Whelan, Adrian M., Queiroz, Anna Barbara de Andrade, Raddick, M. Jordan, Ray, Amy, Rembold, Sandro Barboza, Riddle, Nicole, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Rodriguez-Puebla, Aldo, Roman-Lopes, Alexandre, Roman-Zuniga, Carlos, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rubin, Kate H. R., Salvato, Mara, Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Sanderson, Robyn, Rojas, Felipe Antonio Santana, Sarceno, Edgar, Sarmiento, Regina, Sayres, Conor, Sazonova, Elizaveta, Schaefer, Adam L., Schiavon, Ricardo, Schlegel, David J., Schneider, Donald P., Schultheis, Mathias, Schwope, Axel, Serenelli, Aldo, Serna, Javier, Shao, Zhengyi, Shapiro, Griffin, Sharma, Anubhav, Shen, Yue, Shetrone, Matthew, Shu, Yiping, Simon, Joshua D., Skrutskie, M. F., Smethurst, Rebecca, Smith, Verne, Sobeck, Jennifer, Spoo, Taylor, Sprague, Dani, Stark, David, V, Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Stone-Martinez, Alexander, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Stutz, Amelia, Su, Yung-Chau, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Telles, Eduardo, Teske, Johanna, Thakar, Ani, Theissen, Christopher, Tkachenko, Andrew, Thomas, Daniel, Tojeiro, Rita, Toledo, Hector Hernandez, Troup, Nicholas W., Trump, Jonathan R., Trussler, James, Turner, Jacqueline, Tuttle, Sarah, Unda-Sanzana, Eduardo, Vazquez-Mata, Jose Antonio, Valentini, Marica, Valenzuela, Octavio, Vargas-Gonzalez, Jaime, Vargas-Magana, Mariana, Alfaro, Pablo Vera, Villanova, Sandro, Vincenzo, Fiorenzo, Wake, David, Warfield, Jack T., Washington, Jessica Diane, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Weiss, Achim, Westfall, Kyle B., Wild, Vivienne, Wilde, Matthew C., Wilson, John C., Wilson, Robert F., Wilson, Mikayla, Wolf, Julien, Wood-Vasey, W. M., Yan, Renbin, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zheng, Zheng, Zhu, Kai, Abdurro'uf, Accetta, Katherine, Aerts, Conny, Aguirre, Victor Silva, Ahumada, Romina, Ajgaonkar, Nikhil, Ak, N. Filiz, Alam, Shadab, Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Aquino-Ortiz, Erik, Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Ata, Metin, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barba, Rodolfo H., Barger, Kat, Barrera-Ballesteros, Jorge K., Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew A., Beutler, Florian, Bidin, Christian Moni, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Boardman, Nicholas Fraser, Bolton, Adam S., Boquien, Mederic, Borissova, Jura, Bovy, Jo, Brandt, W. N., Brown, Jordan, Brownstein, Joel R., Brusa, Marcella, Buchner, Johannes, Bundy, Kevin, Burchett, Joseph N., Bureau, Martin, Burgasser, Adam, Cabang, Tuesday K., Campbell, Stephanie, Cappellari, Michele, Carlberg, Joleen K., Wanderley, Fabio Carneiro, Carrera, Ricardo, Cash, Jennifer, Chen, Yan-Ping, Chen, Wei-Huai, Cherinka, Brian, Chiappini, Cristina, Choi, Peter Doohyun, Chojnowski, S. Drew, Chung, Haeun, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, da Costa, Luiz, Covey, Kevin, Crane, Jeffrey D., Cruz-Gonzalez, Irene, Culhane, Connor, Cunha, Katia, Dai, Y. Sophia, Damke, Guillermo, Darling, Jeremy, Davidson, James W., Jr., Davies, Roger, Dawson, Kyle, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Cano-Diaz, Mariana, Sanchez, Helena Dominguez, Donor, John, Duckworth, Chris, Dwelly, Tom, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Mike, Escoffier, Stephanie, Fan, Xiaohui, Farr, Emily, Feng, Shuai, Fernandez-Trincado, Jose G., Feuillet, Diane, Filipp, Andreas, Fillingham, Sean P., Frinchaboy, Peter M., Fromenteau, Sebastien, Galbany, Lluis, Garcia, Rafael A., Garcia-Hernandez, D. A., Ge, Junqiang, Geisler, Doug, Gelfand, Joseph, Geron, Tobias, Gibson, Benjamin J., Goddy, Julian, Godoy-Rivera, Diego, Grabowski, Kathleen, Green, Paul J., Greener, Michael, Grier, Catherine J., Griffith, Emily, Guo, Hong, Guy, Julien, Hadjara, Massinissa, Harding, Paul, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hill, Lewis, Hogg, David W., Holtzman, Jon A., Horta, Danny, Hsieh, Bau-Ching, Hsu, Chin-Hao, Hsu, Yun-Hsin, Huber, Daniel, Huertas-Company, Marc, Hutchinson, Brian, Hwang, Ho Seong, Ibarra-Medel, Hector J., Chitham, Jacob Ider, Ilha, Gabriele S., Imig, Julie, Jaekle, Will, Jayasinghe, Tharindu, Ji, Xihan, Johnson, Jennifer A., Jones, Amy, Jönsson, Henrik, Katkov, Ivan, Khalatyan, Arman, Kinemuchi, Karen, Kisku, Shobhit, Knapen, Johan H., Kneib, Jean-Paul, Kollmeier, Juna A., Kong, Miranda, Kounkel, Marina, Kreckel, Kathryn, Krishnarao, Dhanesh, Lacerna, Ivan, Lane, Richard R., Langgin, Rachel, Lavender, Ramon, Law, David R., Lazarz, Daniel, Leung, Henry W., Leung, Ho-Hin, Lewis, Hannah M., Li, Cheng, Li, Ran, Lian, Jianhui, Liang, Fu-Heng, Lin, Lihwai, Lin, Yen-Ting, Lin, Sicheng, Lintott, Chris, Long, Dan, Longa-Pena, Penelope, Lopez-Coba, Carlos, Lu, Shengdong, Lundgren, Britt F., Luo, Yuanze, Mackereth, J. Ted, de la Macorra, Axel, Mahadevan, Suvrath, Majewski, Steven R., Manchado, Arturo, Mandeville, Travis, Maraston, Claudia, Margalef-Bentabol, Berta, Masseron, Thomas, Masters, Karen L., Mathur, Savita, McDermid, Richard M., Mckay, Myles, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Miglio, Andrea, Di Mille, Francesco, Minniti, Dante, Minsley, Rebecca, Monachesi, Antonela, Moon, Jeongin, Mosser, Benoit, Mulchaey, John, Muna, Demitri, Munoz, Ricardo R., Myers, Adam D., Myers, Natalie, Nadathur, Seshadri, Nair, Preethi, Nandra, Kirpal, Neumann, Justus, Newman, Jeffrey A., Nidever, David L., Nikakhtar, Farnik, Nitschelm, Christian, O'Connell, Julia E., Garma-Oehmichen, Luis, de Oliveira, Gabriel Luan Souza, Olney, Richard, Oravetz, Daniel, Ortigoza-Urdaneta, Mario, Osorio, Yeisson, Otter, Justin, Pace, Zachary J., Padilla, Nelson, Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Ramirez, Karla Pena, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Pinsonneault, Marc, Poidevin, Frederick, Poovelil, Vijith Jacob, Price-Whelan, Adrian M., Queiroz, Anna Barbara de Andrade, Raddick, M. Jordan, Ray, Amy, Rembold, Sandro Barboza, Riddle, Nicole, Riffel, Rogemar A., Riffel, Rogerio, Rix, Hans-Walter, Robin, Annie C., Rodriguez-Puebla, Aldo, Roman-Lopes, Alexandre, Roman-Zuniga, Carlos, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rubin, Kate H. R., Salvato, Mara, Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Sanderson, Robyn, Rojas, Felipe Antonio Santana, Sarceno, Edgar, Sarmiento, Regina, Sayres, Conor, Sazonova, Elizaveta, Schaefer, Adam L., Schiavon, Ricardo, Schlegel, David J., Schneider, Donald P., Schultheis, Mathias, Schwope, Axel, Serenelli, Aldo, Serna, Javier, Shao, Zhengyi, Shapiro, Griffin, Sharma, Anubhav, Shen, Yue, Shetrone, Matthew, Shu, Yiping, Simon, Joshua D., Skrutskie, M. F., Smethurst, Rebecca, Smith, Verne, Sobeck, Jennifer, Spoo, Taylor, Sprague, Dani, Stark, David, V, Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Stone-Martinez, Alexander, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Stutz, Amelia, Su, Yung-Chau, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Telles, Eduardo, Teske, Johanna, Thakar, Ani, Theissen, Christopher, Tkachenko, Andrew, Thomas, Daniel, Tojeiro, Rita, Toledo, Hector Hernandez, Troup, Nicholas W., Trump, Jonathan R., Trussler, James, Turner, Jacqueline, Tuttle, Sarah, Unda-Sanzana, Eduardo, Vazquez-Mata, Jose Antonio, Valentini, Marica, Valenzuela, Octavio, Vargas-Gonzalez, Jaime, Vargas-Magana, Mariana, Alfaro, Pablo Vera, Villanova, Sandro, Vincenzo, Fiorenzo, Wake, David, Warfield, Jack T., Washington, Jessica Diane, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Weiss, Achim, Westfall, Kyle B., Wild, Vivienne, Wilde, Matthew C., Wilson, John C., Wilson, Robert F., Wilson, Mikayla, Wolf, Julien, Wood-Vasey, W. M., Yan, Renbin, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zheng, Zheng, and Zhu, Kai
Abstract: This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete release of the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, which reached its goal of surveying over 10,000 nearby galaxies. The complete release of the MaNGA Stellar Library accompanies this data, providing observations of almost 30,000 stars through the MaNGA instrument during bright time. DR17 also contains the complete release of the Apache Point Observatory Galactic Evolution Experiment 2 survey that publicly releases infrared spectra of over 650,000 stars. The main sample from the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), as well as the subsurvey Time Domain Spectroscopic Survey data were fully released in DR16. New single-fiber optical spectroscopy released in DR17 is from the SPectroscipic IDentification of ERosita Survey subsurvey and the eBOSS-RM program. Along with the primary data sets, DR17 includes 25 new or updated value-added catalogs. This paper concludes the release of SDSS-IV survey data. SDSS continues into its fifth phase with observations already underway for the Milky Way Mapper, Local Volume Mapper, and Black Hole Mapper surveys.
Published: 2022
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14. The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

Author: Ahumada, Romina, primary, Prieto, Carlos Allende, additional, Almeida, Andrés, additional, Anders, Friedrich, additional, Anderson, Scott F., additional, Andrews, Brett H., additional, Anguiano, Borja, additional, Arcodia, Riccardo, additional, Armengaud, Eric, additional, Aubert, Marie, additional, Avila, Santiago, additional, Avila-Reese, Vladimir, additional, Badenes, Carles, additional, Balland, Christophe, additional, Barger, Kat, additional, Barrera-Ballesteros, Jorge K., additional, Basu, Sarbani, additional, Bautista, Julian, additional, Beaton, Rachael L., additional, Beers, Timothy C., additional, Benavides, B. Izamar T., additional, Bender, Chad F., additional, Bernardi, Mariangela, additional, Bershady, Matthew, additional, Beutler, Florian, additional, Bidin, Christian Moni, additional, Bird, Jonathan, additional, Bizyaev, Dmitry, additional, Blanc, Guillermo A., additional, Blanton, Michael R., additional, Boquien, Médéric, additional, Borissova, Jura, additional, Bovy, Jo, additional, Brandt, W. N., additional, Brinkmann, Jonathan, additional, Brownstein, Joel R., additional, Bundy, Kevin, additional, Bureau, Martin, additional, Burgasser, Adam, additional, Burtin, Etienne, additional, Cano-Díaz, Mariana, additional, Capasso, Raffaella, additional, Cappellari, Michele, additional, Carrera, Ricardo, additional, Chabanier, Solène, additional, Chaplin, William, additional, Chapman, Michael, additional, Cherinka, Brian, additional, Chiappini, Cristina, additional, Doohyun Choi, Peter, additional, Chojnowski, S. Drew, additional, Chung, Haeun, additional, Clerc, Nicolas, additional, Coffey, Damien, additional, Comerford, Julia M., additional, Comparat, Johan, additional, da Costa, Luiz, additional, Cousinou, Marie-Claude, additional, Covey, Kevin, additional, Crane, Jeffrey D., additional, Cunha, Katia, additional, Ilha, Gabriele da Silva, additional, Dai, Yu Sophia, additional, Damsted, Sanna B., additional, Darling, Jeremy, additional, Davidson, James W., additional, Davies, Roger, additional, Dawson, Kyle, additional, De, Nikhil, additional, de la Macorra, Axel, additional, De Lee, Nathan, additional, Queiroz, Anna Bárbara de Andrade, additional, Deconto Machado, Alice, additional, de la Torre, Sylvain, additional, Dell’Agli, Flavia, additional, du Mas des Bourboux, Hélion, additional, Diamond-Stanic, Aleksandar M., additional, Dillon, Sean, additional, Donor, John, additional, Drory, Niv, additional, Duckworth, Chris, additional, Dwelly, Tom, additional, Ebelke, Garrett, additional, Eftekharzadeh, Sarah, additional, Davis Eigenbrot, Arthur, additional, Elsworth, Yvonne P., additional, Eracleous, Mike, additional, Erfanianfar, Ghazaleh, additional, Escoffier, Stephanie, additional, Fan, Xiaohui, additional, Farr, Emily, additional, Fernández-Trincado, José G., additional, Feuillet, Diane, additional, Finoguenov, Alexis, additional, Fofie, Patricia, additional, Fraser-McKelvie, Amelia, additional, Frinchaboy, Peter M., additional, Fromenteau, Sebastien, additional, Fu, Hai, additional, Galbany, Lluís, additional, Garcia, Rafael A., additional, García-Hernández, D. A., additional, Oehmichen, Luis Alberto Garma, additional, Ge, Junqiang, additional, Maia, Marcio Antonio Geimba, additional, Geisler, Doug, additional, Gelfand, Joseph, additional, Goddy, Julian, additional, Gonzalez-Perez, Violeta, additional, Grabowski, Kathleen, additional, Green, Paul, additional, Grier, Catherine J., additional, Guo, Hong, additional, Guy, Julien, additional, Harding, Paul, additional, Hasselquist, Sten, additional, Hawken, Adam James, additional, Hayes, Christian R., additional, Hearty, Fred, additional, Hekker, S., additional, Hogg, David W., additional, Holtzman, Jon A., additional, Horta, Danny, additional, Hou, Jiamin, additional, Hsieh, Bau-Ching, additional, Huber, Daniel, additional, Hunt, Jason A. S., additional, Chitham, J. Ider, additional, Imig, Julie, additional, Jaber, Mariana, additional, Angel, Camilo Eduardo Jimenez, additional, Johnson, Jennifer A., additional, Jones, Amy M., additional, Jönsson, Henrik, additional, Jullo, Eric, additional, Kim, Yerim, additional, Kinemuchi, Karen, additional, Kirkpatrick IV, Charles C., additional, Kite, George W., additional, Klaene, Mark, additional, Kneib, Jean-Paul, additional, Kollmeier, Juna A., additional, Kong, Hui, additional, Kounkel, Marina, additional, Krishnarao, Dhanesh, additional, Lacerna, Ivan, additional, Lan, Ting-Wen, additional, Lane, Richard R., additional, Law, David R., additional, Le Goff, Jean-Marc, additional, Leung, Henry W., additional, Lewis, Hannah, additional, Li, Cheng, additional, Lian, Jianhui, additional, Lin, Lihwai, additional, Long, Dan, additional, Longa-Peña, Penélope, additional, Lundgren, Britt, additional, Lyke, Brad W., additional, Ted Mackereth, J., additional, MacLeod, Chelsea L., additional, Majewski, Steven R., additional, Manchado, Arturo, additional, Maraston, Claudia, additional, Martini, Paul, additional, Masseron, Thomas, additional, Masters, Karen L., additional, Mathur, Savita, additional, McDermid, Richard M., additional, Merloni, Andrea, additional, Merrifield, Michael, additional, Mészáros, Szabolcs, additional, Miglio, Andrea, additional, Minniti, Dante, additional, Minsley, Rebecca, additional, Miyaji, Takamitsu, additional, Mohammad, Faizan Gohar, additional, Mosser, Benoit, additional, Mueller, Eva-Maria, additional, Muna, Demitri, additional, Muñoz-Gutiérrez, Andrea, additional, Myers, Adam D., additional, Nadathur, Seshadri, additional, Nair, Preethi, additional, Nandra, Kirpal, additional, do Nascimento, Janaina Correa, additional, Nevin, Rebecca Jean, additional, Newman, Jeffrey A., additional, Nidever, David L., additional, Nitschelm, Christian, additional, Noterdaeme, Pasquier, additional, O’Connell, Julia E., additional, Olmstead, Matthew D., additional, Oravetz, Daniel, additional, Oravetz, Audrey, additional, Osorio, Yeisson, additional, Pace, Zachary J., additional, Padilla, Nelson, additional, Palanque-Delabrouille, Nathalie, additional, Palicio, Pedro A., additional, Pan, Hsi-An, additional, Pan, Kaike, additional, Parker, James, additional, Paviot, Romain, additional, Peirani, Sebastien, additional, Ramŕez, Karla Peña, additional, Penny, Samantha, additional, Percival, Will J., additional, Perez-Fournon, Ismael, additional, Pérez-Ràfols, Ignasi, additional, Petitjean, Patrick, additional, Pieri, Matthew M., additional, Pinsonneault, Marc, additional, Poovelil, Vijith Jacob, additional, Povick, Joshua Tyler, additional, Prakash, Abhishek, additional, Price-Whelan, Adrian M., additional, Raddick, M. Jordan, additional, Raichoor, Anand, additional, Ray, Amy, additional, Rembold, Sandro Barboza, additional, Rezaie, Mehdi, additional, Riffel, Rogemar A., additional, Riffel, Rogério, additional, Rix, Hans-Walter, additional, Robin, Annie C., additional, Roman-Lopes, A., additional, Román-Zúñiga, Carlos, additional, Rose, Benjamin, additional, Ross, Ashley J., additional, Rossi, Graziano, additional, Rowlands, Kate, additional, Rubin, Kate H. R., additional, Salvato, Mara, additional, Sánchez, Ariel G., additional, Sánchez-Menguiano, Laura, additional, Sánchez-Gallego, José R., additional, Sayres, Conor, additional, Schaefer, Adam, additional, Schiavon, Ricardo P., additional, Schimoia, Jaderson S., additional, Schlafly, Edward, additional, Schlegel, David, additional, Schneider, Donald P., additional, Schultheis, Mathias, additional, Schwope, Axel, additional, Seo, Hee-Jong, additional, Serenelli, Aldo, additional, Shafieloo, Arman, additional, Shamsi, Shoaib Jamal, additional, Shao, Zhengyi, additional, Shen, Shiyin, additional, Shetrone, Matthew, additional, Shirley, Raphael, additional, Aguirre, Víctor Silva, additional, Simon, Joshua D., additional, Skrutskie, M. F., additional, Slosar, Anže, additional, Smethurst, Rebecca, additional, Sobeck, Jennifer, additional, Sodi, Bernardo Cervantes, additional, Souto, Diogo, additional, Stark, David V., additional, Stassun, Keivan G., additional, Steinmetz, Matthias, additional, Stello, Dennis, additional, Stermer, Julianna, additional, Storchi-Bergmann, Thaisa, additional, Streblyanska, Alina, additional, Stringfellow, Guy S., additional, Stutz, Amelia, additional, Suárez, Genaro, additional, Sun, Jing, additional, Taghizadeh-Popp, Manuchehr, additional, Talbot, Michael S., additional, Tayar, Jamie, additional, Thakar, Aniruddha R., additional, Theriault, Riley, additional, Thomas, Daniel, additional, Thomas, Zak C., additional, Tinker, Jeremy, additional, Tojeiro, Rita, additional, Toledo, Hector Hernandez, additional, Tremonti, Christy A., additional, Troup, Nicholas W., additional, Tuttle, Sarah, additional, Unda-Sanzana, Eduardo, additional, Valentini, Marica, additional, Vargas-González, Jaime, additional, Vargas-Magaña, Mariana, additional, Vázquez-Mata, Jose Antonio, additional, Vivek, M., additional, Wake, David, additional, Wang, Yuting, additional, Weaver, Benjamin Alan, additional, Weijmans, Anne-Marie, additional, Wild, Vivienne, additional, Wilson, John C., additional, Wilson, Robert F., additional, Wolthuis, Nathan, additional, Wood-Vasey, W. M., additional, Yan, Renbin, additional, Yang, Meng, additional, Yèche, Christophe, additional, Zamora, Olga, additional, Zarrouk, Pauline, additional, Zasowski, Gail, additional, Zhang, Kai, additional, Zhao, Cheng, additional, Zhao, Gongbo, additional, Zheng, Zheng, additional, Zhu, Guangtun, additional, and Zou, Hu, additional
Published: 2020
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15. Antofagasta: Astronomy education on the shoulders of giants

Author: Unda-Sanzana, Eduardo, primary
Published: 2019
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16. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

Author: Aguado, D. S., primary, Ahumada, Romina, additional, Almeida, Andrés, additional, Anderson, Scott F., additional, Andrews, Brett H., additional, Anguiano, Borja, additional, Ortíz, Erik Aquino, additional, Aragón-Salamanca, Alfonso, additional, Argudo-Fernández, Maria, additional, Aubert, Marie, additional, Avila-Reese, Vladimir, additional, Badenes, Carles, additional, Barboza Rembold, Sandro, additional, Barger, Kat, additional, Barrera-Ballesteros, Jorge, additional, Bates, Dominic, additional, Bautista, Julian, additional, Beaton, Rachael L., additional, Beers, Timothy C., additional, Belfiore, Francesco, additional, Bernardi, Mariangela, additional, Bershady, Matthew, additional, Beutler, Florian, additional, Bird, Jonathan, additional, Bizyaev, Dmitry, additional, Blanc, Guillermo A., additional, Blanton, Michael R., additional, Blomqvist, Michael, additional, Bolton, Adam S., additional, Boquien, Médéric, additional, Borissova, Jura, additional, Bovy, Jo, additional, Nielsen Brandt, William, additional, Brinkmann, Jonathan, additional, Brownstein, Joel R., additional, Bundy, Kevin, additional, Burgasser, Adam, additional, Byler, Nell, additional, Cano Diaz, Mariana, additional, Cappellari, Michele, additional, Carrera, Ricardo, additional, Cervantes Sodi, Bernardo, additional, Chen, Yanping, additional, Cherinka, Brian, additional, Doohyun Choi, Peter, additional, Chung, Haeun, additional, Coffey, Damien, additional, Comerford, Julia M., additional, Comparat, Johan, additional, Covey, Kevin, additional, da Silva Ilha, Gabriele, additional, da Costa, Luiz, additional, Sophia Dai, Yu, additional, Damke, Guillermo, additional, Darling, Jeremy, additional, Davies, Roger, additional, Dawson, Kyle, additional, de Sainte Agathe, Victoria, additional, Deconto Machado, Alice, additional, Del Moro, Agnese, additional, De Lee, Nathan, additional, Diamond-Stanic, Aleksandar M., additional, Domínguez Sánchez, Helena, additional, Donor, John, additional, Drory, Niv, additional, du Mas des Bourboux, Hélion, additional, Duckworth, Chris, additional, Dwelly, Tom, additional, Ebelke, Garrett, additional, Emsellem, Eric, additional, Escoffier, Stephanie, additional, Fernández-Trincado, José G., additional, Feuillet, Diane, additional, Fischer, Johanna-Laina, additional, Fleming, Scott W., additional, Fraser-McKelvie, Amelia, additional, Freischlad, Gordon, additional, Frinchaboy, Peter M., additional, Fu, Hai, additional, Galbany, Lluís, additional, Garcia-Dias, Rafael, additional, García-Hernández, D. A., additional, Alberto Garma Oehmichen, Luis, additional, Antonio Geimba Maia, Marcio, additional, Gil-Marín, Héctor, additional, Grabowski, Kathleen, additional, Gu, Meng, additional, Guo, Hong, additional, Ha, Jaewon, additional, Harrington, Emily, additional, Hasselquist, Sten, additional, Hayes, Christian R., additional, Hearty, Fred, additional, Hernandez Toledo, Hector, additional, Hicks, Harry, additional, Hogg, David W., additional, Holley-Bockelmann, Kelly, additional, Holtzman, Jon A., additional, Hsieh, Bau-Ching, additional, Hunt, Jason A. S., additional, Seong Hwang, Ho, additional, Ibarra-Medel, Héctor J., additional, Eduardo Jimenez Angel, Camilo, additional, Johnson, Jennifer, additional, Jones, Amy, additional, Jönsson, Henrik, additional, Kinemuchi, Karen, additional, Kollmeier, Juna, additional, Krawczyk, Coleman, additional, Kreckel, Kathryn, additional, Kruk, Sandor, additional, Lacerna, Ivan, additional, Lan, Ting-Wen, additional, Lane, Richard R., additional, Law, David R., additional, Lee, Young-Bae, additional, Li, Cheng, additional, Lian, Jianhui, additional, Lin, Lihwai, additional, Lin, Yen-Ting, additional, Lintott, Chris, additional, Long, Dan, additional, Longa-Peña, Penélope, additional, Ted Mackereth, J., additional, de la Macorra, Axel, additional, Majewski, Steven R., additional, Malanushenko, Olena, additional, Manchado, Arturo, additional, Maraston, Claudia, additional, Mariappan, Vivek, additional, Marinelli, Mariarosa, additional, Marques-Chaves, Rui, additional, Masseron, Thomas, additional, Masters, Karen L., additional, McDermid, Richard M., additional, Medina Peña, Nicolás, additional, Meneses-Goytia, Sofia, additional, Merloni, Andrea, additional, Merrifield, Michael, additional, Meszaros, Szabolcs, additional, Minniti, Dante, additional, Minsley, Rebecca, additional, Muna, Demitri, additional, Myers, Adam D., additional, Nair, Preethi, additional, Correa do Nascimento, Janaina, additional, Newman, Jeffrey A., additional, Nitschelm, Christian, additional, Olmstead, Matthew D, additional, Oravetz, Audrey, additional, Oravetz, Daniel, additional, Ortega Minakata, René A., additional, Pace, Zach, additional, Padilla, Nelson, additional, Palicio, Pedro A., additional, Pan, Kaike, additional, Pan, Hsi-An, additional, Parikh, Taniya, additional, Parker, James, additional, Peirani, Sebastien, additional, Penny, Samantha, additional, Percival, Will J., additional, Perez-Fournon, Ismael, additional, Peterken, Thomas, additional, Pinsonneault, Marc H., additional, Prakash, Abhishek, additional, Raddick, M. Jordan, additional, Raichoor, Anand, additional, Riffel, Rogemar A., additional, Riffel, Rogério, additional, Rix, Hans-Walter, additional, Robin, Annie C., additional, Roman-Lopes, Alexandre, additional, Rose, Benjamin, additional, Ross, Ashley J., additional, Rossi, Graziano, additional, Rowlands, Kate, additional, Rubin, Kate H. R., additional, Sánchez, Sebastián F., additional, Sánchez-Gallego, José R., additional, Sayres, Conor, additional, Schaefer, Adam, additional, Schiavon, Ricardo P., additional, Schimoia, Jaderson S., additional, Schlafly, Edward, additional, Schlegel, David, additional, Schneider, Donald P., additional, Schultheis, Mathias, additional, Seo, Hee-Jong, additional, Shamsi, Shoaib J., additional, Shao, Zhengyi, additional, Shen, Shiyin, additional, Shetty, Shravan, additional, Simonian, Gregory, additional, Smethurst, Rebecca J., additional, Sobeck, Jennifer, additional, Souter, Barbara J., additional, Spindler, Ashley, additional, Stark, David V., additional, Stassun, Keivan G., additional, Steinmetz, Matthias, additional, Storchi-Bergmann, Thaisa, additional, Stringfellow, Guy S., additional, Suárez, Genaro, additional, Sun, Jing, additional, Taghizadeh-Popp, Manuchehr, additional, Talbot, Michael S., additional, Tayar, Jamie, additional, Thakar, Aniruddha R., additional, Thomas, Daniel, additional, Tissera, Patricia, additional, Tojeiro, Rita, additional, Troup, Nicholas W., additional, Unda-Sanzana, Eduardo, additional, Valenzuela, Octavio, additional, Vargas-Magaña, Mariana, additional, Antonio Vázquez-Mata, José, additional, Wake, David, additional, Alan Weaver, Benjamin, additional, Weijmans, Anne-Marie, additional, Westfall, Kyle B., additional, Wild, Vivienne, additional, Wilson, John, additional, Woods, Emily, additional, Yan, Renbin, additional, Yang, Meng, additional, Zamora, Olga, additional, Zasowski, Gail, additional, Zhang, Kai, additional, Zheng, Zheng, additional, Zhu, Guangtun, additional, Zinn, Joel C., additional, and Zou, Hu, additional
Published: 2019
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17. Highlights in the Implementation of the AstroBVI Project to Increase Quality Education and Reduce Inequality in Latin America.

Author: Argudo-Fernández, Maria, Bonne, Nicolas, Krawczyk, Coleman, Gupta, Jen, Rodríguez Quiroz, Alexis, Longa-Peña, Penélope, Pablo Colque-Saavedra, Juan, Boquien, Médéric, Unda-Sanzana, Eduardo, Ortiz-Gil, Amelia, Pérez-Henao, Ángela, Couto, Guilherme, and Martins, Alessandro
Subjects: EDUCATIONAL quality, SOCIAL status, SCIENTIFIC ability, EQUALITY, PEOPLE with visual disabilities, SPACE sciences
Abstract: AstroBVI is an inclusive astronomy project funded by the International Astronomical Union Office of Astronomy for Development (IAU OAD). AstroBVI has been designed for the blind and visually impaired (BVI) community, who are often excluded from outreach and educational activities concerning visually-intensive areas of knowledge such as astronomy. In this project we aim to break down the barriers between science and ability, and to bring astronomy's beauty to a visually- impaired public, independently of gender, wealth and social status. We have created and distributed educational kits composed of 3D tactile maps of galaxies accompanied by a manual and multimedia material in Spanish and Portuguese. Our kit has been mainly distributed to Latin American countries, where we have created a community of AstroBVI teachers. We present the project and highlight some of the activities carried out by this community. [ABSTRACT FROM AUTHOR]
Published: 2020

18. The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory

Author: Albareti, Franco D., primary, Prieto, Carlos Allende, additional, Almeida, Andres, additional, Anders, Friedrich, additional, Anderson, Scott, additional, Andrews, Brett H., additional, Aragón-Salamanca, Alfonso, additional, Argudo-Fernández, Maria, additional, Armengaud, Eric, additional, Aubourg, Eric, additional, Avila-Reese, Vladimir, additional, Badenes, Carles, additional, Bailey, Stephen, additional, Barbuy, Beatriz, additional, Barger, Kat, additional, Barrera-Ballesteros, Jorge, additional, Bartosz, Curtis, additional, Basu, Sarbani, additional, Bates, Dominic, additional, Battaglia, Giuseppina, additional, Baumgarten, Falk, additional, Baur, Julien, additional, Bautista, Julian, additional, Beers, Timothy C., additional, Belfiore, Francesco, additional, Bershady, Matthew, additional, de Lis, Sara Bertran, additional, Bird, Jonathan C., additional, Bizyaev, Dmitry, additional, Blanc, Guillermo A., additional, Blanton, Michael, additional, Blomqvist, Michael, additional, Bolton, Adam S., additional, Borissova, J., additional, Bovy, Jo, additional, Brandt, William Nielsen, additional, Brinkmann, Jonathan, additional, Brownstein, Joel R., additional, Bundy, Kevin, additional, Burtin, Etienne, additional, Busca, Nicolás G., additional, Chavez, Hugo Orlando Camacho, additional, Díaz, M. Cano, additional, Cappellari, Michele, additional, Carrera, Ricardo, additional, Chen, Yanping, additional, Cherinka, Brian, additional, Cheung, Edmond, additional, Chiappini, Cristina, additional, Chojnowski, Drew, additional, Chuang, Chia-Hsun, additional, Chung, Haeun, additional, Cirolini, Rafael Fernando, additional, Clerc, Nicolas, additional, Cohen, Roger E., additional, Comerford, Julia M., additional, Comparat, Johan, additional, Correa do Nascimento, Janaina, additional, Cousinou, Marie-Claude, additional, Covey, Kevin, additional, Crane, Jeffrey D., additional, Croft, Rupert, additional, Cunha, Katia, additional, Darling, Jeremy, additional, Davidson, James W., additional, Dawson, Kyle, additional, Da Costa, Luiz, additional, Da Silva Ilha, Gabriele, additional, Machado, Alice Deconto, additional, Delubac, Timothée, additional, De Lee, Nathan, additional, De la Macorra, Axel, additional, De la Torre, Sylvain, additional, Diamond-Stanic, Aleksandar M., additional, Donor, John, additional, Downes, Juan Jose, additional, Drory, Niv, additional, Du, Cheng, additional, Du Mas des Bourboux, Hélion, additional, Dwelly, Tom, additional, Ebelke, Garrett, additional, Eigenbrot, Arthur, additional, Eisenstein, Daniel J., additional, Elsworth, Yvonne P., additional, Emsellem, Eric, additional, Eracleous, Michael, additional, Escoffier, Stephanie, additional, Evans, Michael L., additional, Falcón-Barroso, Jesús, additional, Fan, Xiaohui, additional, Favole, Ginevra, additional, Fernandez-Alvar, Emma, additional, Fernandez-Trincado, J. G., additional, Feuillet, Diane, additional, Fleming, Scott W., additional, Font-Ribera, Andreu, additional, Freischlad, Gordon, additional, Frinchaboy, Peter, additional, Fu, Hai, additional, Gao, Yang, additional, Garcia, Rafael A., additional, Garcia-Dias, R., additional, Garcia-Hernández, D. A., additional, Pérez, Ana E. Garcia, additional, Gaulme, Patrick, additional, Ge, Junqiang, additional, Geisler, Douglas, additional, Gillespie, Bruce, additional, Marin, Hector Gil, additional, Girardi, Léo, additional, Goddard, Daniel, additional, Chew, Yilen Gomez Maqueo, additional, Gonzalez-Perez, Violeta, additional, Grabowski, Kathleen, additional, Green, Paul, additional, Grier, Catherine J., additional, Grier, Thomas, additional, Guo, Hong, additional, Guy, Julien, additional, Hagen, Alex, additional, Hall, Matt, additional, Harding, Paul, additional, Harley, R. E., additional, Hasselquist, Sten, additional, Hawley, Suzanne, additional, Hayes, Christian R., additional, Hearty, Fred, additional, Hekker, Saskia, additional, Toledo, Hector Hernandez, additional, Ho, Shirley, additional, Hogg, David W., additional, Holley-Bockelmann, Kelly, additional, Holtzman, Jon A., additional, Holzer, Parker H., additional, Hu, Jian, additional, Huber, Daniel, additional, Hutchinson, Timothy Alan, additional, Hwang, Ho Seong, additional, Ibarra-Medel, Héctor J., additional, Ivans, Inese I., additional, Ivory, KeShawn, additional, Jaehnig, Kurt, additional, Jensen, Trey W., additional, Johnson, Jennifer A., additional, Jones, Amy, additional, Jullo, Eric, additional, Kallinger, T., additional, Kinemuchi, Karen, additional, Kirkby, David, additional, Klaene, Mark, additional, Kneib, Jean-Paul, additional, Kollmeier, Juna A., additional, Lacerna, Ivan, additional, Lane, Richard R., additional, Lang, Dustin, additional, Laurent, Pierre, additional, Law, David R., additional, Leauthaud, Alexie, additional, Le Goff, Jean-Marc, additional, Li, Chen, additional, Li, Cheng, additional, Li, Niu, additional, Li, Ran, additional, Liang, Fu-Heng, additional, Liang, Yu, additional, Lima, Marcos, additional, Lin, Lihwai, additional, Lin, Lin, additional, Lin, Yen-Ting, additional, Liu, Chao, additional, Long, Dan, additional, Lucatello, Sara, additional, MacDonald, Nicholas, additional, MacLeod, Chelsea L., additional, Mackereth, J. Ted, additional, Mahadevan, Suvrath, additional, Maia, Marcio Antonio Geimba, additional, Maiolino, Roberto, additional, Majewski, Steven R., additional, Malanushenko, Olena, additional, Malanushenko, Viktor, additional, Mallmann, Nícolas Dullius, additional, Manchado, Arturo, additional, Maraston, Claudia, additional, Marques-Chaves, Rui, additional, Valpuesta, Inma Martinez, additional, Masters, Karen L., additional, Mathur, Savita, additional, McGreer, Ian D., additional, Merloni, Andrea, additional, Merrifield, Michael R., additional, Meszáros, Szabolcs, additional, Meza, Andres, additional, Miglio, Andrea, additional, Minchev, Ivan, additional, Molaverdikhani, Karan, additional, Montero-Dorta, Antonio D., additional, Mosser, Benoit, additional, Muna, Demitri, additional, Myers, Adam, additional, Nair, Preethi, additional, Nandra, Kirpal, additional, Ness, Melissa, additional, Newman, Jeffrey A., additional, Nichol, Robert C., additional, Nidever, David L., additional, Nitschelm, Christian, additional, O’Connell, Julia, additional, Oravetz, Audrey, additional, Oravetz, Daniel J., additional, Pace, Zachary, additional, Padilla, Nelson, additional, Palanque-Delabrouille, Nathalie, additional, Pan, Kaike, additional, Parejko, John, additional, Paris, Isabelle, additional, Park, Changbom, additional, Peacock, John A., additional, Peirani, Sebastien, additional, Pellejero-Ibanez, Marcos, additional, Penny, Samantha, additional, Percival, Will J., additional, Percival, Jeffrey W., additional, Perez-Fournon, Ismael, additional, Petitjean, Patrick, additional, Pieri, Matthew, additional, Pinsonneault, Marc H., additional, Pisani, Alice, additional, Prada, Francisco, additional, Prakash, Abhishek, additional, Price-Jones, Natalie, additional, Raddick, M. Jordan, additional, Rahman, Mubdi, additional, Raichoor, Anand, additional, Rembold, Sandro Barboza, additional, Reyna, A. M., additional, Rich, James, additional, Richstein, Hannah, additional, Ridl, Jethro, additional, Riffel, Rogemar A., additional, Riffel, Rogério, additional, Rix, Hans-Walter, additional, Robin, Annie C., additional, Rockosi, Constance M., additional, Rodríguez-Torres, Sergio, additional, Rodrigues, Thaíse S., additional, Roe, Natalie, additional, Lopes, A. Roman, additional, Román-Zúñiga, Carlos, additional, Ross, Ashley J., additional, Rossi, Graziano, additional, Ruan, John, additional, Ruggeri, Rossana, additional, Runnoe, Jessie C., additional, Salazar-Albornoz, Salvador, additional, Salvato, Mara, additional, Sanchez, Sebastian F., additional, Sanchez, Ariel G., additional, Sanchez-Gallego, José R., additional, Santiago, Basílio Xavier, additional, Schiavon, Ricardo, additional, Schimoia, Jaderson S., additional, Schlafly, Eddie, additional, Schlegel, David J., additional, Schneider, Donald P., additional, Schönrich, Ralph, additional, Schultheis, Mathias, additional, Schwope, Axel, additional, Seo, Hee-Jong, additional, Serenelli, Aldo, additional, Sesar, Branimir, additional, Shao, Zhengyi, additional, Shetrone, Matthew, additional, Shull, Michael, additional, Aguirre, Victor Silva, additional, Skrutskie, M. F., additional, Slosar, Anže, additional, Smith, Michael, additional, Smith, Verne V., additional, Sobeck, Jennifer, additional, Somers, Garrett, additional, Souto, Diogo, additional, Stark, David V., additional, Stassun, Keivan G., additional, Steinmetz, Matthias, additional, Stello, Dennis, additional, Bergmann, Thaisa Storchi, additional, Strauss, Michael A., additional, Streblyanska, Alina, additional, Stringfellow, Guy S., additional, Suarez, Genaro, additional, Sun, Jing, additional, Taghizadeh-Popp, Manuchehr, additional, Tang, Baitian, additional, Tao, Charling, additional, Tayar, Jamie, additional, Tembe, Mita, additional, Thomas, Daniel, additional, Tinker, Jeremy, additional, Tojeiro, Rita, additional, Tremonti, Christy, additional, Troup, Nicholas, additional, Trump, Jonathan R., additional, Unda-Sanzana, Eduardo, additional, Valenzuela, O., additional, Van den Bosch, Remco, additional, Vargas-Magaña, Mariana, additional, Vazquez, Jose Alberto, additional, Villanova, Sandro, additional, Vivek, M., additional, Vogt, Nicole, additional, Wake, David, additional, Walterbos, Rene, additional, Wang, Yuting, additional, Wang, Enci, additional, Weaver, Benjamin Alan, additional, Weijmans, Anne-Marie, additional, Weinberg, David H., additional, Westfall, Kyle B., additional, Whelan, David G., additional, Wilcots, Eric, additional, Wild, Vivienne, additional, Williams, Rob A., additional, Wilson, John, additional, Wood-Vasey, W. M., additional, Wylezalek, Dominika, additional, Xiao, Ting, additional, Yan, Renbin, additional, Yang, Meng, additional, Ybarra, Jason E., additional, Yeche, Christophe, additional, Yuan, Fang-Ting, additional, Zakamska, Nadia, additional, Zamora, Olga, additional, Zasowski, Gail, additional, Zhang, Kai, additional, Zhao, Cheng, additional, Zhao, Gong-Bo, additional, Zheng, Zheng, additional, Zhou, Zhi-Min, additional, Zhu, Guangtun, additional, Zinn, Joel C., additional, and Zou, Hu, additional
Published: 2017
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19. EduAlma

Author: Unda-Sanzana, Eduardo, Henri-Nitschelm, Christian, and Universidad de Antofagasta
Subjects: Multidisciplinaria, Ciencias Naturales
Abstract: Desarrollar y difundir prototipos funcionales y autoexplicativos de las antenas que utiliza el radiotelescopio ALMA, con el fin de acercar a la comunidad las técnicas utilizadas en la observación astronómica es el objetivo de este proyecto. Concurso Productos de Apropiación Social Concurso Productos de Apropiación Social II Concurso Productos II Concurso Productos EXPLORA EXPLORA
Published: 2014

20. A spectroscopic analysis of three cataclysmic variable stars

Author: Unda-Sanzana, Eduardo. and Unda-Sanzana, Eduardo.
Abstract: Cataclysmic variable stars (CVs) are binary systems in which matter is transferred from a low mass star to a white dwarf via an accretion disc. My thesis is a spectroscopic study of three of these objects: U Gem, GD 552 and GY Cnc. I present high-resolution optical spectra of U Gem taken during quiescent. For U Gem, the radial velocity semi-amplitude of the white dwarf, K1, is accurately known thanks to a direct observation by Long et al. (1999), I find that even with these data the optical measurements are seriously distorted compared to the known value, which is not recovered to better than ˜ 20%. Doppler tomograms show emission at low velocity, close to the centre of mass, and a transient and sharp absorption feature is seen in the Balmer lines close to eclipse. I suggest that stellar prominences may explain part of these features. I study two features detected in He II4686.75 Å. They seem to be produced in the bright spot. The narrower feature has a velocity close to that of the accretion disc in the impact region. I present evidence of weak spiral structure, which may support explanations for "spiral shocks " based upon 3-body effects. I apply a method of isophote fitting to search for evidence of stream-disc overflow, but fail to uncover any. I detect evidence of irradiation of the mass donor with shielding by the disc: I estimate an H/R ratio between 0.15 and 0.20. For GD 552 I present spectroscopy taken with the aim of detecting emission from the mass donor. I fail to do so at a level which allows me to rule out the presence of a near-main-sequence star donor. Given GD 552’s orbital period of 103 minutes, this suggests instead that it may be a system that has evolved through the ˜ 80-minute orbital period minimum of CVs and now has a brown dwarf mass donor. Finally, I give a first look at high-resolution data for GY Cnc whose dynamical parameters make it a near-perfect twin o
Published: 2005

21. Towards automatic quality assessment of tomograms of cataclysmic variable stars

Author: Pavlich-Mariscal, Jaime A., primary, Unda-Sanzana, Eduardo, additional, and Alfaro, Italo, additional
Published: 2011
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22. The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory

Author: Sdss, Collaboration, Albareti, Franco D., Allende Prieto, Carlos, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragon-Salamanca, Alfonso, Argudo-Fernandez, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, Bertran Lis, Sara, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Nielsen Brandt, William, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolas G., Orlando Camacho Chavez, Hugo, Cano Diaz, M., Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Edmond Cheung, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Da Costa, Luiz, Da Silva Ilha, Gabriele, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Lee, Nathan, La Macorra, Axel, La Torre, Sylvain, Deconto Machado, Alice, Delubac, Timothee, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du Mas Des Bourboux, Helion, Du, Cheng, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcon-Barroso, Jesus, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia-Hernandez, D. A., Garcia Perez, Ana E., Garcia, Rafael A., Garcia-Dias, R., Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gil Marin, Hector, Gillespie, Bruce, Girardi, Leo, Goddard, Daniel, Gomez Maqueo Chew, Yilen, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Hernandez Toledo, Hector, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Hector J., Ivans, Inese I., Ivory, Keshawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Le Goff, Jean-Marc, Leauthaud, Alexie, Li, Cheng, Li, Ran, Li, Chen, Li, Niu, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Long, Dan, Lucatello, Sara, Macdonald, Nicholas, Macleod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Antonio-Geimba Maia, Marcio, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Dullius Mallmann, Nicolas, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Martinez Valpuesta, Inma, Masters, Karen L., Mathur, Savita, Mcgreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszaros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O Connell, Julia, Oravetz, Audrey, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Barboza Rembold, Sandro, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogerio, Riffel, Rogemar A., Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodriguez-Torres, Sergio, Rodrigues, Thaise S., Roe, Natalie, Lopes, A. Roman, Roman-Zuniga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Ariel G., Sanchez, Sebastian F., Sanchez-Gallego, Jose R., Santiago, Basilio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schoenrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Silva Aguirre, Victor, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Storchi Bergmann, Thaisa, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Den Bosch, Remco, Vargas-Magana, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Univers, Transport, Interfaces, Nanostructures, Atmosphère et environnement, Molécules (UMR 6213) (UTINAM), and Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC)
Subjects: Astrophysics of Galaxies (astro-ph.GA), FOS: Physical sciences, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Astrophysics - Astrophysics of Galaxies, ComputingMilieux_MISCELLANEOUS
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in July 2014. It pursues three core programs: APOGEE-2, MaNGA, and eBOSS. In addition, eBOSS contains two major subprograms: TDSS and SPIDERS. This paper describes the first data release from SDSS-IV, Data Release 13 (DR13), which contains new data, reanalysis of existing data sets and, like all SDSS data releases, is inclusive of previously released data. DR13 makes publicly available 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA, the first data released from this survey. It includes new observations from eBOSS, completing SEQUELS. In addition to targeting galaxies and quasars, SEQUELS also targeted variability-selected objects from TDSS and X-ray selected objects from SPIDERS. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification. DR13 releases new reductions of the APOGEE-1 data from SDSS-III, with abundances of elements not previously included and improved stellar parameters for dwarf stars and cooler stars. For the SDSS imaging data, DR13 provides new, more robust and precise photometric calibrations. Several value-added catalogs are being released in tandem with DR13, in particular target catalogs relevant for eBOSS, TDSS, and SPIDERS, and an updated red-clump catalog for APOGEE. This paper describes the location and format of the data now publicly available, as well as providing references to the important technical papers that describe the targeting, observing, and data reduction. The SDSS website, http://www.sdss.org, provides links to the data, tutorials and examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6-year operations of SDSS-IV., Comment: Full information on DR13 available at http://www.sdss.org. Comments welcome to spokesperson@sdss.org. To be published in ApJS

23. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

Author: Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6 yr operations of SDSS-IV.
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24. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

Author: Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6 yr operations of SDSS-IV.
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25. Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

Author: Zang, Weicheng, Shvartzvald, Yossi, Wang, Tianshu, Udalski, Andrzej, Lee, Chung-Uk, Sumi, Takahiro, Skottfelt, Jesper, Li, Shun-Sheng, Mao, Shude, Zhu, Wei, Yee, Jennifer C., Calchi Novati, Sebastiano, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K., Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Bachelet, Etienne, Christie, Grant, Green, Jonathan, Hennerley, Steve, Maoz, Dan, Natusch, Tim, Pogge, Richard W., Street, Rachel A., Tsapras, Yiannis, Albrow, Michael D., Chung, Sun-Ju, Gould, Andrew, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Bond, Ian A., Abe, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Alex Li, Man Cheung, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Dominik, Martin, Hundertmark, Markus, Jørgensen, Uffe G., Rahvar, Sohrab, Sajadian, Sedighe, Snodgrass, Colin, Bozza, Valerio, Burgdorf, Martin J., Evans, Daniel F., Jaimes, R. Figuera, Fujii, Yuri I., Mancini, Luigi, Longa-Peña, Penelope, Helling, Christiane, Peixinho, Nuno, Rabus, Markus, Southworth, John, Unda-Sanzana, Eduardo, Essen, Carolina von, Zang, Weicheng, Shvartzvald, Yossi, Wang, Tianshu, Udalski, Andrzej, Lee, Chung-Uk, Sumi, Takahiro, Skottfelt, Jesper, Li, Shun-Sheng, Mao, Shude, Zhu, Wei, Yee, Jennifer C., Calchi Novati, Sebastiano, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K., Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Bachelet, Etienne, Christie, Grant, Green, Jonathan, Hennerley, Steve, Maoz, Dan, Natusch, Tim, Pogge, Richard W., Street, Rachel A., Tsapras, Yiannis, Albrow, Michael D., Chung, Sun-Ju, Gould, Andrew, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Bond, Ian A., Abe, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Alex Li, Man Cheung, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Dominik, Martin, Hundertmark, Markus, Jørgensen, Uffe G., Rahvar, Sohrab, Sajadian, Sedighe, Snodgrass, Colin, Bozza, Valerio, Burgdorf, Martin J., Evans, Daniel F., Jaimes, R. Figuera, Fujii, Yuri I., Mancini, Luigi, Longa-Peña, Penelope, Helling, Christiane, Peixinho, Nuno, Rabus, Markus, Southworth, John, Unda-Sanzana, Eduardo, and Essen, Carolina von
Abstract: We report the mass and distance measurements of two single-lens events from the 2017 $\textit {Spitzer}$ microlensing campaign. The ground-based observations yield the detection of finite-source effects, and the microlens parallaxes are derived from the joint analysis of ground-based observations and $\textit {Spitzer}$ observations. We find that the lens of OGLE-2017-BLG-1254 is a 0.60 ± 0.03 M ⊙ star with D LS = 0.53 ± 0.11 kpc, where D LS is the distance between the lens and the source. The second event, OGLE-2017-BLG-1161, is subject to the known satellite parallax degeneracy, and thus is either a ${0.51}_{-0.10}^{+0.12}\,{M}_{\odot }$ star with D LS = 0.40 ± 0.12 kpc or a ${0.38}_{-0.12}^{+0.13}\,{M}_{\odot }$ star with D LS = 0.53 ± 0.19 kpc. Both of the lenses are therefore isolated stars in the Galactic bulge. By comparing the mass and distance distributions of the eight published $\textit {Spitzer}$ finite-source events with the expectations from a Galactic model, we find that the $\textit {Spitzer}$ sample is in agreement with the probability of finite-source effects occurring in single-lens events.

26. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

Author: Aguado, D. S., Ahumada, Romina, Almeida, Andrés, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Ortíz, Erik Aquino, Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barboza Rembold, Sandro, Barger, Kat, Barrera-Ballesteros, Jorge, Bates, Dominic, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Blomqvist, Michael, Bolton, Adam S., Boquien, Médéric, Borissova, Jura, Bovy, Jo, Nielsen Brandt, William, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burgasser, Adam, Byler, Nell, Cano Diaz, Mariana, Cappellari, Michele, Carrera, Ricardo, Cervantes Sodi, Bernardo, Chen, Yanping, Cherinka, Brian, Doohyun Choi, Peter, Chung, Haeun, Coffey, Damien, Comerford, Julia M., Comparat, Johan, Covey, Kevin, da Silva Ilha, Gabriele, da Costa, Luiz, Sophia Dai, Yu, Damke, Guillermo, Darling, Jeremy, Davies, Roger, Dawson, Kyle, de Sainte Agathe, Victoria, Deconto Machado, Alice, Del Moro, Agnese, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Domínguez Sánchez, Helena, Donor, John, Drory, Niv, du Mas des Bourboux, Hélion, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Emsellem, Eric, Escoffier, Stephanie, Fernández-Trincado, José G., Feuillet, Diane, Fischer, Johanna-Laina, Fleming, Scott W., Fraser-McKelvie, Amelia, Freischlad, Gordon, Frinchaboy, Peter M., Fu, Hai, Galbany, Lluís, Garcia-Dias, Rafael, García-Hernández, D. A., Alberto Garma Oehmichen, Luis, Antonio Geimba Maia, Marcio, Gil-Marín, Héctor, Grabowski, Kathleen, Gu, Meng, Guo, Hong, Ha, Jaewon, Harrington, Emily, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hernandez Toledo, Hector, Hicks, Harry, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Hsieh, Bau-Ching, Hunt, Jason A. S., Seong Hwang, Ho, Ibarra-Medel, Héctor J., Eduardo Jimenez Angel, Camilo, Johnson, Jennifer, Jones, Amy, Jönsson, Henrik, Kinemuchi, Karen, Kollmeier, Juna, Krawczyk, Coleman, Kreckel, Kathryn, Kruk, Sandor, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Lee, Young-Bae, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Lin, Yen-Ting, Lintott, Chris, Long, Dan, Longa-Peña, Penélope, Ted Mackereth, J., de la Macorra, Axel, Majewski, Steven R., Malanushenko, Olena, Manchado, Arturo, Maraston, Claudia, Mariappan, Vivek, Marinelli, Mariarosa, Marques-Chaves, Rui, Masseron, Thomas, Masters, Karen L., McDermid, Richard M., Medina Peña, Nicolás, Meneses-Goytia, Sofia, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Minniti, Dante, Minsley, Rebecca, Muna, Demitri, Myers, Adam D., Nair, Preethi, Correa do Nascimento, Janaina, Newman, Jeffrey A., Nitschelm, Christian, Olmstead, Matthew D, Oravetz, Audrey, Oravetz, Daniel, Ortega Minakata, René A., Pace, Zach, Padilla, Nelson, Palicio, Pedro A., Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Peterken, Thomas, Pinsonneault, Marc H., Prakash, Abhishek, Raddick, M. Jordan, Raichoor, Anand, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, Alexandre, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Sánchez, Sebastián F., Sánchez-Gallego, José R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald P., Schultheis, Mathias, Seo, Hee-Jong, Shamsi, Shoaib J., Shao, Zhengyi, Shen, Shiyin, Shetty, Shravan, Simonian, Gregory, Smethurst, Rebecca J., Sobeck, Jennifer, Souter, Barbara J., Spindler, Ashley, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Suárez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Thomas, Daniel, Tissera, Patricia, Tojeiro, Rita, Troup, Nicholas W., Unda-Sanzana, Eduardo, Valenzuela, Octavio, Vargas-Magaña, Mariana, Antonio Vázquez-Mata, José, Wake, David, Alan Weaver, Benjamin, Weijmans, Anne-Marie, Westfall, Kyle B., Wild, Vivienne, Wilson, John, Woods, Emily, Yan, Renbin, Yang, Meng, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zheng, Zheng, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Aguado, D. S., Ahumada, Romina, Almeida, Andrés, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Ortíz, Erik Aquino, Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barboza Rembold, Sandro, Barger, Kat, Barrera-Ballesteros, Jorge, Bates, Dominic, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Blomqvist, Michael, Bolton, Adam S., Boquien, Médéric, Borissova, Jura, Bovy, Jo, Nielsen Brandt, William, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burgasser, Adam, Byler, Nell, Cano Diaz, Mariana, Cappellari, Michele, Carrera, Ricardo, Cervantes Sodi, Bernardo, Chen, Yanping, Cherinka, Brian, Doohyun Choi, Peter, Chung, Haeun, Coffey, Damien, Comerford, Julia M., Comparat, Johan, Covey, Kevin, da Silva Ilha, Gabriele, da Costa, Luiz, Sophia Dai, Yu, Damke, Guillermo, Darling, Jeremy, Davies, Roger, Dawson, Kyle, de Sainte Agathe, Victoria, Deconto Machado, Alice, Del Moro, Agnese, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Domínguez Sánchez, Helena, Donor, John, Drory, Niv, du Mas des Bourboux, Hélion, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Emsellem, Eric, Escoffier, Stephanie, Fernández-Trincado, José G., Feuillet, Diane, Fischer, Johanna-Laina, Fleming, Scott W., Fraser-McKelvie, Amelia, Freischlad, Gordon, Frinchaboy, Peter M., Fu, Hai, Galbany, Lluís, Garcia-Dias, Rafael, García-Hernández, D. A., Alberto Garma Oehmichen, Luis, Antonio Geimba Maia, Marcio, Gil-Marín, Héctor, Grabowski, Kathleen, Gu, Meng, Guo, Hong, Ha, Jaewon, Harrington, Emily, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hernandez Toledo, Hector, Hicks, Harry, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Hsieh, Bau-Ching, Hunt, Jason A. S., Seong Hwang, Ho, Ibarra-Medel, Héctor J., Eduardo Jimenez Angel, Camilo, Johnson, Jennifer, Jones, Amy, Jönsson, Henrik, Kinemuchi, Karen, Kollmeier, Juna, Krawczyk, Coleman, Kreckel, Kathryn, Kruk, Sandor, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Lee, Young-Bae, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Lin, Yen-Ting, Lintott, Chris, Long, Dan, Longa-Peña, Penélope, Ted Mackereth, J., de la Macorra, Axel, Majewski, Steven R., Malanushenko, Olena, Manchado, Arturo, Maraston, Claudia, Mariappan, Vivek, Marinelli, Mariarosa, Marques-Chaves, Rui, Masseron, Thomas, Masters, Karen L., McDermid, Richard M., Medina Peña, Nicolás, Meneses-Goytia, Sofia, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Minniti, Dante, Minsley, Rebecca, Muna, Demitri, Myers, Adam D., Nair, Preethi, Correa do Nascimento, Janaina, Newman, Jeffrey A., Nitschelm, Christian, Olmstead, Matthew D, Oravetz, Audrey, Oravetz, Daniel, Ortega Minakata, René A., Pace, Zach, Padilla, Nelson, Palicio, Pedro A., Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Peterken, Thomas, Pinsonneault, Marc H., Prakash, Abhishek, Raddick, M. Jordan, Raichoor, Anand, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, Alexandre, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Sánchez, Sebastián F., Sánchez-Gallego, José R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald P., Schultheis, Mathias, Seo, Hee-Jong, Shamsi, Shoaib J., Shao, Zhengyi, Shen, Shiyin, Shetty, Shravan, Simonian, Gregory, Smethurst, Rebecca J., Sobeck, Jennifer, Souter, Barbara J., Spindler, Ashley, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Suárez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Thomas, Daniel, Tissera, Patricia, Tojeiro, Rita, Troup, Nicholas W., Unda-Sanzana, Eduardo, Valenzuela, Octavio, Vargas-Magaña, Mariana, Antonio Vázquez-Mata, José, Wake, David, Alan Weaver, Benjamin, Weijmans, Anne-Marie, Westfall, Kyle B., Wild, Vivienne, Wilson, John, Woods, Emily, Yan, Renbin, Yang, Meng, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zheng, Zheng, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (2014 July–2017 July). This is the third data release for SDSS-IV, and the 15th from SDSS (Data Release Fifteen; DR15). New data come from MaNGA—we release 4824 data cubes, as well as the first stellar spectra in the MaNGA Stellar Library (MaStar), the first set of survey-supported analysis products (e.g., stellar and gas kinematics, emission-line and other maps) from the MaNGA Data Analysis Pipeline, and a new data visualization and access tool we call "Marvin." The next data release, DR16, will include new data from both APOGEE-2 and eBOSS; those surveys release no new data here, but we document updates and corrections to their data processing pipelines. The release is cumulative; it also includes the most recent reductions and calibrations of all data taken by SDSS since first light. In this paper, we describe the location and format of the data and tools and cite technical references describing how it was obtained and processed. The SDSS website (www.sdss.org) has also been updated, providing links to data downloads, tutorials, and examples of data use. Although SDSS-IV will continue to collect astronomical data until 2020, and will be followed by SDSS-V (2020–2025), we end this paper by describing plans to ensure the sustainability of the SDSS data archive for many years beyond the collection of data.

27. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

Author: Aguado, D. S., Ahumada, Romina, Almeida, Andrés, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Ortíz, Erik Aquino, Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barboza Rembold, Sandro, Barger, Kat, Barrera-Ballesteros, Jorge, Bates, Dominic, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Blomqvist, Michael, Bolton, Adam S., Boquien, Médéric, Borissova, Jura, Bovy, Jo, Nielsen Brandt, William, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burgasser, Adam, Byler, Nell, Cano Diaz, Mariana, Cappellari, Michele, Carrera, Ricardo, Cervantes Sodi, Bernardo, Chen, Yanping, Cherinka, Brian, Doohyun Choi, Peter, Chung, Haeun, Coffey, Damien, Comerford, Julia M., Comparat, Johan, Covey, Kevin, da Silva Ilha, Gabriele, da Costa, Luiz, Sophia Dai, Yu, Damke, Guillermo, Darling, Jeremy, Davies, Roger, Dawson, Kyle, de Sainte Agathe, Victoria, Deconto Machado, Alice, Del Moro, Agnese, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Domínguez Sánchez, Helena, Donor, John, Drory, Niv, du Mas des Bourboux, Hélion, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Emsellem, Eric, Escoffier, Stephanie, Fernández-Trincado, José G., Feuillet, Diane, Fischer, Johanna-Laina, Fleming, Scott W., Fraser-McKelvie, Amelia, Freischlad, Gordon, Frinchaboy, Peter M., Fu, Hai, Galbany, Lluís, Garcia-Dias, Rafael, García-Hernández, D. A., Alberto Garma Oehmichen, Luis, Antonio Geimba Maia, Marcio, Gil-Marín, Héctor, Grabowski, Kathleen, Gu, Meng, Guo, Hong, Ha, Jaewon, Harrington, Emily, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hernandez Toledo, Hector, Hicks, Harry, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Hsieh, Bau-Ching, Hunt, Jason A. S., Seong Hwang, Ho, Ibarra-Medel, Héctor J., Eduardo Jimenez Angel, Camilo, Johnson, Jennifer, Jones, Amy, Jönsson, Henrik, Kinemuchi, Karen, Kollmeier, Juna, Krawczyk, Coleman, Kreckel, Kathryn, Kruk, Sandor, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Lee, Young-Bae, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Lin, Yen-Ting, Lintott, Chris, Long, Dan, Longa-Peña, Penélope, Ted Mackereth, J., de la Macorra, Axel, Majewski, Steven R., Malanushenko, Olena, Manchado, Arturo, Maraston, Claudia, Mariappan, Vivek, Marinelli, Mariarosa, Marques-Chaves, Rui, Masseron, Thomas, Masters, Karen L., McDermid, Richard M., Medina Peña, Nicolás, Meneses-Goytia, Sofia, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Minniti, Dante, Minsley, Rebecca, Muna, Demitri, Myers, Adam D., Nair, Preethi, Correa do Nascimento, Janaina, Newman, Jeffrey A., Nitschelm, Christian, Olmstead, Matthew D, Oravetz, Audrey, Oravetz, Daniel, Ortega Minakata, René A., Pace, Zach, Padilla, Nelson, Palicio, Pedro A., Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Peterken, Thomas, Pinsonneault, Marc H., Prakash, Abhishek, Raddick, M. Jordan, Raichoor, Anand, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, Alexandre, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Sánchez, Sebastián F., Sánchez-Gallego, José R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald P., Schultheis, Mathias, Seo, Hee-Jong, Shamsi, Shoaib J., Shao, Zhengyi, Shen, Shiyin, Shetty, Shravan, Simonian, Gregory, Smethurst, Rebecca J., Sobeck, Jennifer, Souter, Barbara J., Spindler, Ashley, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Suárez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Thomas, Daniel, Tissera, Patricia, Tojeiro, Rita, Troup, Nicholas W., Unda-Sanzana, Eduardo, Valenzuela, Octavio, Vargas-Magaña, Mariana, Antonio Vázquez-Mata, José, Wake, David, Alan Weaver, Benjamin, Weijmans, Anne-Marie, Westfall, Kyle B., Wild, Vivienne, Wilson, John, Woods, Emily, Yan, Renbin, Yang, Meng, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zheng, Zheng, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Aguado, D. S., Ahumada, Romina, Almeida, Andrés, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Ortíz, Erik Aquino, Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Aubert, Marie, Avila-Reese, Vladimir, Badenes, Carles, Barboza Rembold, Sandro, Barger, Kat, Barrera-Ballesteros, Jorge, Bates, Dominic, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Belfiore, Francesco, Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian, Bird, Jonathan, Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael R., Blomqvist, Michael, Bolton, Adam S., Boquien, Médéric, Borissova, Jura, Bovy, Jo, Nielsen Brandt, William, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burgasser, Adam, Byler, Nell, Cano Diaz, Mariana, Cappellari, Michele, Carrera, Ricardo, Cervantes Sodi, Bernardo, Chen, Yanping, Cherinka, Brian, Doohyun Choi, Peter, Chung, Haeun, Coffey, Damien, Comerford, Julia M., Comparat, Johan, Covey, Kevin, da Silva Ilha, Gabriele, da Costa, Luiz, Sophia Dai, Yu, Damke, Guillermo, Darling, Jeremy, Davies, Roger, Dawson, Kyle, de Sainte Agathe, Victoria, Deconto Machado, Alice, Del Moro, Agnese, De Lee, Nathan, Diamond-Stanic, Aleksandar M., Domínguez Sánchez, Helena, Donor, John, Drory, Niv, du Mas des Bourboux, Hélion, Duckworth, Chris, Dwelly, Tom, Ebelke, Garrett, Emsellem, Eric, Escoffier, Stephanie, Fernández-Trincado, José G., Feuillet, Diane, Fischer, Johanna-Laina, Fleming, Scott W., Fraser-McKelvie, Amelia, Freischlad, Gordon, Frinchaboy, Peter M., Fu, Hai, Galbany, Lluís, Garcia-Dias, Rafael, García-Hernández, D. A., Alberto Garma Oehmichen, Luis, Antonio Geimba Maia, Marcio, Gil-Marín, Héctor, Grabowski, Kathleen, Gu, Meng, Guo, Hong, Ha, Jaewon, Harrington, Emily, Hasselquist, Sten, Hayes, Christian R., Hearty, Fred, Hernandez Toledo, Hector, Hicks, Harry, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Hsieh, Bau-Ching, Hunt, Jason A. S., Seong Hwang, Ho, Ibarra-Medel, Héctor J., Eduardo Jimenez Angel, Camilo, Johnson, Jennifer, Jones, Amy, Jönsson, Henrik, Kinemuchi, Karen, Kollmeier, Juna, Krawczyk, Coleman, Kreckel, Kathryn, Kruk, Sandor, Lacerna, Ivan, Lan, Ting-Wen, Lane, Richard R., Law, David R., Lee, Young-Bae, Li, Cheng, Lian, Jianhui, Lin, Lihwai, Lin, Yen-Ting, Lintott, Chris, Long, Dan, Longa-Peña, Penélope, Ted Mackereth, J., de la Macorra, Axel, Majewski, Steven R., Malanushenko, Olena, Manchado, Arturo, Maraston, Claudia, Mariappan, Vivek, Marinelli, Mariarosa, Marques-Chaves, Rui, Masseron, Thomas, Masters, Karen L., McDermid, Richard M., Medina Peña, Nicolás, Meneses-Goytia, Sofia, Merloni, Andrea, Merrifield, Michael, Meszaros, Szabolcs, Minniti, Dante, Minsley, Rebecca, Muna, Demitri, Myers, Adam D., Nair, Preethi, Correa do Nascimento, Janaina, Newman, Jeffrey A., Nitschelm, Christian, Olmstead, Matthew D, Oravetz, Audrey, Oravetz, Daniel, Ortega Minakata, René A., Pace, Zach, Padilla, Nelson, Palicio, Pedro A., Pan, Kaike, Pan, Hsi-An, Parikh, Taniya, Parker, James, Peirani, Sebastien, Penny, Samantha, Percival, Will J., Perez-Fournon, Ismael, Peterken, Thomas, Pinsonneault, Marc H., Prakash, Abhishek, Raddick, M. Jordan, Raichoor, Anand, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Roman-Lopes, Alexandre, Rose, Benjamin, Ross, Ashley J., Rossi, Graziano, Rowlands, Kate, Rubin, Kate H. R., Sánchez, Sebastián F., Sánchez-Gallego, José R., Sayres, Conor, Schaefer, Adam, Schiavon, Ricardo P., Schimoia, Jaderson S., Schlafly, Edward, Schlegel, David, Schneider, Donald P., Schultheis, Mathias, Seo, Hee-Jong, Shamsi, Shoaib J., Shao, Zhengyi, Shen, Shiyin, Shetty, Shravan, Simonian, Gregory, Smethurst, Rebecca J., Sobeck, Jennifer, Souter, Barbara J., Spindler, Ashley, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Storchi-Bergmann, Thaisa, Stringfellow, Guy S., Suárez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Talbot, Michael S., Tayar, Jamie, Thakar, Aniruddha R., Thomas, Daniel, Tissera, Patricia, Tojeiro, Rita, Troup, Nicholas W., Unda-Sanzana, Eduardo, Valenzuela, Octavio, Vargas-Magaña, Mariana, Antonio Vázquez-Mata, José, Wake, David, Alan Weaver, Benjamin, Weijmans, Anne-Marie, Westfall, Kyle B., Wild, Vivienne, Wilson, John, Woods, Emily, Yan, Renbin, Yang, Meng, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zheng, Zheng, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years of operation (2014 July–2017 July). This is the third data release for SDSS-IV, and the 15th from SDSS (Data Release Fifteen; DR15). New data come from MaNGA—we release 4824 data cubes, as well as the first stellar spectra in the MaNGA Stellar Library (MaStar), the first set of survey-supported analysis products (e.g., stellar and gas kinematics, emission-line and other maps) from the MaNGA Data Analysis Pipeline, and a new data visualization and access tool we call "Marvin." The next data release, DR16, will include new data from both APOGEE-2 and eBOSS; those surveys release no new data here, but we document updates and corrections to their data processing pipelines. The release is cumulative; it also includes the most recent reductions and calibrations of all data taken by SDSS since first light. In this paper, we describe the location and format of the data and tools and cite technical references describing how it was obtained and processed. The SDSS website (www.sdss.org) has also been updated, providing links to data downloads, tutorials, and examples of data use. Although SDSS-IV will continue to collect astronomical data until 2020, and will be followed by SDSS-V (2020–2025), we end this paper by describing plans to ensure the sustainability of the SDSS data archive for many years beyond the collection of data.

28. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

Author: Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6 yr operations of SDSS-IV.
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29. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

Author: Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6 yr operations of SDSS-IV.
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30. Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

Author: Zang, Weicheng, Shvartzvald, Yossi, Wang, Tianshu, Udalski, Andrzej, Lee, Chung-Uk, Sumi, Takahiro, Skottfelt, Jesper, Li, Shun-Sheng, Mao, Shude, Zhu, Wei, Yee, Jennifer C., Calchi Novati, Sebastiano, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K., Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Bachelet, Etienne, Christie, Grant, Green, Jonathan, Hennerley, Steve, Maoz, Dan, Natusch, Tim, Pogge, Richard W., Street, Rachel A., Tsapras, Yiannis, Albrow, Michael D., Chung, Sun-Ju, Gould, Andrew, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Bond, Ian A., Abe, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Alex Li, Man Cheung, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Dominik, Martin, Hundertmark, Markus, Jørgensen, Uffe G., Rahvar, Sohrab, Sajadian, Sedighe, Snodgrass, Colin, Bozza, Valerio, Burgdorf, Martin J., Evans, Daniel F., Jaimes, R. Figuera, Fujii, Yuri I., Mancini, Luigi, Longa-Peña, Penelope, Helling, Christiane, Peixinho, Nuno, Rabus, Markus, Southworth, John, Unda-Sanzana, Eduardo, Essen, Carolina von, Zang, Weicheng, Shvartzvald, Yossi, Wang, Tianshu, Udalski, Andrzej, Lee, Chung-Uk, Sumi, Takahiro, Skottfelt, Jesper, Li, Shun-Sheng, Mao, Shude, Zhu, Wei, Yee, Jennifer C., Calchi Novati, Sebastiano, Beichman, Charles A., Bryden, Geoffery, Carey, Sean, Gaudi, B. Scott, Henderson, Calen B., Mróz, Przemek, Skowron, Jan, Poleski, Radoslaw, Szymański, Michał K., Soszyński, Igor, Pietrukowicz, Paweł, Kozłowski, Szymon, Ulaczyk, Krzysztof, Rybicki, Krzysztof A., Iwanek, Patryk, Bachelet, Etienne, Christie, Grant, Green, Jonathan, Hennerley, Steve, Maoz, Dan, Natusch, Tim, Pogge, Richard W., Street, Rachel A., Tsapras, Yiannis, Albrow, Michael D., Chung, Sun-Ju, Gould, Andrew, Han, Cheongho, Hwang, Kyu-Ha, Jung, Youn Kil, Ryu, Yoon-Hyun, Shin, In-Gu, Cha, Sang-Mok, Kim, Dong-Jin, Kim, Hyoun-Woo, Kim, Seung-Lee, Lee, Dong-Joo, Lee, Yongseok, Park, Byeong-Gon, Bond, Ian A., Abe, Fumio, Barry, Richard, Bennett, David P., Bhattacharya, Aparna, Donachie, Martin, Fukui, Akihiko, Hirao, Yuki, Itow, Yoshitaka, Kondo, Iona, Koshimoto, Naoki, Alex Li, Man Cheung, Matsubara, Yutaka, Muraki, Yasushi, Miyazaki, Shota, Nagakane, Masayuki, Ranc, Clément, Rattenbury, Nicholas J., Suematsu, Haruno, Sullivan, Denis J., Suzuki, Daisuke, Tristram, Paul J., Yonehara, Atsunori, Dominik, Martin, Hundertmark, Markus, Jørgensen, Uffe G., Rahvar, Sohrab, Sajadian, Sedighe, Snodgrass, Colin, Bozza, Valerio, Burgdorf, Martin J., Evans, Daniel F., Jaimes, R. Figuera, Fujii, Yuri I., Mancini, Luigi, Longa-Peña, Penelope, Helling, Christiane, Peixinho, Nuno, Rabus, Markus, Southworth, John, Unda-Sanzana, Eduardo, and Essen, Carolina von
Abstract: We report the mass and distance measurements of two single-lens events from the 2017 $\textit {Spitzer}$ microlensing campaign. The ground-based observations yield the detection of finite-source effects, and the microlens parallaxes are derived from the joint analysis of ground-based observations and $\textit {Spitzer}$ observations. We find that the lens of OGLE-2017-BLG-1254 is a 0.60 ± 0.03 M ⊙ star with D LS = 0.53 ± 0.11 kpc, where D LS is the distance between the lens and the source. The second event, OGLE-2017-BLG-1161, is subject to the known satellite parallax degeneracy, and thus is either a ${0.51}_{-0.10}^{+0.12}\,{M}_{\odot }$ star with D LS = 0.40 ± 0.12 kpc or a ${0.38}_{-0.12}^{+0.13}\,{M}_{\odot }$ star with D LS = 0.53 ± 0.19 kpc. Both of the lenses are therefore isolated stars in the Galactic bulge. By comparing the mass and distance distributions of the eight published $\textit {Spitzer}$ finite-source events with the expectations from a Galactic model, we find that the $\textit {Spitzer}$ sample is in agreement with the probability of finite-source effects occurring in single-lens events.

31. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

Author: Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., Zou, Hu, Albareti, Franco D., Prieto, Carlos Allende, Almeida, Andres, Anders, Friedrich, Anderson, Scott, Andrews, Brett H., Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Barbuy, Beatriz, Barger, Kat, Barrera-Ballesteros, Jorge, Bartosz, Curtis, Basu, Sarbani, Bates, Dominic, Battaglia, Giuseppina, Baumgarten, Falk, Baur, Julien, Bautista, Julian, Beers, Timothy C., Belfiore, Francesco, Bershady, Matthew, de Lis, Sara Bertran, Bird, Jonathan C., Bizyaev, Dmitry, Blanc, Guillermo A., Blanton, Michael, Blomqvist, Michael, Bolton, Adam S., Borissova, J., Bovy, Jo, Brandt, William Nielsen, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Burtin, Etienne, Busca, Nicolás G., Chavez, Hugo Orlando Camacho, Díaz, M. Cano, Cappellari, Michele, Carrera, Ricardo, Chen, Yanping, Cherinka, Brian, Cheung, Edmond, Chiappini, Cristina, Chojnowski, Drew, Chuang, Chia-Hsun, Chung, Haeun, Cirolini, Rafael Fernando, Clerc, Nicolas, Cohen, Roger E., Comerford, Julia M., Comparat, Johan, Correa do Nascimento, Janaina, Cousinou, Marie-Claude, Covey, Kevin, Crane, Jeffrey D., Croft, Rupert, Cunha, Katia, Darling, Jeremy, Davidson, James W., Dawson, Kyle, Da Costa, Luiz, Da Silva Ilha, Gabriele, Machado, Alice Deconto, Delubac, Timothée, De Lee, Nathan, De la Macorra, Axel, De la Torre, Sylvain, Diamond-Stanic, Aleksandar M., Donor, John, Downes, Juan Jose, Drory, Niv, Du, Cheng, Du Mas des Bourboux, Hélion, Dwelly, Tom, Ebelke, Garrett, Eigenbrot, Arthur, Eisenstein, Daniel J., Elsworth, Yvonne P., Emsellem, Eric, Eracleous, Michael, Escoffier, Stephanie, Evans, Michael L., Falcón-Barroso, Jesús, Fan, Xiaohui, Favole, Ginevra, Fernandez-Alvar, Emma, Fernandez-Trincado, J. G., Feuillet, Diane, Fleming, Scott W., Font-Ribera, Andreu, Freischlad, Gordon, Frinchaboy, Peter, Fu, Hai, Gao, Yang, Garcia, Rafael A., Garcia-Dias, R., Garcia-Hernández, D. A., Pérez, Ana E. Garcia, Gaulme, Patrick, Ge, Junqiang, Geisler, Douglas, Gillespie, Bruce, Marin, Hector Gil, Girardi, Léo, Goddard, Daniel, Chew, Yilen Gomez Maqueo, Gonzalez-Perez, Violeta, Grabowski, Kathleen, Green, Paul, Grier, Catherine J., Grier, Thomas, Guo, Hong, Guy, Julien, Hagen, Alex, Hall, Matt, Harding, Paul, Harley, R. E., Hasselquist, Sten, Hawley, Suzanne, Hayes, Christian R., Hearty, Fred, Hekker, Saskia, Toledo, Hector Hernandez, Ho, Shirley, Hogg, David W., Holley-Bockelmann, Kelly, Holtzman, Jon A., Holzer, Parker H., Hu, Jian, Huber, Daniel, Hutchinson, Timothy Alan, Hwang, Ho Seong, Ibarra-Medel, Héctor J., Ivans, Inese I., Ivory, KeShawn, Jaehnig, Kurt, Jensen, Trey W., Johnson, Jennifer A., Jones, Amy, Jullo, Eric, Kallinger, T., Kinemuchi, Karen, Kirkby, David, Klaene, Mark, Kneib, Jean-Paul, Kollmeier, Juna A., Lacerna, Ivan, Lane, Richard R., Lang, Dustin, Laurent, Pierre, Law, David R., Leauthaud, Alexie, Le Goff, Jean-Marc, Li, Chen, Li, Cheng, Li, Niu, Li, Ran, Liang, Fu-Heng, Liang, Yu, Lima, Marcos, Lin, Lihwai, Lin, Lin, Lin, Yen-Ting, Liu, Chao, Long, Dan, Lucatello, Sara, MacDonald, Nicholas, MacLeod, Chelsea L., Mackereth, J. Ted, Mahadevan, Suvrath, Maia, Marcio Antonio Geimba, Maiolino, Roberto, Majewski, Steven R., Malanushenko, Olena, Malanushenko, Viktor, Mallmann, Nícolas Dullius, Manchado, Arturo, Maraston, Claudia, Marques-Chaves, Rui, Valpuesta, Inma Martinez, Masters, Karen L., Mathur, Savita, McGreer, Ian D., Merloni, Andrea, Merrifield, Michael R., Meszáros, Szabolcs, Meza, Andres, Miglio, Andrea, Minchev, Ivan, Molaverdikhani, Karan, Montero-Dorta, Antonio D., Mosser, Benoit, Muna, Demitri, Myers, Adam, Nair, Preethi, Nandra, Kirpal, Ness, Melissa, Newman, Jeffrey A., Nichol, Robert C., Nidever, David L., Nitschelm, Christian, O’Connell, Julia, Oravetz, Audrey, Oravetz, Daniel J., Pace, Zachary, Padilla, Nelson, Palanque-Delabrouille, Nathalie, Pan, Kaike, Parejko, John, Paris, Isabelle, Park, Changbom, Peacock, John A., Peirani, Sebastien, Pellejero-Ibanez, Marcos, Penny, Samantha, Percival, Will J., Percival, Jeffrey W., Perez-Fournon, Ismael, Petitjean, Patrick, Pieri, Matthew, Pinsonneault, Marc H., Pisani, Alice, Prada, Francisco, Prakash, Abhishek, Price-Jones, Natalie, Raddick, M. Jordan, Rahman, Mubdi, Raichoor, Anand, Rembold, Sandro Barboza, Reyna, A. M., Rich, James, Richstein, Hannah, Ridl, Jethro, Riffel, Rogemar A., Riffel, Rogério, Rix, Hans-Walter, Robin, Annie C., Rockosi, Constance M., Rodríguez-Torres, Sergio, Rodrigues, Thaíse S., Roe, Natalie, Lopes, A. Roman, Román-Zúñiga, Carlos, Ross, Ashley J., Rossi, Graziano, Ruan, John, Ruggeri, Rossana, Runnoe, Jessie C., Salazar-Albornoz, Salvador, Salvato, Mara, Sanchez, Sebastian F., Sanchez, Ariel G., Sanchez-Gallego, José R., Santiago, Basílio Xavier, Schiavon, Ricardo, Schimoia, Jaderson S., Schlafly, Eddie, Schlegel, David J., Schneider, Donald P., Schönrich, Ralph, Schultheis, Mathias, Schwope, Axel, Seo, Hee-Jong, Serenelli, Aldo, Sesar, Branimir, Shao, Zhengyi, Shetrone, Matthew, Shull, Michael, Aguirre, Victor Silva, Skrutskie, M. F., Slosar, Anže, Smith, Michael, Smith, Verne V., Sobeck, Jennifer, Somers, Garrett, Souto, Diogo, Stark, David V., Stassun, Keivan G., Steinmetz, Matthias, Stello, Dennis, Bergmann, Thaisa Storchi, Strauss, Michael A., Streblyanska, Alina, Stringfellow, Guy S., Suarez, Genaro, Sun, Jing, Taghizadeh-Popp, Manuchehr, Tang, Baitian, Tao, Charling, Tayar, Jamie, Tembe, Mita, Thomas, Daniel, Tinker, Jeremy, Tojeiro, Rita, Tremonti, Christy, Troup, Nicholas, Trump, Jonathan R., Unda-Sanzana, Eduardo, Valenzuela, O., Van den Bosch, Remco, Vargas-Magaña, Mariana, Vazquez, Jose Alberto, Villanova, Sandro, Vivek, M., Vogt, Nicole, Wake, David, Walterbos, Rene, Wang, Yuting, Wang, Enci, Weaver, Benjamin Alan, Weijmans, Anne-Marie, Weinberg, David H., Westfall, Kyle B., Whelan, David G., Wilcots, Eric, Wild, Vivienne, Williams, Rob A., Wilson, John, Wood-Vasey, W. M., Wylezalek, Dominika, Xiao, Ting, Yan, Renbin, Yang, Meng, Ybarra, Jason E., Yeche, Christophe, Yuan, Fang-Ting, Zakamska, Nadia, Zamora, Olga, Zasowski, Gail, Zhang, Kai, Zhao, Cheng, Zhao, Gong-Bo, Zheng, Zheng, Zhou, Zhi-Min, Zhu, Guangtun, Zinn, Joel C., and Zou, Hu
Abstract: The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ~6 yr operations of SDSS-IV.
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32. Imaging indirecto de una muestra de variables cataclismicas

Author: LONGA PEÑA, PENELOPE ALEJANDRA, UNDA SANZANA, EDUARDO ALEJANDRO, and UNIVERSIDAD CATOLICA DEL NORTE
Abstract: MAGISTER EN FISICA FONDECYT FONDECYT
Published: 2009

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32 results on '"Unda-Sanzana, Eduardo"'

1. The high optical brightness of the BlueWalker 3 satellite

2. The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data

3. The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

4. Simulations of starspot anomalies within TESS exoplanetary transit light curves -- I. The detection limits of starspot anomalies in TESS light curves

5. Population control of Mars Trojans by the Yarkovsky & YORP effects

6. Spitzer Microlensing parallax reveals two isolated stars in the Galactic bulge

7. OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

8. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library

9. The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory

10. Population control of Mars Trojans by the Yarkovsky & YORP effects

11. A spectroscopic analysis of three cataclysmic variable stars

12. Optical observations of an ultrabright constellation satellite

13. The Seventeenth Data Release of the Sloan Digital Sky Surveys : Complete Release of MaNGA, MaStar, and APOGEE-2 Data

14. The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

15. Antofagasta: Astronomy education on the shoulders of giants

16. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

17. Highlights in the Implementation of the AstroBVI Project to Increase Quality Education and Reduce Inequality in Latin America.

18. The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory

19. EduAlma

20. A spectroscopic analysis of three cataclysmic variable stars

21. Towards automatic quality assessment of tomograms of cataclysmic variable stars

22. The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory

23. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

24. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

25. Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

26. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

27. The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

28. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

29. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

30. Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

31. The 13th data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-IV survey mapping nearby galaxies at Apache Point Observatory

32. Imaging indirecto de una muestra de variables cataclismicas

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32 results on '"Unda-Sanzana, Eduardo"'

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