Author: "Krause, Oliver" - Searchworks@Jio Institute Digital Library Search Results

Your search keyword '"Krause, Oliver"' showing total 397 results

Start Over Author "Krause, Oliver"

397 results on '"Krause, Oliver"'

1. The Roman coronagraph community participation program: observation planning

Author: Wolff, Schuyler G., Wang, Jason, Stapelfeldt, Karl, Bailey, Vanessa P., Savransky, Dmitry, Hom, Justin, Biller, Beth, Brandner, Wolfgang, Anche, Ramye, Blunt, Sarah, Brinjikji, Marah, Girard, Julien H., Krause, Oliver, Li, Zhexing, Livingston, John, Millar-Blanchaer, Maxwell A., Noel, Malachi, Pueyo, Laurent, De Rosa, Robert J., Samland, Matthias, and Schragal, Nicholas
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The Coronagraphic Instrument onboard the Nancy Grace Roman Space Telescope is an important stepping stone towards the characterization of habitable, rocky exoplanets. In a technology demonstration phase conducted during the first 18 months of the mission (expected to launch in late 2026), novel starlight suppression technology may enable direct imaging of a Jupiter analog in reflected light. Here we summarize the current activities of the Observation Planning working group formed as part of the Community Participation Program. This working group is responsible for target selection and observation planning of both science and calibration targets in the technology demonstration phase of the Roman Coronagraph. We will discuss the ongoing efforts to expand target and reference catalogs, and to model astrophysical targets (exoplanets and circumstellar disks) within the Coronagraph's expected sensitivity. We will also present preparatory observations of high priority targets., Comment: Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 1309255 (2024)
Published: 2024
Full Text: View/download PDF

2. SO$_2$, silicate clouds, but no CH$_4$ detected in a warm Neptune

Author: Dyrek, Achrène, Min, Michiel, Decin, Leen, Bouwman, Jeroen, Crouzet, Nicolas, Mollière, Paul, Lagage, Pierre-Olivier, Konings, Thomas, Tremblin, Pascal, Güdel, Manuel, Pye, John, Waters, Rens, Henning, Thomas, Vandenbussche, Bart, Martinez, Francisco Ardevol, Argyriou, Ioannis, Ducrot, Elsa, Heinke, Linus, Van Looveren, Gwenael, Absil, Olivier, Barrado, David, Baudoz, Pierre, Boccaletti, Anthony, Cossou, Christophe, Coulais, Alain, Edwards, Billy, Gastaud, René, Glasse, Alistair, Glauser, Adrian, Greene, Thomas P., Kendrew, Sarah, Krause, Oliver, Lahuis, Fred, Mueller, Michael, Olofsson, Goran, Patapis, Polychronis, Rouan, Daniel, Royer, Pierre, Scheithauer, Silvia, Waldmann, Ingo, Whiteford, Niall, Colina, Luis, van Dishoeck, Ewine F., Greve, Thomas, Ostlin, Göran, Ray, Tom P., and Wright, Gillian
Subjects: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: WASP-107b is a warm ($\sim$740 K) transiting planet with a Neptune-like mass of $\sim$30.5 $M_{\oplus}$ and Jupiter-like radius of $\sim$0.94 $R_{\rm J}$, whose extended atmosphere is eroding. Previous observations showed evidence for water vapour and a thick high-altitude condensate layer in WASP-107b's atmosphere. Recently, photochemically produced sulphur dioxide (SO$_2$) was detected in the atmosphere of a hot ($\sim$1,200 K) Saturn-mass planet from transmission spectroscopy near 4.05 $\mu$m, but for temperatures below $\sim$1,000 K sulphur is predicted to preferably form sulphur allotropes instead of SO$_2$. Here we report the 9$\sigma$-detection of two fundamental vibration bands of SO$_2$, at 7.35 $\mu$m and 8.69 $\mu$m, in the transmission spectrum of WASP-107b using the Mid-Infrared Instrument (MIRI) of the JWST. This discovery establishes WASP-107b as the second irradiated exoplanet with confirmed photochemistry, extending the temperature range of exoplanets exhibiting detected photochemistry from $\sim$1,200 K down to $\sim$740 K. Additionally, our spectral analysis reveals the presence of silicate clouds, which are strongly favoured ($\sim$7$\sigma$) over simpler cloud setups. Furthermore, water is detected ($\sim$12$\sigma$), but methane is not. These findings provide evidence of disequilibrium chemistry and indicate a dynamically active atmosphere with a super-solar metallicity.
Published: 2023
Full Text: View/download PDF

3. 15NH3 in the atmosphere of a cool brown dwarf

Author: Barrado, David, Mollière, Paul, Patapis, Polychronis, Min, Michiel, Tremblin, Pascal, Martinez, Francisco Ardevol, Whiteford, Niall, Vasist, Malavika, Argyriou, Ioannis, Samland, Matthias, Lagage, Pierre-Olivier, Decin, Leen, Waters, Rens, Henning, Thomas, Morales-Calderón, María, Guedel, Manuel, Vandenbussche, Bart, Absil, Olivier, Baudoz, Pierre, Boccaletti, Anthony, Bouwman, Jeroen, Cossou, Christophe, Coulais, Alain, Crouzet, Nicolas, Gastaud, René, Glasse, Alistair, Glauser, Adrian M., Kamp, Inga, Kendrew, Sarah, Krause, Oliver, Lahuis, Fred, Mueller, Michael, Olofsson, Göran, Pye, John, Rouan, Daniel, Royer, Pierre, Scheithauer, Silvia, Waldmann, Ingo, Colina, Luis, van Dishoeck, Ewine F., Ray, Tom, Östlin, Göran, and Wright, Gillian
Subjects: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics
Abstract: Brown dwarfs serve as ideal laboratories for studying the atmospheres of giant exoplanets on wide orbits as the governing physical and chemical processes in them are nearly identical. Understanding the formation of gas giant planets is challenging, often involving the endeavour to link atmospheric abundance ratios, such as the carbon-to-oxygen (C/O) ratio, to formation scenarios. However, the complexity of planet formation requires additional tracers, as the unambiguous interpretation of the measured C/O ratio is fraught with complexity. Isotope ratios, such as deuterium-to-hydrogen and 14N/15N, offer a promising avenue to gain further insight into this formation process, mirroring their utility within the solar system. For exoplanets only a handful of constraints on 12C/13C exist, pointing to the accretion of 13C-rich ice from beyond the disks' CO iceline. Here we report on the mid-infrared detection of the 14NH3 and 15NH3 isotopologues in the atmosphere of a cool brown dwarf with an effective temperature of 380 K in a spectrum taken with the Mid-InfraRed Instrument of the James Webb Space Telescope. As expected, our results reveal a 14N/15N value consistent with star-like formation by gravitational collapse, demonstrating that this ratio can be accurately constrained. Since young stars and their planets should be more strongly enriched in the 15N isotope, we expect that 15NH3 will be detectable in a number of cold, wide-separation exoplanets., Comment: Accepted by Nature. 28 pages, 7 figures, uses nature3.cls
Published: 2023
Full Text: View/download PDF

4. The James Webb Space Telescope Mission

Author: Gardner, Jonathan P., Mather, John C., Abbott, Randy, Abell, James S., Abernathy, Mark, Abney, Faith E., Abraham, John G., Abraham, Roberto, Abul-Huda, Yasin M., Acton, Scott, Adams, Cynthia K., Adams, Evan, Adler, David S., Adriaensen, Maarten, Aguilar, Jonathan Albert, Ahmed, Mansoor, Ahmed, Nasif S., Ahmed, Tanjira, Albat, Rüdeger, Albert, Loïc, Alberts, Stacey, Aldridge, David, Allen, Mary Marsha, Allen, Shaune S., Altenburg, Martin, Altunc, Serhat, Alvarez, Jose Lorenzo, Álvarez-Márquez, Javier, de Oliveira, Catarina Alves, Ambrose, Leslie L., Anandakrishnan, Satya M., Andersen, Gregory C., Anderson, Harry James, Anderson, Jay, Anderson, Kristen, Anderson, Sara M., Aprea, Julio, Archer, Benita J., Arenberg, Jonathan W., Argyriou, Ioannis, Arribas, Santiago, Artigau, Étienne, Arvai, Amanda Rose, Atcheson, Paul, Atkinson, Charles B., Averbukh, Jesse, Aymergen, Cagatay, Bacinski, John J., Baggett, Wayne E., Bagnasco, Giorgio, Baker, Lynn L., Balzano, Vicki Ann, Banks, Kimberly A., Baran, David A., Barker, Elizabeth A., Barrett, Larry K., Barringer, Bruce O., Barto, Allison, Bast, William, Baudoz, Pierre, Baum, Stefi, Beatty, Thomas G., Beaulieu, Mathilde, Bechtold, Kathryn, Beck, Tracy, Beddard, Megan M., Beichman, Charles, Bellagama, Larry, Bely, Pierre, Berger, Timothy W., Bergeron, Louis E., Darveau-Bernier, Antoine, Bertch, Maria D., Beskow, Charlotte, Betz, Laura E., Biagetti, Carl P., Birkmann, Stephan, Bjorklund, Kurt F., Blackwood, James D., Blazek, Ronald Paul, Blossfeld, Stephen, Bluth, Marcel, Boccaletti, Anthony, Boegner Jr., Martin E., Bohlin, Ralph C., Boia, John Joseph, Böker, Torsten, Bonaventura, N., Bond, Nicholas A., Bosley, Kari Ann, Boucarut, Rene A., Bouchet, Patrice, Bouwman, Jeroen, Bower, Gary, Bowers, Ariel S., Bowers, Charles W., Boyce, Leslye A., Boyer, Christine T., Boyer, Martha L., Boyer, Michael, Boyer, Robert, Bradley, Larry D., Brady, Gregory R., Brandl, Bernhard R., Brannen, Judith L., Breda, David, Bremmer, Harold G., Brennan, David, Bresnahan, Pamela A., Bright, Stacey N., Broiles, Brian J., Bromenschenkel, Asa, Brooks, Brian H., Brooks, Keira J., Brown, Bob, Brown, Bruce, Brown, Thomas M., Bruce, Barry W., Bryson, Jonathan G., Bujanda, Edwin D., Bullock, Blake M., Bunker, A. J., Bureo, Rafael, Burt, Irving J., Bush, James Aaron, Bushouse, Howard A., Bussman, Marie C., Cabaud, Olivier, Cale, Steven, Calhoon, Charles D., Calvani, Humberto, Canipe, Alicia M., Caputo, Francis M., Cara, Mihai, Carey, Larkin, Case, Michael Eli, Cesari, Thaddeus, Cetorelli, Lee D., Chance, Don R., Chandler, Lynn, Chaney, Dave, Chapman, George N., Charlot, S., Chayer, Pierre, Cheezum, Jeffrey I., Chen, Bin, Chen, Christine H., Cherinka, Brian, Chichester, Sarah C., Chilton, Zachary S., Chittiraibalan, Dharini, Clampin, Mark, Clark, Charles R., Clark, Kerry W., Clark, Stephanie M., Claybrooks, Edward E., Cleveland, Keith A., Cohen, Andrew L., Cohen, Lester M., Colón, Knicole D., Coleman, Benee L., Colina, Luis, Comber, Brian J., Comeau, Thomas M., Comer, Thomas, Reis, Alain Conde, Connolly, Dennis C., Conroy, Kyle E., Contos, Adam R., Contreras, James, Cook, Neil J., Cooper, James L., Cooper, Rachel Aviva, Correia, Michael F., Correnti, Matteo, Cossou, Christophe, Costanza, Brian F., Coulais, Alain, Cox, Colin R., Coyle, Ray T., Cracraft, Misty M., Noriega-Crespo, Alberto, Crew, Keith A., Curtis, Gary J., Cusveller, Bianca, Maciel, Cleyciane Da Costa, Dailey, Christopher T., Daugeron, Frédéric, Davidson, Greg S., Davies, James E., Davis, Katherine Anne, Davis, Michael S., Day, Ratna, de Chambure, Daniel, de Jong, Pauline, De Marchi, Guido, Dean, Bruce H., Decker, John E., Delisa, Amy S., Dell, Lawrence C., Dellagatta, Gail, Dembinska, Franciszka, Demosthenes, Sandor, Dencheva, Nadezhda M., Deneu, Philippe, DePriest, William W., Deschenes, Jeremy, Dethienne, Nathalie, Detre, Örs Hunor, Diaz, Rosa Izela, Dicken, Daniel, DiFelice, Audrey S., Dillman, Matthew, Disharoon, Maureen O., van Dishoeck, Ewine F., Dixon, William V., Doggett, Jesse B., Dominguez, Keisha L., Donaldson, Thomas S., Doria-Warner, Cristina M., Santos, Tony Dos, Doty, Heather, Douglas Jr., Robert E., Doyon, René, Dressler, Alan, Driggers, Jennifer, Driggers, Phillip A., Dunn, Jamie L., DuPrie, Kimberly C., Dupuis, Jean, Durning, John, Dutta, Sanghamitra B., Earl, Nicholas M., Eccleston, Paul, Ecobichon, Pascal, Egami, Eiichi, Ehrenwinkler, Ralf, Eisenhamer, Jonathan D., Eisenhower, Michael, Eisenstein, Daniel J., Hamel, Zaky El, Elie, Michelle L., Elliott, James, Elliott, Kyle Wesley, Engesser, Michael, Espinoza, Néstor, Etienne, Odessa, Etxaluze, Mireya, Evans, Leah, Fabreguettes, Luce, Falcolini, Massimo, Falini, Patrick R., Fatig, Curtis, Feeney, Matthew, Feinberg, Lee D., Fels, Raymond, Ferdous, Nazma, Ferguson, Henry C., Ferrarese, Laura, Ferreira, Marie-Héléne, Ferruit, Pierre, Ferry, Malcolm, Filippazzo, Joseph Charles, Firre, Daniel, Fix, Mees, Flagey, Nicolas, Flanagan, Kathryn A., Fleming, Scott W., Florian, Michael, Flynn, James R., Foiadelli, Luca, Fontaine, Mark R., Fontanella, Erin Marie, Forshay, Peter Randolph, Fortner, Elizabeth A., Fox, Ori D., Framarini, Alexandro P., Francisco, John I., Franck, Randy, Franx, Marijn, Franz, David E., Friedman, Scott D., Friend, Katheryn E., Frost, James R., Fu, Henry, Fullerton, Alexander W., Gaillard, Lionel, Galkin, Sergey, Gallagher, Ben, Galyer, Anthony D., Marín, Macarena García, Gardner, Lisa E., Garland, Dennis, Garrett, Bruce Albert, Gasman, Danny, Gáspár, András, Gastaud, René, Gaudreau, Daniel, Gauthier, Peter Timothy, Geers, Vincent, Geithner, Paul H., Gennaro, Mario, Gerber, John, Gereau, John C., Giampaoli, Robert, Giardino, Giovanna, Gibbons, Paul C., Gilbert, Karolina, Gilman, Larry, Girard, Julien H., Giuliano, Mark E., Gkountis, Konstantinos, Glasse, Alistair, Glassmire, Kirk Zachary, Glauser, Adrian Michael, Glazer, Stuart D., Goldberg, Joshua, Golimowski, David A., Gonzaga, Shireen P., Gordon, Karl D., Gordon, Shawn J., Goudfrooij, Paul, Gough, Michael J., Graham, Adrian J., Grau, Christopher M., Green, Joel David, Greene, Gretchen R., Greene, Thomas P., Greenfield, Perry E., Greenhouse, Matthew A., Greve, Thomas R., Greville, Edgar M., Grimaldi, Stefano, Groe, Frank E., Groebner, Andrew, Grumm, David M., Grundy, Timothy, Güdel, Manuel, Guillard, Pierre, Guldalian, John, Gunn, Christopher A., Gurule, Anthony, Gutman, Irvin Meyer, Guy, Paul D., Guyot, Benjamin, Hack, Warren J., Haderlein, Peter, Hagan, James B., Hagedorn, Andria, Hainline, Kevin, Haley, Craig, Hami, Maryam, Hamilton, Forrest Clifford, Hammann, Jeffrey, Hammel, Heidi B., Hanley, Christopher J., Hansen, Carl August, Hardy, Bruce, Harnisch, Bernd, Harr, Michael Hunter, Harris, Pamela, Hart, Jessica Ann, Hartig, George F., Hasan, Hashima, Hashim, Kathleen Marie, Hashimoto, Ryan, Haskins, Sujee J., Hawkins, Robert Edward, Hayden, Brian, Hayden, William L., Healy, Mike, Hecht, Karen, Heeg, Vince J., Hejal, Reem, Helm, Kristopher A., Hengemihle, Nicholas J., Henning, Thomas, Henry, Alaina, Henry, Ronald L., Henshaw, Katherine, Hernandez, Scarlin, Herrington, Donald C., Heske, Astrid, Hesman, Brigette Emily, Hickey, David L., Hilbert, Bryan N., Hines, Dean C., Hinz, Michael R., Hirsch, Michael, Hitcho, Robert S., Hodapp, Klaus, Hodge, Philip E., Hoffman, Melissa, Holfeltz, Sherie T., Holler, Bryan Jason, Hoppa, Jennifer Rose, Horner, Scott, Howard, Joseph M., Howard, Richard J., Huber, Jean M., Hunkeler, Joseph S., Hunter, Alexander, Hunter, David Gavin, Hurd, Spencer W., Hurst, Brendan J., Hutchings, John B., Hylan, Jason E., Ignat, Luminita Ilinca, Illingworth, Garth, Irish, Sandra M., Isaacs III, John C., Jackson Jr., Wallace C., Jaffe, Daniel T., Jahic, Jasmin, Jahromi, Amir, Jakobsen, Peter, James, Bryan, James, John C., James, LeAndrea Rae, Jamieson, William Brian, Jandra, Raymond D., Jayawardhana, Ray, Jedrzejewski, Robert, Jeffers, Basil S., Jensen, Peter, Joanne, Egges, Johns, Alan T., Johnson, Carl A., Johnson, Eric L., Johnson, Patricia, Johnson, Phillip Stephen, Johnson, Thomas K., Johnson, Timothy W., Johnstone, Doug, Jollet, Delphine, Jones, Danny P., Jones, Gregory S., Jones, Olivia C., Jones, Ronald A., Jones, Vicki, Jordan, Ian J., Jordan, Margaret E., Jue, Reginald, Jurkowski, Mark H., Justis, Grant, Justtanont, Kay, Kaleida, Catherine C., Kalirai, Jason S., Kalmanson, Phillip Cabrales, Kaltenegger, Lisa, Kammerer, Jens, Kan, Samuel K., Kanarek, Graham Childs, Kao, Shaw-Hong, Karakla, Diane M., Karl, Hermann, Kassin, Susan A., Kauffman, David D., Kavanagh, Patrick, Kelley, Leigh L., Kelly, Douglas M., Kendrew, Sarah, Kennedy, Herbert V., Kenny, Deborah A., Keski-Kuha, Ritva A., Keyes, Charles D., Khan, Ali, Kidwell, Richard C., Kimble, Randy A., King, James S., King, Richard C., Kinzel, Wayne M., Kirk, Jeffrey R., Kirkpatrick, Marc E., Klaassen, Pamela, Klingemann, Lana, Klintworth, Paul U., Knapp, Bryan Adam, Knight, Scott, Knollenberg, Perry J., Knutsen, Daniel Mark, Koehler, Robert, Koekemoer, Anton M., Kofler, Earl T., Kontson, Vicki L., Kovacs, Aiden Rose, Kozhurina-Platais, Vera, Krause, Oliver, Kriss, Gerard A., Krist, John, Kristoffersen, Monica R., Krogel, Claudia, Krueger, Anthony P., Kulp, Bernard A., Kumari, Nimisha, Kwan, Sandy W., Kyprianou, Mark, Labador, Aurora Gadiano, Labiano, Álvaro, Lafrenière, David, Lagage, Pierre-Olivier, Laidler, Victoria G., Laine, Benoit, Laird, Simon, Lajoie, Charles-Philippe, Lallo, Matthew D., Lam, May Yen, LaMassa, Stephanie Marie, Lambros, Scott D., Lampenfield, Richard Joseph, Lander, Matthew Ed, Langston, James Hutton, Larson, Kirsten, Larson, Melora, LaVerghetta, Robert Joseph, Law, David R., Lawrence, Jon F., Lee, David W., Lee, Janice, Lee, Yat-Ning Paul, Leisenring, Jarron, Leveille, Michael Dunlap, Levenson, Nancy A., Levi, Joshua S., Levine, Marie B., Lewis, Dan, Lewis, Jake, Lewis, Nikole, Libralato, Mattia, Lidon, Norbert, Liebrecht, Paula Louisa, Lightsey, Paul, Lilly, Simon, Lim, Frederick C., Lim, Pey Lian, Ling, Sai-Kwong, Link, Lisa J., Link, Miranda Nicole, Lipinski, Jamie L., Liu, XiaoLi, Lo, Amy S., Lobmeyer, Lynette, Logue, Ryan M., Long, Chris A., Long, Douglas R., Long, Ilana D., Long, Knox S., López-Caniego, Marcos, Lotz, Jennifer M., Love-Pruitt, Jennifer M., Lubskiy, Michael, Luers, Edward B., Luetgens, Robert A., Luevano, Annetta J., Lui, Sarah Marie G. Flores, Lund III, James M., Lundquist, Ray A., Lunine, Jonathan, Lützgendorf, Nora, Lynch, Richard J., MacDonald, Alex J., MacDonald, Kenneth, Macias, Matthew J., Macklis, Keith I., Maghami, Peiman, Maharaja, Rishabh Y., Maiolino, Roberto, Makrygiannis, Konstantinos G., Malla, Sunita Giri, Malumuth, Eliot M., Manjavacas, Elena, Marini, Andrea, Marrione, Amanda, Marston, Anthony, Martel, André R, Martin, Didier, Martin, Peter G., Martinez, Kristin L., Maschmann, Marc, Masci, Gregory L., Masetti, Margaret E., Maszkiewicz, Michael, Matthews, Gary, Matuskey, Jacob E., McBrayer, Glen A., McCarthy, Donald W., McCaughrean, Mark J., McClare, Leslie A., McClare, Michael D., McCloskey, John C., McClurg, Taylore D., McCoy, Martin, McElwain, Michael W., McGregor, Roy D., McGuffey, Douglas B., McKay, Andrew G., McKenzie, William K., McLean, Brian, McMaster, Matthew, McNeil, Warren, De Meester, Wim, Mehalick, Kimberly L., Meixner, Margaret, Meléndez, Marcio, Menzel, Michael P., Menzel, Michael T., Merz, Matthew, Mesterharm, David D., Meyer, Michael R., Meyett, Michele L., Meza, Luis E., Midwinter, Calvin, Milam, Stefanie N., Miller, Jay Todd, Miller, William C., Miskey, Cherie L., Misselt, Karl, Mitchell, Eileen P., Mohan, Martin, Montoya, Emily E., Moran, Michael J., Morishita, Takahiro, Moro-Martín, Amaya, Morrison, Debra L., Morrison, Jane, Morse, Ernie C., Moschos, Michael, Moseley, S. H., Mosier, Gary E., Mosner, Peter, Mountain, Matt, Muckenthaler, Jason S., Mueller, Donald G., Mueller, Migo, Muhiem, Daniella, Mühlmann, Prisca, Mullally, Susan Elizabeth, Mullen, Stephanie M., Munger, Alan J, Murphy, Jess, Murray, Katherine T., Muzerolle, James C., Mycroft, Matthew, Myers, Andrew, Myers, Carey R., Myers, Fred Richard R., Myers, Richard, Myrick, Kaila, Nagle IV, Adrian F., Nayak, Omnarayani, Naylor, Bret, Neff, Susan G., Nelan, Edmund P., Nella, John, Nguyen, Duy Tuong, Nguyen, Michael N., Nickson, Bryony, Nidhiry, John Joseph, Niedner, Malcolm B., Nieto-Santisteban, Maria, Nikolov, Nikolay K., Nishisaka, Mary Ann, Nota, Antonella, O'Mara, Robyn C., Oboryshko, Michael, O'Brien, Marcus B., Ochs, William R., Offenberg, Joel D., Ogle, Patrick Michael, Ohl, Raymond G., Olmsted, Joseph Hamden, Osborne, Shannon Barbara, O'Shaughnessy, Brian Patrick, Östlin, Göran, O'Sullivan, Brian, Otor, O. Justin, Ottens, Richard, Ouellette, Nathalie N. -Q., Outlaw, Daria J., Owens, Beverly A., Pacifici, Camilla, Page, James Christophe, Paranilam, James G., Park, Sang, Parrish, Keith A., Paschal, Laura, Patapis, Polychronis, Patel, Jignasha, Patrick, Keith, Pattishall Jr., Robert A., Paul, Douglas William, Paul, Shirley J., Pauly, Tyler Andrew, Pavlovsky, Cheryl M., Peña-Guerrero, Maria, Pedder, Andrew H., Peek, Matthew Weldon, Pelham, Patricia A., Penanen, Konstantin, Perriello, Beth A., Perrin, Marshall D., Perrine, Richard F., Perrygo, Chuck, Peslier, Muriel, Petach, Michael, Peterson, Karla A., Pfarr, Tom, Pierson, James M., Pietraszkiewicz, Martin, Pilchen, Guy, Pipher, Judy L., Pirzkal, Norbert, Pitman, Joseph T., Player, Danielle M., Plesha, Rachel, Plitzke, Anja, Pohner, John A., Poletis, Karyn Konstantin, Pollizzi, Joseph A., Polster, Ethan, Pontius, James T., Pontoppidan, Klaus, Porges, Susana C., Potter, Gregg D., Prescott, Stephen, Proffitt, Charles R., Pueyo, Laurent, Neira, Irma Aracely Quispe, Radich, Armando, Rager, Reiko T., Rameau, Julien, Ramey, Deborah D., Alarcon, Rafael Ramos, Rampini, Riccardo, Rapp, Robert, Rashford, Robert A., Rauscher, Bernard J., Ravindranath, Swara, Rawle, Timothy, Rawlings, Tynika N., Ray, Tom, Regan, Michael W., Rehm, Brian, Rehm, Kenneth D., Reid, Neill, Reis, Carl A., Renk, Florian, Reoch, Tom B., Ressler, Michael, Rest, Armin W., Reynolds, Paul J., Richon, Joel G., Richon, Karen V., Ridgaway, Michael, Riedel, Adric Richard, Rieke, George H., Rieke, Marcia, Rifelli, Richard E., Rigby, Jane R., Riggs, Catherine S., Ringel, Nancy J., Ritchie, Christine E., Rix, Hans-Walter, Robberto, Massimo, Robinson, Michael S., Robinson, Orion, Rock, Frank W., Rodriguez, David R., del Pino, Bruno Rodríguez, Roellig, Thomas, Rohrbach, Scott O., Roman, Anthony J., Romelfanger, Frederick J., Romo Jr., Felipe P., Rosales, Jose J., Rose, Perry, Roteliuk, Anthony F., Roth, Marc N., Rothwell, Braden Quinn, Rouzaud, Sylvain, Rowe, Jason, Rowlands, Neil, Roy, Arpita, Royer, Pierre, Rui, Chunlei, Rumler, Peter, Rumpl, William, Russ, Melissa L., Ryan, Michael B., Ryan, Richard M., Saad, Karl, Sabata, Modhumita, Sabatino, Rick, Sabbi, Elena, Sabelhaus, Phillip A., Sabia, Stephen, Sahu, Kailash C., Saif, Babak N., Salvignol, Jean-Christophe, Samara-Ratna, Piyal, Samuelson, Bridget S., Sanders, Felicia A., Sappington, Bradley, Sargent, B. A., Sauer, Arne, Savadkin, Bruce J., Sawicki, Marcin, Schappell, Tina M., Scheffer, Caroline, Scheithauer, Silvia, Scherer, Ron, Schiff, Conrad, Schlawin, Everett, Schmeitzky, Olivier, Schmitz, Tyler S., Schmude, Donald J., Schneider, Analyn, Schreiber, Jürgen, Schroeven-Deceuninck, Hilde, Schultz, John J., Schwab, Ryan, Schwartz, Curtis H., Scoccimarro, Dario, Scott, John F., Scott, Michelle B., Seaton, Bonita L., Seely, Bruce S., Seery, Bernard, Seidleck, Mark, Sembach, Kenneth, Shanahan, Clare Elizabeth, Shaughnessy, Bryan, Shaw, Richard A., Shay, Christopher Michael, Sheehan, Even, Sheth, Kartik, Shih, Hsin-Yi, Shivaei, Irene, Siegel, Noah, Sienkiewicz, Matthew G., Simmons, Debra D., Simon, Bernard P., Sirianni, Marco, Sivaramakrishnan, Anand, Slade, Jeffrey E., Sloan, G. C., Slocum, Christine E., Slowinski, Steven E., Smith, Corbett T., Smith, Eric P., Smith, Erin C., Smith, Koby, Smith, Robert, Smith, Stephanie J., Smolik, John L., Soderblom, David R., Sohn, Sangmo Tony, Sokol, Jeff, Sonneborn, George, Sontag, Christopher D., Sooy, Peter R., Soummer, Remi, Southwood, Dana M., Spain, Kay, Sparmo, Joseph, Speer, David T., Spencer, Richard, Sprofera, Joseph D., Stallcup, Scott S., Stanley, Marcia K., Stansberry, John A., Stark, Christopher C., Starr, Carl W., Stassi, Diane Y., Steck, Jane A., Steeley, Christine D., Stephens, Matthew A., Stephenson, Ralph J., Stewart, Alphonso C., Stiavelli, Massimo, Stockman Jr., Hervey, Strada, Paolo, Straughn, Amber N., Streetman, Scott, Strickland, David Kendal, Strobele, Jingping F., Stuhlinger, Martin, Stys, Jeffrey Edward, Such, Miguel, Sukhatme, Kalyani, Sullivan, Joseph F., Sullivan, Pamela C., Sumner, Sandra M., Sun, Fengwu, Sunnquist, Benjamin Dale, Swade, Daryl Allen, Swam, Michael S., Swenton, Diane F., Swoish, Robby A., Litten, Oi In Tam, Tamas, Laszlo, Tao, Andrew, Taylor, David K., Taylor, Joanna M., Plate, Maurice te, Van Tea, Mason, Teague, Kelly K., Telfer, Randal C., Temim, Tea, Texter, Scott C., Thatte, Deepashri G., Thompson, Christopher Lee, Thompson, Linda M., Thomson, Shaun R., Thronson, Harley, Tierney, C. M., Tikkanen, Tuomo, Tinnin, Lee, Tippet, William Thomas, Todd, Connor William, Tran, Hien D., Trauger, John, Trejo, Edwin Gregorio, Truong, Justin Hoang Vinh, Tsukamoto, Christine L., Tufail, Yasir, Tumlinson, Jason, Tustain, Samuel, Tyra, Harrison, Ubeda, Leonardo, Underwood, Kelli, Uzzo, Michael A., Vaclavik, Steven, Valenduc, Frida, Valenti, Jeff A., Van Campen, Julie, van de Wetering, Inge, Van Der Marel, Roeland P., van Haarlem, Remy, Vandenbussche, Bart, Vanterpool, Dona D., Vernoy, Michael R., Costas, Maria Begoña Vila, Volk, Kevin, Voorzaat, Piet, Voyton, Mark F., Vydra, Ekaterina, Waddy, Darryl J., Waelkens, Christoffel, Wahlgren, Glenn Michael, Walker Jr., Frederick E., Wander, Michel, Warfield, Christine K., Warner, Gerald, Wasiak, Francis C., Wasiak, Matthew F., Wehner, James, Weiler, Kevin R., Weilert, Mark, Weiss, Stanley B., Wells, Martyn, Welty, Alan D., Wheate, Lauren, Wheeler, Thomas P., White, Christy L., Whitehouse, Paul, Whiteleather, Jennifer Margaret, Whitman, William Russell, Williams, Christina C., Willmer, Christopher N. A., Willott, Chris J., Willoughby, Scott P., Wilson, Andrew, Wilson, Debra, Wilson, Donna V., Windhorst, Rogier, Wislowski, Emily Christine, Wolfe, David J., Wolfe, Michael A., Wolff, Schuyler, Wondel, Amancio, Woo, Cindy, Woods, Robert T., Worden, Elaine, Workman, William, Wright, Gillian S., Wu, Carl, Wu, Chi-Rai, Wun, Dakin D., Wymer, Kristen B., Yadetie, Thomas, Yan, Isabelle C., Yang, Keith C., Yates, Kayla L., Yeager, Christopher R., Yerger, Ethan John, Young, Erick T., Young, Gary, Yu, Gene, Yu, Susan, Zak, Dean S., Zeidler, Peter, Zepp, Robert, Zhou, Julia, Zincke, Christian A., Zonak, Stephanie, and Zondag, Elisabeth
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: Twenty-six years ago a small committee report, building on earlier studies, expounded a compelling and poetic vision for the future of astronomy, calling for an infrared-optimized space telescope with an aperture of at least $4m$. With the support of their governments in the US, Europe, and Canada, 20,000 people realized that vision as the $6.5m$ James Webb Space Telescope. A generation of astronomers will celebrate their accomplishments for the life of the mission, potentially as long as 20 years, and beyond. This report and the scientific discoveries that follow are extended thank-you notes to the 20,000 team members. The telescope is working perfectly, with much better image quality than expected. In this and accompanying papers, we give a brief history, describe the observatory, outline its objectives and current observing program, and discuss the inventions and people who made it possible. We cite detailed reports on the design and the measured performance on orbit., Comment: Accepted by PASP for the special issue on The James Webb Space Telescope Overview, 29 pages, 4 figures
Published: 2023
Full Text: View/download PDF

5. SO2, silicate clouds, but no CH4 detected in a warm Neptune

Author: Dyrek, Achrène, Min, Michiel, Decin, Leen, Bouwman, Jeroen, Crouzet, Nicolas, Mollière, Paul, Lagage, Pierre-Olivier, Konings, Thomas, Tremblin, Pascal, Güdel, Manuel, Pye, John, Waters, Rens, Henning, Thomas, Vandenbussche, Bart, Ardevol Martinez, Francisco, Argyriou, Ioannis, Ducrot, Elsa, Heinke, Linus, van Looveren, Gwenael, Absil, Olivier, Barrado, David, Baudoz, Pierre, Boccaletti, Anthony, Cossou, Christophe, Coulais, Alain, Edwards, Billy, Gastaud, René, Glasse, Alistair, Glauser, Adrian, Greene, Thomas P., Kendrew, Sarah, Krause, Oliver, Lahuis, Fred, Mueller, Michael, Olofsson, Goran, Patapis, Polychronis, Rouan, Daniel, Royer, Pierre, Scheithauer, Silvia, Waldmann, Ingo, Whiteford, Niall, Colina, Luis, van Dishoeck, Ewine F., Östlin, Göran, Ray, Tom P., and Wright, Gillian
Published: 2024
Full Text: View/download PDF

6. Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability, and diversity

Author: Quanz, Sascha P, Absil, Olivier, Benz, Willy, Bonfils, Xavier, Berger, Jean-Philippe, Defrère, Denis, van Dishoeck, Ewine, Ehrenreich, David, Fortney, Jonathan, Glauser, Adrian, Grenfell, John Lee, Janson, Markus, Kraus, Stefan, Krause, Oliver, Labadie, Lucas, Lacour, Sylvestre, Line, Michael, Linz, Hendrik, Loicq, Jérôme, Miguel, Yamila, Pallé, Enric, Queloz, Didier, Rauer, Heike, Ribas, Ignasi, Rugheimer, Sarah, Selsis, Franck, Snellen, Ignas, Sozzetti, Alessandro, Stapelfeldt, Karl R, Udry, Stephane, and Wyatt, Mark
Subjects: Climate Action, Extrasolar planets, Planetary atmospheres, Direct imaging, Mid-infrared, Space interferometry, Habitability, Astronomical and Space Sciences, Astronomy & Astrophysics
Abstract: Exoplanet science is one of the most thriving fields of modern astrophysics. A major goal is the atmospheric characterization of dozens of small, terrestrial exoplanets in order to search for signatures in their atmospheres that indicate biological activity, assess their ability to provide conditions for life as we know it, and investigate their expected atmospheric diversity. None of the currently adopted projects or missions, from ground or in space, can address these goals. In this White Paper, submitted to ESA in response to the Voyage 2050 Call, we argue that a large space-based mission designed to detect and investigate thermal emission spectra of terrestrial exoplanets in the mid-infrared wavelength range provides unique scientific potential to address these goals and surpasses the capabilities of other approaches. While NASA might be focusing on large missions that aim to detect terrestrial planets in reflected light, ESA has the opportunity to take leadership and spearhead the development of a large mid-infrared exoplanet mission within the scope of the "Voyage 2050" long-term plan establishing Europe at the forefront of exoplanet science for decades to come. Given the ambitious science goals of such a mission, additional international partners might be interested in participating and contributing to a roadmap that, in the long run, leads to a successful implementation. A new, dedicated development program funded by ESA to help reduce development and implementation cost and further push some of the required key technologies would be a first important step in this direction. Ultimately, a large mid-infrared exoplanet imaging mission will be needed to help answer one of humankind's most fundamental questions: "How unique is our Earth?"
Published: 2022

7. Occulter to Earth: Prospects for studying Earth-like planets with the E-ELT and a space-based occulter

Author: Janson, Markus, Henning, Thomas, Quanz, Sascha P., Asensio-Torres, Ruben, Buchhave, Lars, Krause, Oliver, and Palle, Enric
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Abstract: Direct detection and characterization of Earth-like planets around Sun-like stars is a core task for evaluating the prevalence of habitability and life in the Universe. Here, we discuss a promising option for achieving this goal, which is based on placing an occulter in orbit and having it project its shadow onto the E- ELT at the surface of Earth, thus providing a sufficient contrast for imaging and taking spectra of Earth-like planets in the habitable zones of Sun-like stars. Doing so at a sensible fuel budget will require tailored orbits, an occulter with a high area-to-mass ratio, and appropriate instrumentation at the E-ELT. In this White Paper, submitted in response to the ESA Voyage 2050 Call, we outline the fundamental aspects of the concept, and the most important technical developments that will be required to develop a full mission., Comment: Published in special issue of Experimental Astronomy together with other White Papers submitted to ESA in 2019 in the context of the Voyage 2050 long-term planning of the Science Programme. This is the manuscript version; the published journal version is available with open access at: http://link.springer.com/article/10.1007/s10686-021-09792-y
Published: 2021
Full Text: View/download PDF

8. Bringing high spatial resolution to the Far-infrared -- A giant leap for astrophysics

Author: Linz, Hendrik, Beuther, Henrik, Gerin, Maryvonne, Goicoechea, Javier R., Helmich, Frank, Krause, Oliver, Liu, Yao, Molinari, Sergio, Ossenkopf-Okada, Volker, Pineda, Jorge, Sauvage, Marc, Schinnerer, Eva, van der Tak, Floris, and Wiedner, Martina
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Instrumentation and Detectors
Abstract: The far-infrared (FIR) regime is one of the few wavelength ranges where no astronomical data with sub-arcsecond spatial resolution exist. Neither of the medium-term satellite projects like SPICA, Millimetron nor O.S.T. will resolve this malady. For many research areas, however, information at high spatial and spectral resolution in the FIR, taken from atomic fine-structure lines, from highly excited carbon monoxide (CO), light hydrids, and especially from water lines would open the door for transformative science. A main theme will be to trace the role of water in proto-planetary disks, to observationally advance our understanding of the planet formation process and, intimately related to that, the pathways to habitable planets and the emergence of life. Furthermore, key observations will zoom into the physics and chemistry of the star-formation process in our own Galaxy, as well as in external galaxies. The FIR provides unique tools to investigate in particular the energetics of heating, cooling and shocks. The velocity-resolved data in these tracers will reveal the detailed dynamics engrained in these processes in a spatially resolved fashion, and will deliver the perfect synergy with ground-based molecular line data for the colder dense gas., Comment: White Paper, submitted to ESA in August 2019 in response to the "Voyage 2050" process; 24 pages, 12 figures, 1 table; three references updated from preprint to journal status, one reference added in comparison to the version submitted to ESA
Published: 2020

9. ESA Voyage 2050 White Paper: Detecting life outside our solar system with a large high-contrast-imaging mission

Author: Snellen, Ignas, Albrecht, Simon, Anglada-Escude, Guillem, Baraffe, Isabelle, Baudoz, Pierre, Benz, Willy, Beuzit, Jean-Luc, Biller, Beth, Birkby, Jayne, Boccaletti, Anthony, van Boekel, Roy, de Boer, Jos, Brogi, Matteo, Buchhave, Lars, Carone, Ludmila, Claire, Mark, Claudi, Riccardo, Demory, Brice-Olivier, Desert, Jean-Michel, Desidera, Silvano, Gaudi, Scott, Gratton, Raffaele, Gillon, Michael, Grenfell, John Lee, Guyon, Olivier, Henning, Thomas, Hinkley, Sasha, Huby, Elsa, Janson, Markus, Helling, Christiane, Heng, Kevin, Kasper, Markus, Keller, Christoph, Kenworthy, Matthew, Krause, Oliver, Kreidberg, Laura, Madhusudhan, Nikku, Lagrange, Anne-Marie, Launhardt, Ralf, Lenton, Tim, Lopez-Puertas, Manuel, Maire, Anne-Lise, Mayne, Nathan, Meadows, Victoria, Mennesson, Bertrand, Micela, Giuseppina, Miguel, Yamila, Milli, Julien, Min, Michiel, de Mooij, Ernst, Mouillet, David, N'Diaye, Mamadou, D'Orazi, Valentina, Palle, Enric, Pagano, Isabella, Piotto, Giampaolo, Queloz, Didier, Rauer, Heike, Ribas, Ignasi, Ruane, Garreth, Selsis, Franck, Snik, Frans, Sozzetti, Alessandro, Stam, Daphne, Stark, Christopher, Vigan, Arthur, and de Visser, Pieter
Subjects: Astrophysics - Earth and Planetary Astrophysics
Abstract: In this white paper, we recommend the European Space Agency plays a proactive role in developing a global collaborative effort to construct a large high-contrast imaging space telescope, e.g. as currently under study by NASA. Such a mission will be needed to characterize a sizable sample of temperate Earth-like planets in the habitable zones of nearby Sun-like stars and to search for extraterrestrial biological activity. We provide an overview of relevant European expertise, and advocate ESA to start a technology development program towards detecting life outside the Solar system., Comment: White paper for ESA Voyage 2050; 24 pages
Published: 2019

10. Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability & diversity

Author: Quanz, Sascha P., Absil, Olivier, Angerhausen, Daniel, Benz, Willy, Bonfils, Xavier, Berger, Jean-Philippe, Brogi, Matteo, Cabrera, Juan, Danchi, William C., Defrère, Denis, van Dishoeck, Ewine, Ehrenreich, David, Ertel, Steve, Fortney, Jonathan, Gaudi, Scott, Girard, Julien, Glauser, Adrian, Grenfell, John Lee, Ireland, Michael, Janson, Markus, Kammerer, Jens, Kitzmann, Daniel, Kraus, Stefan, Krause, Oliver, Labadie, Lucas, Lacour, Sylvestre, Lichtenberg, Tim, Line, Michael, Linz, Hendrik, Loicq, Jérôme, Mennesson, Bertrand, Meyer, Michael R., Miguel, Yamila, Monnier, John, N'Diaye, Mamadou, Pallé, Enric, Queloz, Didier, Rauer, Heike, Ribas, Ignasi, Rugheimer, Sarah, Selsis, Franck, Serabyn, Gene, Snellen, Ignas, Sozzetti, Alessandro, Stapelfeldt, Karl R., Triaud, Amaury, Udry, Stéphane, and Wyatt, Mark
Subjects: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Solar and Stellar Astrophysics
Abstract: Exoplanet science is one of the most thriving fields of modern astrophysics. A major goal is the atmospheric characterization of dozens of small, terrestrial exoplanets in order to search for signatures in their atmospheres that indicate biological activity, assess their ability to provide conditions for life as we know it, and investigate their expected atmospheric diversity. None of the currently adopted projects or missions, from ground or in space, can address these goals. In this White Paper we argue that a large space-based mission designed to detect and investigate thermal emission spectra of terrestrial exoplanets in the MIR wavelength range provides unique scientific potential to address these goals and surpasses the capabilities of other approaches. While NASA might be focusing on large missions that aim to detect terrestrial planets in reflected light, ESA has the opportunity to take leadership and spearhead the development of a large MIR exoplanet mission within the scope of the "Voyage 2050" long-term plan establishing Europe at the forefront of exoplanet science for decades to come. Given the ambitious science goals of such a mission, additional international partners might be interested in participating and contributing to a roadmap that, in the long run, leads to a successful implementation. A new, dedicated development program funded by ESA to help reduce development and implementation cost and further push some of the required key technologies would be a first important step in this direction. Ultimately, a large MIR exoplanet imaging mission will be needed to help answer one of mankind's most fundamental questions: "How unique is our Earth?", Comment: Accepted for publication in special issue of Experimental Astronomy together with other White Papers submitted to ESA in 2019 in the context of the "Voyage 2050" long-term planning of the Science Programme
Published: 2019
Full Text: View/download PDF

11. InfraRed Astronomy Satellite Swarm Interferometry (IRASSI): Overview and Study Results

Author: Linz, Hendrik, Bhatia, Divya, Buinhas, Luisa, Lezius, Matthias, Ferrer, Eloi, Förstner, Roger, Frankl, Kathrin, Philips-Blum, Mathias, Steen, Meiko, Bestmann, Ulf, Hänsel, Wolfgang, Holzwarth, Ronald, Krause, Oliver, and Pany, Thomas
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Instrumentation and Detectors, Physics - Space Physics
Abstract: The far-infrared (FIR) is one of the few wavelength ranges where no astronomical data with sub-arcsec resolution exist yet. Neither of the medium-term satellite projects like SPICA, Millimetron or OST will resolve this malady. Information at high spatial and spectral resolution in the FIR, taken from atomic fine-structure lines, highly excited CO, and especially from water lines would, however, open the door for transformative science. This calls for interferometric concepts. We present first results of our feasibility study IRASSI (Infrared Astronomy Satellite Swarm Interferometry) for a FIR space interferometer. Extending on the principal concept of the ESPRIT study, it features heterodyne interferometry within a swarm of 5 satellite elements. The satellites can drift in and out within a range of several hundred meters, thereby achieving spatial resolutions of <0.1" over the whole wavelength range of 1-6 THz. Precise knowledge on the baselines will be ensured by metrology methods employing laser-based optical frequency combs, for which preliminary ground-based tests have been designed by us. We first show how the science requirements translate into operational and design parameters. We have put much emphasis on the navigational aspects of such a free-flying satellite swarm operating in relatively close vicinity. We hence present work on the formation geometry, the relative dynamics of the swarm, and aspects of our investigation towards attitude estimation. Furthermore, we discuss issues regarding the real-time capability of the autonomous relative positioning system, which is an important aspect for IRASSI where, due to the large raw data rates expected, the interferometric correlation has to be done onboard. We also address questions regarding the spacecraft architecture and how a thermomechanical model is used to study the effect of thermal perturbations on the spacecraft. (abridged), Comment: 43 pages (preprint format), 10 figures, 6 tables; in press, to appear in Advances in Space Research, Special Issue on Space-VLBI (eds. Leonid Gurvits et al.)
Published: 2019
Full Text: View/download PDF

12. Occulter to earth: prospects for studying earth-like planets with the E-ELT and a space-based occulter

Author: Janson, Markus, Henning, Thomas, Quanz, Sascha P., Asensio-Torres, Ruben, Buchhave, Lars, Krause, Oliver, Palle, Enric, and Brandeker, Alexis
Published: 2022
Full Text: View/download PDF

13. Imaging detection of the inner dust belt and the four exoplanets in the HR 8799 system with JWST's MIRI coronagraph

Author: Boccaletti, Anthony, primary, Mâlin, Mathilde, additional, Baudoz, Pierre, additional, Tremblin, Pascal, additional, Perrot, Clément, additional, Rouan, Daniel, additional, Lagage, Pierre-Olivier, additional, Whiteford, Niall, additional, Mollière, Paul, additional, Waters, Rens, additional, Henning, Thomas, additional, Decin, Leen, additional, Güdel, Manuel, additional, Vandenbussche, Bart, additional, Absil, Olivier, additional, Argyriou, Ioannis, additional, Bouwman, Jeroen, additional, Cossou, Christophe, additional, Coulais, Alain, additional, Gastaud, René, additional, Glasse, Alistair, additional, Glauser, Adrian M., additional, Kamp, Inga, additional, Kendrew, Sarah, additional, Krause, Oliver, additional, Lahuis, Fred, additional, Mueller, Michael, additional, Olofsson, Goran, additional, Patapis, Polychronis, additional, Pye, John, additional, Royer, Pierre, additional, Serabyn, Eugene, additional, Scheithauer, Silvia, additional, Colina, Luis, additional, van Dishoeck, Ewine F., additional, Ostlin, Göran, additional, Ray, Tom P., additional, and Wright, Gillian, additional
Published: 2024
Full Text: View/download PDF

14. The Mid-Infrared Instrument for JWST, II: Design and Build

Author: Wright, G. S., Wright, David, Goodson, G. B., Rieke, G. H., Aitink-Kroes, Gabby, Amiaux, J., Aricha-Yanguas, Ana, Azzolini, Ruyman, Banks, Kimberly, Barrado-Navascues, D., Belenguer-Davila, T., Bloemmart, J. A. D. L., Bouchet, Patrice, Brandl, B. R., Colina, L., Detre, Ors, Diaz-Catala, Eva, Eccleston, Paul, Friedman, Scott D., Garcia-Marin, Macarena, Guedel, Manuel, Glasse, Alistair, Glauser, Adrian M., Greene, T. P., Groezinger, Uli, Grundy, Tim, Hastings, Peter, Henning, Th., Hofferbert, Ralph, Hunter, Faye, Jessen, N. C., Justtanont, K., Karnik, Avinash R., Khorrami, Mori A., Krause, Oliver, Labiano, Alvaro, Lagage, P. -O., Langer, Ulrich, Lemke, Dietrich, Lim, Tanya, Lorenzo-Alvarez, Jose, Mazy, Emmanuel, McGowan, Norman, Meixner, M. E., Morris, Nigel, Morrison, Jane E., Mueller, Friedrich, Norgaard-Nielson, H. -U., Olofsson, Goeran, O'Sullivan, Brian, Pel, J. -W., Penanen, Konstantin, Petach, M. B., Pye, J. P., Ray, T. P., Renotte, Etienne, Renouf, Ian, Ressler, M. E., Samara-Ratna, Piyal, Scheithauer, Silvia, Schneider, Analyn, Shaughnessy, Bryan, Stevenson, Tim, Sukhatme, Kalyani, Swinyard, Bruce, Sykes, Jon, Thatcher, John, Tikkanen, Tuomo, van Dishoeck, E. F., Waelkens, C., Walker, Helen, Wells, Martyn, and Zhender, Alex
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The Mid-InfraRed Instrument (MIRI) on the James Webb Space Telescope (JWST) provides measurements over the wavelength range 5 to 28.5 microns. MIRI has, within a single 'package', four key scientific functions: photometric imaging, coronagraphy, single-source low-spectral resolving power (R ~ 100) spectroscopy, and medium-resolving power (R ~ 1500 to 3500) integral field spectroscopy. An associated cooler system maintains MIRI at its operating temperature of < 6.7 K. This paper describes the driving principles behind the design of MIRI, the primary design parameters, and their realization in terms of the 'as-built' instrument. It also describes the test program that led to delivery of the tested and calibrated Flight Model to NASA in 2012, and the confirmation after delivery of the key interface requirements.
Published: 2015
Full Text: View/download PDF

15. The need for a multi-purpose, optical–NIR space facility after HST and JWST: The case for an ESA-led HabEx Workhorse Camera

Author: Jahnke, Knud, Krause, Oliver, Rix, Hans-Walter, Courbin, Frédéric, Fontana, Adriano, Heymans, Catherine, Martin, Nicolas, Oesch, Pascal, Taylor, Andy, Gaudi, B. Scott, Kiessling, Alina, Mennesson, Bertrand, Seager, Sara, Stern, Daniel, and Warfield, Keith
Published: 2021
Full Text: View/download PDF

16. Bringing high spatial resolution to the far-infrared: A giant leap for astrophysics

Author: Linz, Hendrik, Beuther, Henrik, Gerin, Maryvonne, Goicoechea, Javier R., Helmich, Frank, Krause, Oliver, Liu, Yao, Molinari, Sergio, Ossenkopf-Okada, Volker, Pineda, Jorge, Sauvage, Marc, Schinnerer, Eva, van der Tak, Floris, Wiedner, Martina, Amiaux, Jerome, Bhatia, Divya, Buinhas, Luisa, Durand, Gilles, Förstner, Roger, Graf, Urs, and Lezius, Matthias
Published: 2021
Full Text: View/download PDF

17. InfraRed Astronomy Satellite Swarm Interferometry (IRASSI): Overview and study results

Author: Linz, Hendrik, Bhatia, Divya, Buinhas, Luisa, Lezius, Matthias, Ferrer, Eloi, Förstner, Roger, Frankl, Kathrin, Philips-Blum, Mathias, Steen, Meiko, Bestmann, Ulf, Hänsel, Wolfgang, Holzwarth, Ronald, Krause, Oliver, and Pany, Thomas
Published: 2020
Full Text: View/download PDF

18. The extraordinary far-infrared variation of a protostar: Herschel/PACS observations of LRLL54361

Author: Balog, Zoltan, Muzerolle, James, Flaherty, Kevin, Detre, Ors H., Bouwmann, Jeroen, Furlan, Elise, Gutermuth, Rob, Juhasz, Attila, Bally, John, Nielbock, Markus, Klaas, Ulrich, Krause, Oliver, and Henning, Thomas
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: We report Herschel/PACS photometric observations at 70 {\mu}m and 160 {\mu}m of LRLL54361 - a suspected binary protostar that exhibits periodic (P=25.34 days) flux variations at shorter wavelengths (3.6 {\mu}m and 4.5 {\mu}m) thought to be due to pulsed accretion caused by binary motion. The PACS observations show unprecedented flux variation at these far-infrared wavelengths that are well cor- related with the variations at shorter wavelengths. At 70 {\mu}m the object increases its flux by a factor of six while at 160{\mu}m the change is about a factor of two, consistent with the wavelength dependence seen in the far-infrared spectra. The source is marginally resolved at 70 {\mu}m with varying FWHM. Deconvolved images of the sources show elongations exactly matching the outflow cavities traced by the scattered light observations. The spatial variations are anti-correlated with the flux variation indicating that a light echo is responsible for the changes in FWHM. The observed far-infrared flux variability indicates that the disk and en- velope of this source is periodically heated by the accretion pulses of the central source, and suggests that such long wavelength variability in general may provide a reasonable proxy for accretion variations in protostars., Comment: 20 pages, 4 figures accepted for publication in ApJ Letters
Published: 2014
Full Text: View/download PDF

19. Andromeda's Dust

Author: Draine, B. T., Aniano, G., Krause, Oliver, Groves, Brent, Sandstrom, Karin, Braun, Robert, Leroy, Adam, Klaas, Ulrich, Linz, Hendrik, Rix, Hans-Walter, Schinnerer, Eva, Schmiedeke, Anika, and Walter, Fabian
Subjects: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies
Abstract: Spitzer Space Telescope and Herschel Space Observatory imaging of M31 is used, with a physical dust model, to construct maps of dust surface density, dust-to-gas ratio, starlight heating intensity, and PAH abundance, out to R=25kpc. The global dust mass is M_d=5.4x10^7Msol, the global dust/H mass ratio is M_d/M_H=0.0081, and the global PAH abundance is =0.039. The dust surface density has an inner ring at R=5.6kpc, a maximum at R=11.2kpc, and an outer ring at R=15.1kpc. The dust/gas ratio varies from M_d/M_H=0.026 at the center to ~0.0027 at R=25kpc. From the dust/gas ratio, we estimate the ISM metallicity to vary by a factor ~10, from Z/Zsol=3 at R=0 to ~0.3 at R=25kpc. The dust heating rate parameter peaks at the center, with approx 35, declining to approx 0.25 at R=20kpc. Within the central kpc, the starlight heating intensity inferred from the dust modeling is close to what is estimated from the stars in the bulge. The PAH abundance reaches a peak q_PAH=0.045 at R=11.2kpc. When allowance is made for the different spectrum of the bulge stars, q_PAH for the dust in the central kpc is similar to the overall value of q_PAH in the disk. The silicate-graphite-PAH dust model used here is generally able to reproduce the observed dust spectral energy distribution across M31, but overpredicts 500um emission at R=2-6kpc, suggesting that at R=2-6kpc, the dust opacity varies more steeply with frequency (with beta approx 2.3 between 200 and 600um) than in the model, Comment: Final version (corrected and revised), to appear in ApJ, 780, 172 (2014 Jan 10)
Published: 2013
Full Text: View/download PDF

20. A Herschel and APEX Census of the Reddest Sources in Orion: Searching for the Youngest Protostars

Author: Stutz, Amelia M., Tobin, John J., Stanke, Thomas, Megeath, S. Thomas, Fischer, William J., Robitaille, Thomas, Henning, Thomas, Ali, Babar, di Francesco, James, Furlan, Elise, Hartmann, Lee, Osorio, Mayra, Wilson, Thomas L., Allen, Lori, Krause, Oliver, and Manoj, P.
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: We perform a census of the reddest, and potentially youngest, protostars in the Orion molecular clouds using data obtained with the PACS instrument onboard the Herschel Space Observatory and the LABOCA and SABOCA instruments on APEX as part of the Herschel Orion Protostar Survey (HOPS). A total of 55 new protostar candidates are detected at 70 um and 160 um that are either too faint (m24 > 7 mag) to be reliably classified as protostars or undetected in the Spitzer/MIPS 24 um band. We find that the 11 reddest protostar candidates with log (lambda F_lambda 70) / (lambda F_lambda 24) > 1.65 are free of contamination and can thus be reliably explained as protostars. The remaining 44 sources have less extreme 70/24 colors, fainter 70 um fluxes, and higher levels of contamination. Taking the previously known sample of Spitzer protostars and the new sample together, we find 18 sources that have log (lambda F_lambda 70) / (lambda F_lambda 24) > 1.65; we name these sources "PACS Bright Red sources", or PBRs. Our analysis reveals that the PBRs sample is composed of Class 0 like sources characterized by very red SEDs (T_bol < 45 K) and large values of sub-millimeter fluxes (L_smm/L_bol > 0.6%). Modified black-body fits to the SEDs provide lower limits to the envelope masses of 0.2 M_sun to 2 M_sun and luminosities of 0.7 L_sun to 10 L_sun. Based on these properties, and a comparison of the SEDs with radiative transfer models of protostars, we conclude that the PBRs are most likely extreme Class 0 objects distinguished by higher than typical envelope densities and hence, high mass infall rates., Comment: Accepted to Apj; 36 pages, 25 figures, 8 tables
Published: 2013
Full Text: View/download PDF

21. G048.66-0.29: Physical State of an Isolated Site of Massive Star Formation

Author: Pitann, Jan, Linz, Hendrik, Ragan, Sarah, Stutz, Amelia M., Beuther, Henrik, Henning, Thomas, Krause, Oliver, Launhardt, Ralf, Schmiedeke, Anika, Schuller, Frederic, Tackenberg, Jochen, and Vasyunina, Tatiana
Subjects: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies
Abstract: We present continuum observations of the infrared dark cloud (IRDC) G48.66-0.22 (G48) obtained with Herschel, Spitzer, and APEX, in addition to several molecular line observations. The Herschel maps are used to derive temperature and column density maps of G48 using a model based on a modified blackbody. We find that G48 has a relatively simple structure and is relatively isolated; thus this IRDC provides an excellent target to study the collapse and fragmentation of a filamentary structure in the absence of complicating factors such as strong external feedback. The derived temperature structure of G48 is clearly non-isothermal from cloud to core scale. The column density peaks are spatially coincident with the lowest temperatures (~ 17.5 K) in G48. A total cloud mass of ~390Msun is derived from the column density maps. By comparing the luminosity-to-mass ratio of 13 point sources detected in the Herschel/PACS bands to evolutionary models, we find that two cores are likely to evolve into high-mass stars (M>8 Msun). The derived mean projected separation of point sources is smaller than in other IRDCs but in good agreement with theoretical predications for cylindrical collapse. We detect several molecular species such as CO, HCO+, HCN, HNC and N2H+. CO is depleted by a factor of ~3.5 compared to the expected interstellar abundance, from which we conclude that CO freezes out in the central region. Furthermore, the molecular clumps, associated with the sub-millimeter peaks in G48, appear to be gravitationally unbound or just pressure confined. The analysis of critical line masses in G48 show that the entire filament is collapsing, overcoming any internal support., Comment: Accepted for publication in ApJ, 9 figures, 5 tables
Published: 2013
Full Text: View/download PDF

22. The Earliest Phases of Star Formation (EPoS): A Herschel Key Program - The precursors to high-mass stars and clusters

Author: Ragan, Sarah, Henning, Thomas, Krause, Oliver, Pitann, Jan, Beuther, Henrik, Linz, Hendrik, Tackenberg, Jochen, Balog, Zoltan, Hennemann, Martin, Launhardt, Ralf, Lippok, Nils, Nielbock, Markus, Schmiedeke, Anika, Schuller, Frederic, Steinacker, Juergen, Stutz, Amelia, and Vasyunina, Tatiana
Subjects: Astrophysics - Astrophysics of Galaxies
Abstract: (Abridged) We present an overview of the sample of high-mass star and cluster forming regions observed as part of the Earliest Phases of Star Formation (EPoS) Herschel Guaranteed Time Key Program. A sample of 45 infrared-dark clouds (IRDCs) were mapped at PACS 70, 100, and 160 micron and SPIRE 250, 350, and 500 micron. In this paper, we characterize a population of cores which appear in the PACS bands and place them into context with their host cloud and investigate their evolutionary stage. We construct spectral energy distributions (SEDs) of 496 cores which appear in all PACS bands, 34% of which lack counterparts at 24 micron. From single-temperature modified blackbody fits of the SEDs, we derive the temperature, luminosity, and mass of each core. These properties predominantly reflect the conditions in the cold, outer regions. Taking into account optical depth effects and performing simple radiative transfer models, we explore the origin of emission at PACS wavelengths. The core population has a median temperature of 20K and has masses and luminosities that span four to five orders of magnitude. Cores with a counterpart at 24 micron are warmer and bluer on average than cores without a 24 micron counterpart. We conclude that cores bright at 24 micron are on average more advanced in their evolution, where a central protostar(s) have heated the outer bulk of the core, than 24 micron-dark cores. The 24 micron emission itself can arise in instances where our line of sight aligns with an exposed part of the warm inner core. About 10% of the total cloud mass is found in a given cloud's core population. We uncover over 300 further candidate cores which are dark until 100 micron. These are candidate starless objects, and further observations will help us determine the nature of these very cold cores., Comment: Accepted for publication in A&A, 81 pages, 68 figures. For full resolution image gallery (Appendix B), see http://www.mpia.de/~ragan/epos.html
Published: 2012
Full Text: View/download PDF

23. The heating of dust by old stellar populations in the Bulge of M31

Author: Groves, Brent, Krause, Oliver, Sandstrom, Karin, Schmiedeke, Anika, Leroy, Adam, Linz, Hendrik, Kapala, Maria, Rix, Hans-Walter, Schinnerer, Eva, Tabatabaei, Fatemeh, Walter, Fabian, and da Cunha, Elisabete
Subjects: Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We use new Herschel multi-band imaging of the Andromeda galaxy to analyze how dust heating occurs in the central regions of galaxy spheroids that are essentially devoid of young stars. We construct a dust temperature map of M31 through fitting modified blackbody SEDs to the Herschel data, and find that the temperature within 2 kpc rises strongly from the mean value in the disk of 17 pm 1K to \sim35K at the centre. UV to near-IR imaging of the central few kpc shows directly the absence of young stellar populations, delineates the radial profile of the stellar density, and demonstrates that even the near-UV dust extinction is optically thin in M31's bulge. This allows the direct calculation of the stellar radiation heating in the bulge, U\ast(r), as a function of radius. The increasing temperature profile in the centre matches that expected from the stellar heating, i.e. that the dust heating and cooling rates track each other over nearly two orders of magnitude in U\ast. The modelled dust heating is in excess of the observed dust temperatures, suggesting that it is more than sufficient to explain the observed IR emission. Together with the wavelength dependent absorption cross section of the dust, this demonstrates directly that it is the optical, not UV, radiation that sets the heating rate. This analysis shows that neither young stellar populations nor stellar near-UV radiation are necessary to heat dust to warm temperatures in galaxy spheroids. Rather, it is the high densities of Gyr-old stellar populations that provide a sufficiently strong diffuse radiation field to heat the dust. To the extent which these results pertain to the tenuous dust found in the centres of early-type galaxies remains yet to be explored., Comment: 11 pages. Accepted for publication in MNRAS
Published: 2012
Full Text: View/download PDF

24. Probing Interstellar Dust with Infrared Echoes from the Cas A Supernova

Author: Vogt, Frédéric P. A., Besel, Marc-André, Krause, Oliver, and Dullemond, Cornelis P.
Subjects: Astrophysics - Galaxy Astrophysics
Abstract: We present the analysis of an IRS 5-38 {\mu}m spectrum and MIPS photometric measurements of an infrared echo near the Cassiopeia A supernova remnant observed with the Spitzer Space Telescope. We have modeled the recorded echo accounting for PAHs, quantum-heated carbon and silicate grains, as well as thermal carbon and silicate particles. Using the fact that optical light echo spectroscopy has established that Cas A originated from a type IIb supernova explosion showing an optical spectrum remarkably similar to the prototypical type IIb SN 1993J, we use the latter to construct template data input for our simulations. We are then able to reproduce the recorded infrared echo spectrum by combining the emission of dust heated by the UV burst produced at the shock breakout after the core-collapse and dust heated by optical light emitted near the visual maximum of the supernova light curve, where the UV burst and optical light curve characteristics are based on SN 1993J. We find a mean density of \sim680 H cm^{-3} for the echo region, with a size of a few light years across. We also find evidence of dust processing in the form of a lack of small PAHs with less than \sim300 carbon atoms, consistent with a scenario of PAHs destruction by the UV burst via photodissociation at the estimated distance of the echo region from Cas A. Furthermore, our simulations suggest that the weak 11 {\mu}m features of our recorded infrared echo spectrum are consistent with a strong dehydrogenated state of the PAHs. This exploratory study highlights the potential of investigating dust processing in the interstellar medium through infrared echoes., Comment: 16 pages, 14 figures, accepted for publication in the Astrophysical Journal
Published: 2012
Full Text: View/download PDF

25. Thirty years of SN 1980K: Evidence for light echoes

Author: Sugerman, Ben E. K., Andrews, Jennifer E., Barlow, Michael J., Clayton, Geoffrey C., Ercolano, Barbara, Ghavamian, Parviz, Kennicutt Jr., Robert C., Krause, Oliver, Meixner, Margaret, and Otsuka, Masaaki
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: We report optical and mid-infrared photometry of SN 1980K between 2004 and 2010, which show slow monotonic fading consistent with previous spectroscopic and photometric observations made 8 to 17 years after outburst. The slow rate-of-change over two decades suggests that this evolution may result from scattered and thermal light echoes off of extended circumstellar material. We present a semi- analytic dust radiative-transfer model that uses an empirically corrected effective optical depth to provide a fast and robust alternative to full Monte-Carlo radiative transfer modeling for homogenous dust at low to intermediate optical depths. We find that unresolved echoes from a thin circumstellar shell 14-15 lt-yr from the progenitor, and containing about 0.02 Msun of carbon-rich dust, can explain the broadband spectral and temporal evolution. The size, mass and dust composition are in good agreement with the contact discontinuity observed in scattered echoes around SN 1987A. The origin of slowly-changing high-velocity [O I] and Halpha lines is also considered. We propose an origin in shocked high-velocity metal-rich clumps of ejecta, rather than arising in the impact of ejecta on slowly-moving circumstellar material, as is the case with hot spots in SN 1987A., Comment: Accepted 2/14/12 to be published in ApJ. 15 pages, 10 figures
Published: 2012
Full Text: View/download PDF

26. The Large Interferometer For Exoplanets (LIFE): a space mission for mid-infrared nulling interferometry

Author: Kammerer, Jens, Sallum, Stephanie, Sanchez-Bermudez, Joel, Glauser, Adrian M., Quanz, Sascha P., Hansen, Jonah, Dannert, Felix, Ireland, Michael, Linz, Hendrik, Absil, Olivier, Alei, Eleonora, Angerhausen, Daniel, Birbacher, Thomas, Defrère, Denis, Fortier, Andrea, Huber, Philipp A., Kammerer, Jens, Laugier, Romain, Lichtenberg, Tim, Noack, Lena, Ranganathan, Mohanakrishna, Rugheimer, Sarah, Airapetian, Vladimir, Alibert, Yann, Amado, Pedro J., Anger, Marius, Anugu, Narsireddy, Aragon, Max, Armstrong, David J., Balbi, Amedeo, Balsalobre-Ruza, Olga, Banik, Deepayan, Beck, Mathias, Bhattarai, Surendra, Biren, Jonas, Bottoni, Jacopo, Braam, Marrick, Brandeker, Alexis, Buchhave, Lars A., Caballero, José A., Cabrera, Juan, Carone, Ludmila, Carrión-González, Óscar, Castro-González, Amadeo, Chan, Kenny, Coelho, Ligia F., Constantinou, Tereza, Cowan, Nicolas, Danchi, William, Dandumont, Colin, Davoult, Jeanne, Dawn, Arjun, de Vera, Jean-Pierre P., de Visser, Pieter J., Dorn, Caroline, Duque Lara, Juan A., Elowitz, Mark, Ertel, Steve, Fang, Yuedong, Felix, Simon, Fortney, Jonathan, Fridlund, Malcolm, García Muñoz, Antonio, Gillmann, Cedric, Golabek, Gregor, Grenfell, John Lee, Guidi, Greta, Guilera, Octavio, Hagelberg, Janis, Hansen, Janina, Haqq-Misra, Jacob, Hara, Nathan, Helled, Ravit, Herbst, Konstantin, Hernitschek, Nina, Hinkley, Sasha, Ito, Takahiro, Itoh, Satoshi, Ivanovski, Stavro, Janson, Markus, Johansen, Anders, Jones, Hugh, Kane, Stephen, Kitzmann, Daniel, Kovacevic, Andjelka B., Kraus, Stefan, Krause, Oliver, Kruijssen, J. M. Diederik, Kuiper, Rolf, Kuriakose, Alen, Labadie, Lucas, Lacour, Sylvestre, Lanza, Antonino F., Leedjärv, Laurits, Lendl, Monika, Leung, Michaela, Lillo-Box, Jorge, Loicq, Jérôme, Luque, Rafael, Mahadevan, Suvrath, Majumdar, Liton, Malbet, Fabien, Mallia, Franco, Mathew, Joice, Matsuo, Taro, Matthews, Elisabeth, Meadows, Victoria, Mennesson, Bertrand, Meyer, Michael R., Molaverdikhani, Karan, Mollière, Paul, Monnier, John, Navarro, Ramon, Nsamba, Benard, Oguri, Kenshiro, Oza, Apurva, Palle, Enric, Persson, Carina, Pitman, Joe, Plávalová, Eva, Pozuelos, Francisco J., Quirrenbach, Andreas, Ramirez, Ramses, Reiners, Ansgar, Ribas, Ignasi, Rice, Malena, Ricketti, Berke Vow, Roelfsema, Peter, Romagnolo, Amedeo, Ronco, María Paula, Schlecker, Martin, Schonhut-Stasik, Jessica, Schwieterman, Edward, Sefilian, Antranik A., Serabyn, Eugene, Shahi, Chinmay, Sharma, Siddhant, Silva, Laura, Singh, Swapnil, Sneed, Evan L., Spencer, Locke, Squicciarini, Vito, Staguhn, Johannes, Stapelfeldt, Karl, Stassun, Keivan, Tamura, Motohide, Taysum, Benjamin, van der Tak, Floris, van Kempen, Tim A., Vasisht, Gautam, Wang, Haiyang S., Wordsworth, Robin, and Wyatt, Mark
Published: 2024
Full Text: View/download PDF

27. The Nancy Grace Roman Space Telescope coronagraph community participation program

Author: Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Savransky, Dmitry, Bailey, Vanessa P., Wolff, Schuyler G., Millar-Blanchaer, Maxwell A., Wang, Jason, Altinier, Lisa, Anche, Ramya, Baudoz, Pierre, Biller, Beth, Blunt, Sarah, Brandner, Wolfgang, Brinjikji, Marah, Carrión-González, Oscar, Chavez, Amanda, Choquet, Elodie, Doelman, David, Girard, Julien H., Greenbaum, Alexandra Z., Hasler, Samantha N., Hom, Justin, Ingalls, James G., Kane, Stephen R., Kasdin, N. Jeremy, Krause, Oliver, Kuzuhara, Masayuki, Lau, Alexis, Li, Zhexing, Livingston, John, Lowrance, Patrick J., Ludwick, Kevin, Macintosh, Bruce, Mamajek, Eric, Marley, Mark, Mazoyer, Johan, Mennesson, Bertrand, Mizuki, Toshiyuki, Moran, Sarah E., Murakami, Naoshi, Nishikawa, Jun, Noel, Malachi, Pueyo, Laurent, Hildebrandt Rafels, Sergi, Rhodes, Jason, Robinson, Tyler, De Rosa, Robert J., Samland, Matthias, Schragal, Nicholas, Schreiber, Jürgen, Sobeck, Jennifer, Stapelfeldt, Karl, Tamura, Motohide, Uyajma, Taichi, Vigan, Arthur, Woodland, Michele, Ygouf, Marie, Yoneta, Kenta, Zellem, Robert T., and Zimmerman, Neil T.
Published: 2024
Full Text: View/download PDF

28. Infrared spectroscopy of intermediate mass young stellar objects

Author: Pitann, Jan, Hennemann, Martin, Birkmann, Stephan, Bouwman, Jeroen, Krause, Oliver, and Henning, Thomas
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: In this paper we present Spitzer Infrared Spectrograph spectroscopy for 14 intermediate-mass young stellar objects. We use Spitzer spectroscopy to investigate the physical properties of these sources and their environments. Our sample can be divided into two types of objects: young isolated, embedded objects with spectra that are dominated by ice and silicate absorption bands, and more evolved objects that are dominated by extended emission from polycyclic aromatic hydrocarbons (PAHs) and pure H2 rotational lines. We are able to constrain the illuminating FUV fields by classifying the PAH bands below 9micron. For most of the sources we are able to detect several atomic fine structure lines. In particular, the [NeII] line appearing in two regions could originate from unresolved photodissociation regions (PDRs) or J-shocks. We relate the identified spectral features to observations obtained from NIR through submillimeter imaging. The spatial extent of several H2 and PAH bands is matched with morphologies identified in previous Spitzer/IRAC observations. This also allows us to distinguish between the different H2 excitation mechanisms. In addition, we calculate the optical extinction from the silicate bands and use this to constrain the spectral energy distribution fit, allowing us to estimate the masses of these YSOs., Comment: 21 pages, 26 figures, accepted to ApJ
Published: 2011
Full Text: View/download PDF

29. The Emission by Dust and Stars of Nearby Galaxies in the Herschel KINGFISH Survey

Author: Skibba, Ramin A., Engelbracht, Charles W., Dale, Daniel, Hinz, Joannah, Zibetti, Stefano, Crocker, Alison, Groves, Brent, Hunt, Leslie, Johnson, Benjamin D., Meidt, Sharon, Murphy, Eric J., Appleton, Philip, Armus, Lee, Bolatto, Alberto, Brandl, Bernhard, Calzetti, Daniela, Croxall, Kevin, Galametz, Maud, Gordon, Karl D., Kennicutt, Robert C., Koda, Jin, Krause, Oliver, Montiel, Edward, Rix, Hans-Walter, Roussel, Helene, Sandstrom, Karin, Sauvage, Marc, Schinnerer, Eva, Smith, J. D., Walter, Fabian, Wilson, Christine D., and Wolfire, Mark
Subjects: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies
Abstract: Using new far-infrared imaging from the Herschel Space Observatory with ancillary data from ultraviolet to submillimeter wavelengths, we estimate the total emission from dust and stars of 62 nearby galaxies in the KINGFISH survey in a way that is as empirical and model-independent as possible. We collect and exploit these data in order to measure from the spectral energy distributions (SEDs) precisely how much stellar radiation is intercepted and re-radiated by dust, and how this quantity varies with galaxy properties. By including SPIRE data, we are more sensitive to emission from cold dust grains than previous analyses at shorter wavelengths, allowing for more accurate estimates of dust temperatures and masses. The dust/stellar flux ratio, which we measure by integrating the SEDs, has a range of nearly three decades. The inclusion of SPIRE data shows that estimates based on data not reaching these far-IR wavelengths are biased low. We find that the dust/stellar flux ratio varies with morphology and total IR luminosity. We also find that dust/stellar flux ratios are related to gas-phase metallicity, while the dust/stellar mass ratios are less so. The substantial scatter between dust/stellar flux and dust/stellar mass indicates that the former is a poor proxy of the latter. Comparing the dust/stellar flux ratios and dust temperatures, we show that early-types tend to have slightly warmer temperatures than spiral galaxies, which may be due to more intense interstellar radiation fields, or to different dust grain compositions. Finally, we show that early-types and early-type spirals have a strong correlation between the dust/stellar flux ratio and specific star formation rate, which suggests that the relatively bright far-IR emission of some of these galaxies is due to ongoing star formation and the radiation field from older stars., Comment: 19 pages, 12 figures; published in ApJ
Published: 2011
Full Text: View/download PDF

30. Tracing the sites of obscured star formation in the Antennae galaxies with Herschel-PACS

Author: Klaas, Ulrich, Nielbock, Markus, Haas, Martin, Krause, Oliver, and Schreiber, Jürgen
Subjects: Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: FIR imaging of interacting galaxies allows locating even hidden sites of star formation and measuring of the relative strength of nuclear and extra-nuclear star formation. We want to resolve the star-forming sites in the nearby system of the Antennae. Thanks to the unprecedented sharpness and depth of the PACS camera onboard ESA's Herschel Space Observatory, it is possible for the first time to achieve a complete assessment of individual star-forming knots in the FIR with scan maps at 70, 100, and 160 um. We used clump extraction photometry and SED diagnostics to derive the properties related to star-forming activity. The PACS 70, 100, and 160 um maps trace the knotty structure of the most recent star formation along an arc between the two nuclei in the overlap area. The resolution of the starburst knots and additional multi-wavelength data allow their individual star formation history and state to be analysed. In particular, the brightest knot in the mid-infrared (K1), east of the southern nucleus, exhibits the highest activity by far in terms of dust heating and star formation rate, efficiency, and density. With only 2 kpc in diameter, this area has a 10-1000 um luminosity, which is as high as that of our Milky Way. It shows the highest deficiency in radio emission in the radio-to-FIR luminosity ratio and a lack of X-ray emission, classifying it as a very young complex. The brightest 100 and 160 um emission region (K2), which is close to the collision front and consists of 3 knots, also shows a high star formation density and efficiency and lack of X-ray emission in its most obscured part, but an excess in the radio-to-FIR luminosity ratio. This suggests a young stage, too, but different conditions in its interstellar medium. Our results provide important checkpoints for numerical simulations of interacting galaxies when modelling the star formation and stellar feedback., Comment: 4 pages, 4 figures, 2 tables (A&A Herschel special issue)
Published: 2010
Full Text: View/download PDF

31. The seeds of star formation in the filamentary infrared-dark cloud G011.11-0.12

Author: Henning, Thomas, Linz, Hendrik, Krause, Oliver, Ragan, Sarah, Beuther, Henrik, Launhardt, Ralf, Nielbock, Markus, and Vasyunina, Tatiana
Subjects: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics
Abstract: Infrared-dark clouds (IRDCs) are the precursors to massive stars and stellar clusters. G011.11-0.12 is a well-studied filamentary IRDC, though, to date, the absence of far-infrared data with sufficient spatial resolution has limited the understanding of the structure and star-formation activity. We use Herschel to study the embedded population of young pre- and protostellar cores in this IRDC. We examine the cloud structure, which appears in absorption at short wavelength and in emission at longer wavelength. We derive the properties of the massive cores from the spectral energy distributions of bright far-infrared point sources detected with the PACS instrument aboard Herschel. We report on the detection and characterization of pre- and protostellar cores in a massive filamentary infrared-dark cloud G011.11-0.12 using PACS. We characterize 18 cores directly associated with the filament, two of which have masses over 50 Msun, making them the best candidates to become massive stars in G011.11-0.12. These cores are likely at various stages of protostar formation, showing elevated temperature ( ~ 22 K) with respect to the ambient gas reservoir. The core masses ( ~ 24 Msun) are small compared to that in the cold filament. The mean core separation is 0.9 pc, well in excess of the Jeans length in the filament. We confirm that star formation in IRDCs is underway and diverse, and IRDCs have the capability of forming massive stars and clusters., Comment: Accepted for publication in the Herschel special issue of Astronomy & Astrophysics
Published: 2010
Full Text: View/download PDF

32. A large, massive, rotating disk around an isolated young stellar object

Author: Quanz, Sascha P., Beuther, Henrik, Steinacker, Juergen, Linz, Hendrik, Birkmann, Stephan M., Krause, Oliver, Henning, Thomas, and Zhang, Qizhou
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: We present multi-wavelengths observations and a radiative transfer model of a newly discovered massive circumstellar disk of gas and dust which is one of the largest disks known today. Seen almost edge-on, the disk is resolved in high-resolution near-infrared (NIR) images and appears as a dark lane of high opacity intersecting a bipolar reflection nebula. Based on molecular line observations we estimate the distance to the object to be 3.5 kpc. This leads to a size for the dark lane of ~10500 AU but due to shadowing effects the true disk size could be smaller. In Spitzer/IRAC 3.6 micron images the elongated shape of the bipolar reflection nebula is still preserved and the bulk of the flux seems to come from disk regions that can be detected due to the slight inclination of the disk. At longer IRAC wavelengths, the flux is mainly coming from the central regions penetrating directly through the dust lane. Interferometric observations of the dust continuum emission at millimeter wavelengths with the SMA confirm this finding as the peak of the unresolved mm-emission coincides perfectly with the peak of the Spitzer/IRAC 5.8 micron flux and the center of the dark lane seen in the NIR images. Simultaneously acquired CO data reveal a molecular outflow along the northern part of the reflection nebula which seems to be the outflow cavity. An elongated gaseous disk component is also detected and shows signs of rotation. The emission is perpendicular to the molecular outflow and thus parallel to but even more extended than the dark lane in the NIR images. Based on the dust continuum and the CO observations we estimate a disk mass of up to a few solar masses depending on the underlying assumptions. Whether the disk-like structure is an actual accretion disk or rather a larger-scale flattened envelope or pseudodisk is difficult to discriminate with the current dataset (abridged)., Comment: Accepted for publication in ApJ, 29 pages preprint style incl. 10 Figures
Published: 2010
Full Text: View/download PDF

33. Formation and Evolution of Dust in Type IIb Supernova with Application to the Cassiopeia A Supernova Remnant

Author: Nozawa, Takaya, Kozasa, Takashi, Tominaga, Nozomu, Maeda, Keiichi, Umeda, Hideyuki, Nomoto, Ken'ichi, and Krause, Oliver
Subjects: Astrophysics - Solar and Stellar Astrophysics
Abstract: We investigate the formation of dust grains in the ejecta of a SN IIb and their evolution in the shocked gas in the SNR by considering the uniform and power-law density structures for the CSM. Based on these calculations, we also simulate the time evolution of thermal emission from the shock-heated dust in the SNR and compare the results with the observations of Cas A SNR. We find that the total mass of dust formed in the SN IIb is as large as 0.167 M_sun but the average radius of dust is smaller than 0.01 mum and is significantly different from those in SNe II-P with the massive H-envelope. In the explosion with the small-mass H-envelope, the expanding He core undergoes little deceleration, so that the gas density in the He core is too low for large-sized grains to form. In addition, the low-mass H-envelope of the SN IIb leads to the early arrival of the reverse shock at the dust-forming region. If the CSM is more or less spherical, therefore, the newly formed grains would be completely destroyed in the relatively dense shocked gas for the CSM density of n_H > 0.1 cm^{-3}. However, the actual CSM is likely to be non-spherical, so that a part of grains could be ejected into the ISM without being shocked. We demonstrate that the time evolution of the SED by thermal dust emission is sensitive to the ambient gas density and structure that affects the passage of the reverse shock into the ejecta. Thus, the SED evolution well reflects the evolution of dust through erosion by sputtering and stochastic heating. For Cas A, we consider the CSM produced by the steady mass loss of ~8x10^{-5} M_sun/yr during the supergiant phase. Then we find the infrared SED of Cas A is reasonably reproduced by thermal emission from the newly formed dust of 0.08 M_sun, which consists of 0.008 M_sun shocked warm dust and 0.072 M_sun unshocked cold dust., Comment: 50 pages, 17 figures, 3 tables. Accepted for publication in ApJ
Published: 2009
Full Text: View/download PDF

34. Combined analysis of the 12.8 and 15 microns JWST/MIRI eclipse observations of TRAPPIST-1 b

Author: Ducrot, Elsa, primary, Lagage, Pierre-Olivier, additional, Min, Michiel, additional, Gillon, Michael, additional, Bell, Taylor, additional, Tremblin, Pascal, additional, Greene, Thomas, additional, Dyrek, Achrène, additional, Waters, Rens, additional, Güdel, Manuel, additional, Henning, Thomas, additional, Vandenbussche, Bart, additional, Absil, Olivier, additional, Barrado, David, additional, Boccaletti, Anthony, additional, Coulais, Alain, additional, Decin, Leen, additional, Edwards, Billy, additional, Gastaud, René, additional, Bouwman, Jeroen, additional, Glasse, Alistair, additional, Kendrew, Sarah, additional, Olofsson, Göran, additional, Patapis, Polychronis, additional, Pye, John, additional, Rouan, Daniel, additional, Whiteford, Niall, additional, Argyriou, Ioannis, additional, Cossou, Christophe, additional, Glauser, Adrian, additional, Krause, Oliver, additional, Lahuis, Fred, additional, Royer, Pierre, additional, Scheithauer, Silvia, additional, Colina, Luis, additional, Dishoeck, Ewine van, additional, Östlin, Göran, additional, Ray, Thomas, additional, and Wright, Gillian, additional
Published: 2023
Full Text: View/download PDF

35. SO2, silicate clouds, but no CH4 detected in a warm Neptune

Author: Dyrek, Achrène, primary, Min, Michiel, additional, Decin, Leen, additional, Bouwman, Jeroen, additional, Crouzet, Nicolas, additional, Mollière, Paul, additional, Lagage, Pierre-Olivier, additional, Konings, Thomas, additional, Tremblin, Pascal, additional, Güdel, Manuel, additional, Pye, John, additional, Waters, Rens, additional, Henning, Thomas, additional, Vandenbussche, Bart, additional, Ardevol Martinez, Francisco, additional, Argyriou, Ioannis, additional, Ducrot, Elsa, additional, Heinke, Linus, additional, Van Looveren, Gwenael, additional, Absil, Olivier, additional, Barrado, David, additional, Baudoz, Pierre, additional, Boccaletti, Anthony, additional, Cossou, Christophe, additional, Coulais, Alain, additional, Edwards, Billy, additional, Gastaud, René, additional, Glasse, Alistair, additional, Glauser, Adrian, additional, Greene, Thomas P., additional, Kendrew, Sarah, additional, Krause, Oliver, additional, Lahuis, Fred, additional, Mueller, Michael, additional, Olofsson, Goran, additional, Patapis, Polychronis, additional, Rouan, Daniel, additional, Royer, Pierre, additional, Scheithauer, Silvia, additional, Waldmann, Ingo, additional, Whiteford, Niall, additional, Colina, Luis, additional, van Dishoeck, Ewine F., additional, Ostlin, Göran, additional, Ray, Tom P., additional, and Wright, Gillian, additional
Published: 2023
Full Text: View/download PDF

36. 15NH3 in the atmosphere of a cool brown dwarf

Author: Barrado, David, primary, Mollière, Paul, additional, Patapis, Polychronis, additional, Min, Michiel, additional, Tremblin, Pascal, additional, Ardevol Martinez, Francisco, additional, Whiteford, Niall, additional, Vasist, Malavika, additional, Argyriou, Ioannis, additional, Samland, Matthias, additional, Lagage, Pierre-Olivier, additional, Decin, Leen, additional, Waters, Rens, additional, Henning, Thomas, additional, Morales-Calderón, María, additional, Guedel, Manuel, additional, Vandenbussche, Bart, additional, Absil, Olivier, additional, Baudoz, Pierre, additional, Boccaletti, Anthony, additional, Bouwman, Jeroen, additional, Cossou, Christophe, additional, Coulais, Alain, additional, Crouzet, Nicolas, additional, Gastaud, René, additional, Glasse, Alistair, additional, Glauser, Adrian M., additional, Kamp, Inga, additional, Kendrew, Sarah, additional, Krause, Oliver, additional, Lahuis, Fred, additional, Mueller, Michael, additional, Olofsson, Göran, additional, Pye, John, additional, Rouan, Daniel, additional, Royer, Pierre, additional, Scheithauer, Silvia, additional, Waldmann, Ingo, additional, Colina, Luis, additional, van Dishoeck, Ewine F., additional, Ray, Tom, additional, Östlin, Göran, additional, and Wright, Gillian, additional
Published: 2023
Full Text: View/download PDF

37. Star-forming cores embedded in a massive cold clump: Fragmentation, collapse and energetic outflows

Author: Hennemann, Martin, Birkmann, Stephan M., Krause, Oliver, Lemke, Dietrich, Pavlyuchenkov, Yaroslav, More, Surhud, and Henning, Thomas
Subjects: Astrophysics
Abstract: The fate of massive cold clumps, their internal structure and collapse need to be characterised to understand the initial conditions for the formation of high-mass stars, stellar systems, and the origin of associations and clusters. We explore the onset of star formation in the 75 M_sun SMM1 clump in the region ISOSS J18364-0221 using infrared and (sub-)millimetre observations including interferometry. This contracting clump has fragmented into two compact cores SMM1 North and South of 0.05 pc radius, having masses of 15 and 10 M_sun, and luminosities of 20 and 180 L_sun. SMM1 South harbours a source traced at 24 and 70um, drives an energetic molecular outflow, and appears supersonically turbulent at the core centre. SMM1 North has no infrared counterparts and shows lower levels of turbulence, but also drives an outflow. Both outflows appear collimated and parsec-scale near-infrared features probably trace the outflow-powering jets. We derived mass outflow rates of at least 4E-5 M_sun/yr and outflow timescales of less than 1E4 yr. Our HCN(1-0) modelling for SMM1 South yielded an infall velocity of 0.14 km/s and an estimated mass infall rate of 3E-5 M_sun/yr. Both cores may harbour seeds of intermediate- or high-mass stars. We compare the derived core properties with recent simulations of massive core collapse. They are consistent with the very early stages dominated by accretion luminosity., Comment: Accepted for publication in ApJ, 14 pages, 7 figures
Published: 2008
Full Text: View/download PDF

38. Tycho Brahe's 1572 supernova as a standard type Ia explosion revealed from its light echo spectrum

Author: Krause, Oliver, Tanaka, Masaomi, Usuda, Tomonori, Hattori, Takashi, Goto, Miwa, Birkmann, Stephan, and Nomoto, Ken'ichi
Subjects: Astrophysics
Abstract: Type Ia supernovae (SNe Ia) are thermonuclear explosions of white dwarf stars in close binary systems. They play an important role as cosmological distance indicators and have led to the discovery of the accelerated expansion of the Universe. Among the most important unsolved questions are how the explosion actually proceeds and whether accretion occurs from a companion or via the merging of two white dwarfs. Tycho Brahe's supernova of 1572 (SN 1572) is thought to be one of the best candidates for a SN Ia in the Milky Way. The proximity of the SN 1572 remnant has allowed detailed studies, such as the possible identification of the binary companion, and provides a unique opportunity to test theories of the explosion mechanism and the nature of the progenitor. The determination of the yet unknown exact spectroscopic type of SN 1572 is crucial to relate these results to the diverse population of SNe Ia. Here we report an optical spectrum of Tycho Brahe's supernova near maximum brightness, obtained from a scattered-light echo more than four centuries after the direct light of the explosion swept past Earth. We find that SN 1572 belongs to the majority class of normal SNe Ia. The presence of a strong Ca II IR feature at velocities exceeding 20,000 km/s, which is similar to the previously observed polarized features in other SNe Ia, suggests asphericity in SN 1572., Comment: 15 pages, 3 figures - accepted for publication in Nature
Published: 2008
Full Text: View/download PDF

39. Cold performance tests of blocked-impurity-band Si:As detectors developed for DARWIN

Author: Birkmann, Stephan M., Stegmaier, Jutta, Groezinger, Ulrich, Krause, Oliver, Souverijns, Tim, Putzeys, Jan, Tezcan, Deniz Sabuncuoglu, De Munck, Koen, Fiorini, Paolo, Minoglou, Kiki, Merken, Patrick, Van Hoof, Chris, and De Moor, Piet
Subjects: Physics - Instrumentation and Detectors
Abstract: We report first results of laboratory tests of Si:As blocked-impurity-band (BIB) mid-infrared (4 to 28 um) detectors developed by IMEC. These prototypes feature 88 pixels hybridized on an integrated cryogenic readout electronics (CRE). They were developed as part of a technology demonstration program for the future DARWIN mission. In order to be able to separate detector and readout effects, a custom build TIA circuitry was used to characterize additional single pixel detectors. We used a newly designed test setup at the MPIA to determine the relative spectral response, the quantum efficiency, and the dark current. All these properties were measured as a function of operating temperature and detector bias. In addition the effects of ionizing radiation on the detector were studied. For determining the relative spectral response we used a dual-grating monochromator and a bolometer with known response that was operated in parallel to the Si:As detectors. The quantum efficiency was measured by using a custom-build high-precision vacuum black body together with cold (T ~ 4 K) filters of known (measured) transmission., Comment: 11 pages, 8 figures, to appear in "High Energy, Optical, and Infrared Detectors for Astronomy" SPIE conference Proc. 7021, Marseille, 23-28 June 2008
Published: 2008
Full Text: View/download PDF

40. The Cassiopeia A Supernova was of Type IIB

Author: Krause, Oliver, Birkmann, Stephan M., Usuda, Tomonori, Hattori, Takashi, Goto, Miwa, Rieke, George H., and Misselt, Karl A.
Subjects: Astrophysics
Abstract: Cassiopeia A is one of the youngest supernova remnants known in the Milky Way and a unique laboratory for supernova physics. We present an optical spectrum of the Cassiopeia A supernova near maximum brightness, obtained from observations of a scattered light echo - more than three centuries after the direct light of the explosion swept past Earth. The spectrum shows that Cassiopeia A was a type IIb supernova and originated from the collapse of the helium core of a red supergiant that had lost most of its hydrogen envelope prior to exploding. Our finding concludes a longstanding debate on the Cassiopeia A progenitor and provides new insight into supernova physics by linking the properties of the explosion to the wealth of knowledge about its remnant., Comment: 17 pages, 4 figures, including online supporting material; to be published in Science on 30 May 2008
Published: 2008
Full Text: View/download PDF

41. Very cold and massive cores near ISOSS J18364-0221: Implications for the initial conditions of high-mass star-formation

Author: Birkmann, Stephan M., Krause, Oliver, and Lemke, Dietrich
Subjects: Astrophysics
Abstract: We report the discovery of two very cold and massive molecular cloud cores in the region ISOSS J18364-0221. The object has been identified by a systematic search for very early evolutionary stages of high-mass stars using the 170 micron ISOPHOT Serendipity Survey (ISOSS). Submm continuum and molecular line measurements reveal two compact cores within this region. The first core has a temperature of 16.5 K, shows signs of ongoing infall and outflows, has no NIR or MIR counterpart and is massive enough (M ~ 75 M_sun) to form at least one O star with an associated cluster. It is therefore considered a candidate for a genuine high-mass protostar and a high-mass analog to the Class 0 objects. The second core has an average gas and dust temperature of only ~ 12 K and a mass of M ~ 280 M_sun. Its temperature and level of turbulence are below the values found for massive cores so far and are suggested to represent the initial conditions from which high-mass star formation occurs., Comment: 9 pages, 6 figures, accepted for publication in the Astrophysical Journal
Published: 2005
Full Text: View/download PDF

42. The James Webb Space Telescope Mission

Author: Gardner, Jonathan P., primary, Mather, John C., additional, Abbott, Randy, additional, Abell, James S., additional, Abernathy, Mark, additional, Abney, Faith E., additional, Abraham, John G., additional, Abraham, Roberto, additional, Abul-Huda, Yasin M., additional, Acton, Scott, additional, Adams, Cynthia K., additional, Adams, Evan, additional, Adler, David S., additional, Adriaensen, Maarten, additional, Aguilar, Jonathan Albert, additional, Ahmed, Mansoor, additional, Ahmed, Nasif S., additional, Ahmed, Tanjira, additional, Albat, Rüdeger, additional, Albert, Loïc, additional, Alberts, Stacey, additional, Aldridge, David, additional, Allen, Mary Marsha, additional, Allen, Shaune S., additional, Altenburg, Martin, additional, Altunc, Serhat, additional, Alvarez, Jose Lorenzo, additional, Álvarez-Márquez, Javier, additional, de Oliveira, Catarina Alves, additional, Ambrose, Leslie L., additional, Anandakrishnan, Satya M., additional, Andersen, Gregory C., additional, Anderson, Harry James, additional, Anderson, Jay, additional, Anderson, Kristen, additional, Anderson, Sara M., additional, Aprea, Julio, additional, Archer, Benita J., additional, Arenberg, Jonathan W., additional, Argyriou, Ioannis, additional, Arribas, Santiago, additional, Artigau, Étienne, additional, Arvai, Amanda Rose, additional, Atcheson, Paul, additional, Atkinson, Charles B., additional, Averbukh, Jesse, additional, Aymergen, Cagatay, additional, Bacinski, John J., additional, Baggett, Wayne E., additional, Bagnasco, Giorgio, additional, Baker, Lynn L., additional, Balzano, Vicki Ann, additional, Banks, Kimberly A., additional, Baran, David A., additional, Barker, Elizabeth A., additional, Barrett, Larry K., additional, Barringer, Bruce O., additional, Barto, Allison, additional, Bast, William, additional, Baudoz, Pierre, additional, Baum, Stefi, additional, Beatty, Thomas G., additional, Beaulieu, Mathilde, additional, Bechtold, Kathryn, additional, Beck, Tracy, additional, Beddard, Megan M., additional, Beichman, Charles, additional, Bellagama, Larry, additional, Bely, Pierre, additional, Berger, Timothy W., additional, Bergeron, Louis E., additional, Bernier, Antoine-Darveau, additional, Bertch, Maria D., additional, Beskow, Charlotte, additional, Betz, Laura E., additional, Biagetti, Carl P., additional, Birkmann, Stephan, additional, Bjorklund, Kurt F., additional, Blackwood, James D., additional, Blazek, Ronald Paul, additional, Blossfeld, Stephen, additional, Bluth, Marcel, additional, Boccaletti, Anthony, additional, Boegner Jr, Martin E., additional, Bohlin, Ralph C., additional, Boia, John Joseph, additional, Böker, Torsten, additional, Bonaventura, N., additional, Bond, Nicholas A., additional, Bosley, Kari Ann, additional, Boucarut, Rene A., additional, Bouchet, Patrice, additional, Bouwman, Jeroen, additional, Bower, Gary, additional, Bowers, Ariel S., additional, Bowers, Charles W., additional, Boyce, Leslye A., additional, Boyer, Christine T., additional, Boyer, Martha L., additional, Boyer, Michael, additional, Boyer, Robert, additional, Bradley, Larry D., additional, Brady, Gregory R., additional, Brandl, Bernhard R., additional, Brannen, Judith L., additional, Breda, David, additional, Bremmer, Harold G., additional, Brennan, David, additional, Bresnahan, Pamela A., additional, Bright, Stacey N., additional, Broiles, Brian J., additional, Bromenschenkel, Asa, additional, Brooks, Brian H., additional, Brooks, Keira J., additional, Brown, Bob, additional, Brown, Bruce, additional, Brown, Thomas M., additional, Bruce, Barry W., additional, Bryson, Jonathan G., additional, Bujanda, Edwin D., additional, Bullock, Blake M., additional, Bunker, A. J., additional, Bureo, Rafael, additional, Burt, Irving J., additional, Bush, James Aaron, additional, Bushouse, Howard A., additional, Bussman, Marie C., additional, Cabaud, Olivier, additional, Cale, Steven, additional, Calhoon, Charles D., additional, Calvani, Humberto, additional, Canipe, Alicia M., additional, Caputo, Francis M., additional, Cara, Mihai, additional, Carey, Larkin, additional, Case, Michael Eli, additional, Cesari, Thaddeus, additional, Cetorelli, Lee D., additional, Chance, Don R., additional, Chandler, Lynn, additional, Chaney, Dave, additional, Chapman, George N., additional, Charlot, S., additional, Chayer, Pierre, additional, Cheezum, Jeffrey I., additional, Chen, Bin, additional, Chen, Christine H., additional, Cherinka, Brian, additional, Chichester, Sarah C., additional, Chilton, Zachary S., additional, Chittiraibalan, Dharini, additional, Clampin, Mark, additional, Clark, Charles R., additional, Clark, Kerry W., additional, Clark, Stephanie M., additional, Claybrooks, Edward E., additional, Cleveland, Keith A., additional, Cohen, Andrew L., additional, Cohen, Lester M., additional, Colón, Knicole D., additional, Coleman, Benee L., additional, Colina, Luis, additional, Comber, Brian J., additional, Comeau, Thomas M., additional, Comer, Thomas, additional, Reis, Alain Conde, additional, Connolly, Dennis C., additional, Conroy, Kyle E., additional, Contos, Adam R., additional, Contreras, James, additional, Cook, Neil J., additional, Cooper, James L., additional, Cooper, Rachel Aviva, additional, Correia, Michael F., additional, Correnti, Matteo, additional, Cossou, Christophe, additional, Costanza, Brian F., additional, Coulais, Alain, additional, Cox, Colin R., additional, Coyle, Ray T., additional, Cracraft, Misty M., additional, Crew, Keith A., additional, Curtis, Gary J., additional, Cusveller, Bianca, additional, Maciel, Cleyciane Da Costa, additional, Dailey, Christopher T., additional, Daugeron, Frédéric, additional, Davidson, Greg S., additional, Davies, James E., additional, Davis, Katherine Anne, additional, Davis, Michael S., additional, Day, Ratna, additional, de Chambure, Daniel, additional, de Jong, Pauline, additional, De Marchi, Guido, additional, Dean, Bruce H., additional, Decker, John E., additional, Delisa, Amy S., additional, Dell, Lawrence C., additional, Dellagatta, Gail, additional, Dembinska, Franciszka, additional, Demosthenes, Sandor, additional, Dencheva, Nadezhda M., additional, Deneu, Philippe, additional, DePriest, William W., additional, Deschenes, Jeremy, additional, Dethienne, Nathalie, additional, Detre, Örs Hunor, additional, Diaz, Rosa Izela, additional, Dicken, Daniel, additional, DiFelice, Audrey S., additional, Dillman, Matthew, additional, Disharoon, Maureen O., additional, Dixon, William V., additional, Doggett, Jesse B., additional, Dominguez, Keisha L., additional, Donaldson, Thomas S., additional, Doria-Warner, Cristina M., additional, Santos, Tony Dos, additional, Doty, Heather, additional, Douglas, Jr, Robert E., additional, Doyon, René, additional, Dressler, Alan, additional, Driggers, Jennifer, additional, Driggers, Phillip A., additional, Dunn, Jamie L., additional, DuPrie, Kimberly C., additional, Dupuis, Jean, additional, Durning, John, additional, Dutta, Sanghamitra B., additional, Earl, Nicholas M., additional, Eccleston, Paul, additional, Ecobichon, Pascal, additional, Egami, Eiichi, additional, Ehrenwinkler, Ralf, additional, Eisenhamer, Jonathan D., additional, Eisenhower, Michael, additional, Eisenstein, Daniel J., additional, El Hamel, Zaky, additional, Elie, Michelle L., additional, Elliott, James, additional, Elliott, Kyle Wesley, additional, Engesser, Michael, additional, Espinoza, Néstor, additional, Etienne, Odessa, additional, Etxaluze, Mireya, additional, Evans, Leah, additional, Fabreguettes, Luce, additional, Falcolini, Massimo, additional, Falini, Patrick R., additional, Fatig, Curtis, additional, Feeney, Matthew, additional, Feinberg, Lee D., additional, Fels, Raymond, additional, Ferdous, Nazma, additional, Ferguson, Henry C., additional, Ferrarese, Laura, additional, Ferreira, Marie-Héléne, additional, Ferruit, Pierre, additional, Ferry, Malcolm, additional, Filippazzo, Joseph Charles, additional, Firre, Daniel, additional, Fix, Mees, additional, Flagey, Nicolas, additional, Flanagan, Kathryn A., additional, Fleming, Scott W., additional, Florian, Michael, additional, Flynn, James R., additional, Foiadelli, Luca, additional, Fontaine, Mark R., additional, Fontanella, Erin Marie, additional, Forshay, Peter Randolph, additional, Fortner, Elizabeth A., additional, Fox, Ori D., additional, Framarini, Alexandro P., additional, Francisco, John I., additional, Franck, Randy, additional, Franx, Marijn, additional, Franz, David E., additional, Friedman, Scott D., additional, Friend, Katheryn E., additional, Frost, James R., additional, Fu, Henry, additional, Fullerton, Alexander W., additional, Gaillard, Lionel, additional, Galkin, Sergey, additional, Gallagher, Ben, additional, Galyer, Anthony D., additional, García Marín, Macarena, additional, Gardner, Lisa E., additional, Garland, Dennis, additional, Garrett, Bruce Albert, additional, Gasman, Danny, additional, Gáspár, András, additional, Gastaud, René, additional, Gaudreau, Daniel, additional, Gauthier, Peter Timothy, additional, Geers, Vincent, additional, Geithner, Paul H., additional, Gennaro, Mario, additional, Gerber, John, additional, Gereau, John C., additional, Giampaoli, Robert, additional, Giardino, Giovanna, additional, Gibbons, Paul C., additional, Gilbert, Karoline, additional, Gilman, Larry, additional, Girard, Julien H., additional, Giuliano, Mark E., additional, Gkountis, Konstantinos, additional, Glasse, Alistair, additional, Glassmire, Kirk Zachary, additional, Glauser, Adrian Michael, additional, Glazer, Stuart D., additional, Goldberg, Joshua, additional, Golimowski, David A., additional, Gonzaga, Shireen P., additional, Gordon, Karl D., additional, Gordon, Shawn J., additional, Goudfrooij, Paul, additional, Gough, Michael J., additional, Graham, Adrian J., additional, Grau, Christopher M., additional, Green, Joel David, additional, Greene, Gretchen R., additional, Greene, Thomas P., additional, Greenfield, Perry E., additional, Greenhouse, Matthew A., additional, Greve, Thomas R., additional, Greville, Edgar M., additional, Grimaldi, Stefano, additional, Groe, Frank E., additional, Groebner, Andrew, additional, Grumm, David M., additional, Grundy, Timothy, additional, Güdel, Manuel, additional, Guillard, Pierre, additional, Guldalian, John, additional, Gunn, Christopher A., additional, Gurule, Anthony, additional, Gutman, Irvin Meyer, additional, Guy, Paul D., additional, Guyot, Benjamin, additional, Hack, Warren J., additional, Haderlein, Peter, additional, Hagan, James B., additional, Hagedorn, Andria, additional, Hainline, Kevin, additional, Haley, Craig, additional, Hami, Maryam, additional, Hamilton, Forrest Clifford, additional, Hammann, Jeffrey, additional, Hammel, Heidi B., additional, Hanley, Christopher J., additional, Hansen, Carl August, additional, Hardy, Bruce, additional, Harnisch, Bernd, additional, Harr, Michael Hunter, additional, Harris, Pamela, additional, Hart, Jessica Ann, additional, Hartig, George F., additional, Hasan, Hashima, additional, Hashim, Kathleen Marie, additional, Hashimoto, Ryan, additional, Haskins, Sujee J., additional, Hawkins, Robert Edward, additional, Hayden, Brian, additional, Hayden, William L., additional, Healy, Mike, additional, Hecht, Karen, additional, Heeg, Vince J., additional, Hejal, Reem, additional, Helm, Kristopher A., additional, Hengemihle, Nicholas J., additional, Henning, Thomas, additional, Henry, Alaina, additional, Henry, Ronald L., additional, Henshaw, Katherine, additional, Hernandez, Scarlin, additional, Herrington, Donald C., additional, Heske, Astrid, additional, Hesman, Brigette Emily, additional, Hickey, David L., additional, Hilbert, Bryan N., additional, Hines, Dean C., additional, Hinz, Michael R., additional, Hirsch, Michael, additional, Hitcho, Robert S., additional, Hodapp, Klaus, additional, Hodge, Philip E., additional, Hoffman, Melissa, additional, Holfeltz, Sherie T., additional, Holler, Bryan Jason, additional, Hoppa, Jennifer Rose, additional, Horner, Scott, additional, Howard, Joseph M., additional, Howard, Richard J., additional, Huber, Jean M., additional, Hunkeler, Joseph S., additional, Hunter, Alexander, additional, Hunter, David Gavin, additional, Hurd, Spencer W., additional, Hurst, Brendan J., additional, Hutchings, John B., additional, Hylan, Jason E., additional, Ignat, Luminita Ilinca, additional, Illingworth, Garth, additional, Irish, Sandra M., additional, Isaacs III, John C., additional, Jackson Jr, Wallace C., additional, Jaffe, Daniel T., additional, Jahic, Jasmin, additional, Jahromi, Amir, additional, Jakobsen, Peter, additional, James, Bryan, additional, James, John C., additional, James, LeAndrea Rae, additional, Jamieson, William Brian, additional, Jandra, Raymond D., additional, Jayawardhana, Ray, additional, Jedrzejewski, Robert, additional, Jeffers, Basil S., additional, Jensen, Peter, additional, Joanne, Egges, additional, Johns, Alan T., additional, Johnson, Carl A., additional, Johnson, Eric L., additional, Johnson, Patricia, additional, Johnson, Phillip Stephen, additional, Johnson, Thomas K., additional, Johnson, Timothy W., additional, Johnstone, Doug, additional, Jollet, Delphine, additional, Jones, Danny P., additional, Jones, Gregory S., additional, Jones, Olivia C., additional, Jones, Ronald A., additional, Jones, Vicki, additional, Jordan, Ian J., additional, Jordan, Margaret E., additional, Jue, Reginald, additional, Jurkowski, Mark H., additional, Justis, Grant, additional, Justtanont, Kay, additional, Kaleida, Catherine C., additional, Kalirai, Jason S., additional, Kalmanson, Phillip Cabrales, additional, Kaltenegger, Lisa, additional, Kammerer, Jens, additional, Kan, Samuel K., additional, Kanarek, Graham Childs, additional, Kao, Shaw-Hong, additional, Karakla, Diane M., additional, Karl, Hermann, additional, Kassin, Susan A., additional, Kauffman, David D., additional, Kavanagh, Patrick, additional, Kelley, Leigh L., additional, Kelly, Douglas M., additional, Kendrew, Sarah, additional, Kennedy, Herbert V., additional, Kenny, Deborah A., additional, Keski-Kuha, Ritva A., additional, Keyes, Charles D., additional, Khan, Ali, additional, Kidwell, Richard C., additional, Kimble, Randy A., additional, King, James S., additional, King, Richard C., additional, Kinzel, Wayne M., additional, Kirk, Jeffrey R., additional, Kirkpatrick, Marc E., additional, Klaassen, Pamela, additional, Klingemann, Lana, additional, Klintworth, Paul U., additional, Knapp, Bryan Adam, additional, Knight, Scott, additional, Knollenberg, Perry J., additional, Knutsen, Daniel Mark, additional, Koehler, Robert, additional, Koekemoer, Anton M., additional, Kofler, Earl T., additional, Kontson, Vicki L., additional, Kovacs, Aiden Rose, additional, Kozhurina-Platais, Vera, additional, Krause, Oliver, additional, Kriss, Gerard A., additional, Krist, John, additional, Kristoffersen, Monica R., additional, Krogel, Claudia, additional, Krueger, Anthony P., additional, Kulp, Bernard A., additional, Kumari, Nimisha, additional, Kwan, Sandy W., additional, Kyprianou, Mark, additional, Labador, Aurora Gadiano, additional, Labiano, Álvaro, additional, Lafrenière, David, additional, Lagage, Pierre-Olivier, additional, Laidler, Victoria G., additional, Laine, Benoit, additional, Laird, Simon, additional, Lajoie, Charles-Philippe, additional, Lallo, Matthew D., additional, Lam, May Yen, additional, LaMassa, Stephanie Marie, additional, Lambros, Scott D., additional, Lampenfield, Richard Joseph, additional, Lander, Matthew Ed, additional, Langston, James Hutton, additional, Larson, Kirsten, additional, Larson, Melora, additional, LaVerghetta, Robert Joseph, additional, Law, David R., additional, Lawrence, Jon F., additional, Lee, David W., additional, Lee, Janice, additional, Lee, Yat-Ning Paul, additional, Leisenring, Jarron, additional, Leveille, Michael Dunlap, additional, Levenson, Nancy A., additional, Levi, Joshua S., additional, Levine, Marie B., additional, Lewis, Dan, additional, Lewis, Jake, additional, Lewis, Nikole, additional, Libralato, Mattia, additional, Lidon, Norbert, additional, Liebrecht, Paula Louisa, additional, Lightsey, Paul, additional, Lilly, Simon, additional, Lim, Frederick C., additional, Lim, Pey Lian, additional, Ling, Sai-Kwong, additional, Link, Lisa J., additional, Link, Miranda Nicole, additional, Lipinski, Jamie L., additional, Liu, XiaoLi, additional, Lo, Amy S., additional, Lobmeyer, Lynette, additional, Logue, Ryan M., additional, Long, Chris A., additional, Long, Douglas R., additional, Long, Ilana D., additional, Long, Knox S., additional, López-Caniego, Marcos, additional, Lotz, Jennifer M., additional, Love-Pruitt, Jennifer M., additional, Lubskiy, Michael, additional, Luers, Edward B., additional, Luetgens, Robert A., additional, Luevano, Annetta J., additional, G. Flores Lui, Sarah Marie, additional, Lund III, James M., additional, Lundquist, Ray A., additional, Lunine, Jonathan, additional, Lützgendorf, Nora, additional, Lynch, Richard J., additional, MacDonald, Alex J., additional, MacDonald, Kenneth, additional, Macias, Matthew J., additional, Macklis, Keith I., additional, Maghami, Peiman, additional, Maharaja, Rishabh Y., additional, Maiolino, Roberto, additional, Makrygiannis, Konstantinos G., additional, Malla, Sunita Giri, additional, Malumuth, Eliot M., additional, Manjavacas, Elena, additional, Marini, Andrea, additional, Marrione, Amanda, additional, Marston, Anthony, additional, Martel, André R, additional, Martin, Didier, additional, Martin, Peter G., additional, Martinez, Kristin L., additional, Maschmann, Marc, additional, Masci, Gregory L., additional, Masetti, Margaret E., additional, Maszkiewicz, Michael, additional, Matthews, Gary, additional, Matuskey, Jacob E., additional, McBrayer, Glen A., additional, McCarthy, Donald W., additional, McCaughrean, Mark J., additional, McClare, Leslie A., additional, McClare, Michael D., additional, McCloskey, John C., additional, McClurg, Taylore D., additional, McCoy, Martin, additional, McElwain, Michael W., additional, McGregor, Roy D., additional, McGuffey, Douglas B., additional, McKay, Andrew G., additional, McKenzie, William K., additional, McLean, Brian, additional, McMaster, Matthew, additional, McNeil, Warren, additional, De Meester, Wim, additional, Mehalick, Kimberly L., additional, Meixner, Margaret, additional, Meléndez, Marcio, additional, Menzel, Michael P., additional, Menzel, Michael T., additional, Merz, Matthew, additional, Mesterharm, David D., additional, Meyer, Michael R., additional, Meyett, Michele L., additional, Meza, Luis E., additional, Midwinter, Calvin, additional, Milam, Stefanie N., additional, Miller, Jay Todd, additional, Miller, William C., additional, Miskey, Cherie L., additional, Misselt, Karl, additional, Mitchell, Eileen P., additional, Mohan, Martin, additional, Montoya, Emily E., additional, Moran, Michael J., additional, Morishita, Takahiro, additional, Moro-Martín, Amaya, additional, Morrison, Debra L., additional, Morrison, Jane, additional, Morse, Ernie C., additional, Moschos, Michael, additional, Moseley, S. H., additional, Mosier, Gary E., additional, Mosner, Peter, additional, Mountain, Matt, additional, Muckenthaler, Jason S., additional, Mueller, Donald G., additional, Mueller, Migo, additional, Muhiem, Daniella, additional, Mühlmann, Prisca, additional, Mullally, Susan Elizabeth, additional, Mullen, Stephanie M., additional, Munger, Alan J, additional, Murphy, Jess, additional, Murray, Katherine T., additional, Muzerolle, James C., additional, Mycroft, Matthew, additional, Myers, Andrew, additional, Myers, Carey R., additional, R. Myers, Fred Richard, additional, Myers, Richard, additional, Myrick, Kaila, additional, Nagle, IV, Adrian F., additional, Nayak, Omnarayani, additional, Naylor, Bret, additional, Neff, Susan G., additional, Nelan, Edmund P., additional, Nella, John, additional, Nguyen, Duy Tuong, additional, Nguyen, Michael N., additional, Nickson, Bryony, additional, Nidhiry, John Joseph, additional, Niedner, Malcolm B., additional, Nieto-Santisteban, Maria, additional, Nikolov, Nikolay K., additional, Nishisaka, Mary Ann, additional, Noriega-Crespo, Alberto, additional, Nota, Antonella, additional, O’Mara, Robyn C., additional, Oboryshko, Michael, additional, O’Brien, Marcus B., additional, Ochs, William R., additional, Offenberg, Joel D., additional, Ogle, Patrick Michael, additional, Ohl, Raymond G., additional, Olmsted, Joseph Hamden, additional, Osborne, Shannon Barbara, additional, O’Shaughnessy, Brian Patrick, additional, Östlin, Göran, additional, O’Sullivan, Brian, additional, Otor, O. Justin, additional, Ottens, Richard, additional, Ouellette, Nathalie N.-Q., additional, Outlaw, Daria J., additional, Owens, Beverly A., additional, Pacifici, Camilla, additional, Page, James Christophe, additional, Paranilam, James G., additional, Park, Sang, additional, Parrish, Keith A., additional, Paschal, Laura, additional, Patapis, Polychronis, additional, Patel, Jignasha, additional, Patrick, Keith, additional, Pattishall Jr, Robert A., additional, Paul, Douglas William, additional, Paul, Shirley J., additional, Pauly, Tyler Andrew, additional, Pavlovsky, Cheryl M., additional, Peña-Guerrero, Maria, additional, Pedder, Andrew H., additional, Peek, Matthew Weldon, additional, Pelham, Patricia A., additional, Penanen, Konstantin, additional, Perriello, Beth A., additional, Perrin, Marshall D., additional, Perrine, Richard F., additional, Perrygo, Chuck, additional, Peslier, Muriel, additional, Petach, Michael, additional, Peterson, Karla A., additional, Pfarr, Tom, additional, Pierson, James M., additional, Pietraszkiewicz, Martin, additional, Pilchen, Guy, additional, Pipher, Judy L., additional, Pirzkal, Norbert, additional, Pitman, Joseph T., additional, Player, Danielle M., additional, Plesha, Rachel, additional, Plitzke, Anja, additional, Pohner, John A., additional, Poletis, Karyn Konstantin, additional, Pollizzi, Joseph A., additional, Polster, Ethan, additional, Pontius, James T., additional, Pontoppidan, Klaus, additional, Porges, Susana C., additional, Potter, Gregg D., additional, Prescott, Stephen, additional, Proffitt, Charles R., additional, Pueyo, Laurent, additional, Quispe Neira, Irma Aracely, additional, Radich, Armando, additional, Rager, Reiko T., additional, Rameau, Julien, additional, Ramey, Deborah D., additional, Alarcon, Rafael Ramos, additional, Rampini, Riccardo, additional, Rapp, Robert, additional, Rashford, Robert A., additional, Rauscher, Bernard J., additional, Ravindranath, Swara, additional, Rawle, Timothy, additional, Rawlings, Tynika N., additional, Ray, Tom, additional, Regan, Michael W., additional, Rehm, Brian, additional, Rehm, Kenneth D., additional, Reid, Neill, additional, Reis, Carl A., additional, Renk, Florian, additional, Reoch, Tom B., additional, Ressler, Michael, additional, Rest, Armin W., additional, Reynolds, Paul J., additional, Richon, Joel G., additional, Richon, Karen V., additional, Ridgaway, Michael, additional, Riedel, Adric Richard, additional, Rieke, George H., additional, Rieke, Marcia J., additional, Rifelli, Richard E., additional, Rigby, Jane R., additional, Riggs, Catherine S., additional, Ringel, Nancy J., additional, Ritchie, Christine E., additional, Rix, Hans-Walter, additional, Robberto, Massimo, additional, Robinson, Gregory L., additional, Robinson, Michael S., additional, Robinson, Orion, additional, Rock, Frank W., additional, Rodriguez, David R., additional, del Pino, Bruno Rodríguez, additional, Roellig, Thomas, additional, Rohrbach, Scott O., additional, Roman, Anthony J., additional, Romelfanger, Frederick J., additional, Romo Jr, Felipe P., additional, Rosales, Jose J., additional, Rose, Perry, additional, Roteliuk, Anthony F., additional, Roth, Marc N., additional, Rothwell, Braden Quinn, additional, Rouzaud, Sylvain, additional, Rowe, Jason, additional, Rowlands, Neil, additional, Roy, Arpita, additional, Royer, Pierre, additional, Rui, Chunlei, additional, Rumler, Peter, additional, Rumpl, William, additional, Russ, Melissa L., additional, Ryan, Michael B., additional, Ryan, Richard M., additional, Saad, Karl, additional, Sabata, Modhumita, additional, Sabatino, Rick, additional, Sabbi, Elena, additional, Sabelhaus, Phillip A., additional, Sabia, Stephen, additional, Sahu, Kailash C., additional, Saif, Babak N., additional, Salvignol, Jean-Christophe, additional, Samara-Ratna, Piyal, additional, Samuelson, Bridget S., additional, Sanders, Felicia A., additional, Sappington, Bradley, additional, Sargent, B. A., additional, Sauer, Arne, additional, Savadkin, Bruce J., additional, Sawicki, Marcin, additional, Schappell, Tina M., additional, Scheffer, Caroline, additional, Scheithauer, Silvia, additional, Scherer, Ron, additional, Schiff, Conrad, additional, Schlawin, Everett, additional, Schmeitzky, Olivier, additional, Schmitz, Tyler S., additional, Schmude, Donald J., additional, Schneider, Analyn, additional, Schreiber, Jürgen, additional, Schroeven-Deceuninck, Hilde, additional, Schultz, John J., additional, Schwab, Ryan, additional, Schwartz, Curtis H., additional, Scoccimarro, Dario, additional, Scott, John F., additional, Scott, Michelle B., additional, Seaton, Bonita L., additional, Seely, Bruce S., additional, Seery, Bernard, additional, Seidleck, Mark, additional, Sembach, Kenneth, additional, Shanahan, Clare Elizabeth, additional, Shaughnessy, Bryan, additional, Shaw, Richard A., additional, Shay, Christopher Michael, additional, Sheehan, Even, additional, Sheth, Kartik, additional, Shih, Hsin-Yi, additional, Shivaei, Irene, additional, Siegel, Noah, additional, Sienkiewicz, Matthew G., additional, Simmons, Debra D., additional, Simon, Bernard P., additional, Sirianni, Marco, additional, Sivaramakrishnan, Anand, additional, Slade, Jeffrey E., additional, Sloan, G. C., additional, Slocum, Christine E., additional, Slowinski, Steven E., additional, Smith, Corbett T., additional, Smith, Eric P., additional, Smith, Erin C., additional, Smith, Koby, additional, Smith, Robert, additional, Smith, Stephanie J., additional, Smolik, John L., additional, Soderblom, David R., additional, Sohn, Sangmo Tony, additional, Sokol, Jeff, additional, Sonneborn, George, additional, Sontag, Christopher D., additional, Sooy, Peter R., additional, Soummer, Remi, additional, Southwood, Dana M., additional, Spain, Kay, additional, Sparmo, Joseph, additional, Speer, David T., additional, Spencer, Richard, additional, Sprofera, Joseph D., additional, Stallcup, Scott S., additional, Stanley, Marcia K., additional, Stansberry, John A., additional, Stark, Christopher C., additional, Starr, Carl W., additional, Stassi, Diane Y., additional, Steck, Jane A., additional, Steeley, Christine D., additional, Stephens, Matthew A., additional, Stephenson, Ralph J., additional, Stewart, Alphonso C., additional, Stiavelli, Massimo, additional, Jr, Hervey Stockman, additional, Strada, Paolo, additional, Straughn, Amber N., additional, Streetman, Scott, additional, Strickland, David Kendal, additional, Strobele, Jingping F., additional, Stuhlinger, Martin, additional, Stys, Jeffrey Edward, additional, Such, Miguel, additional, Sukhatme, Kalyani, additional, Sullivan, Joseph F., additional, Sullivan, Pamela C., additional, Sumner, Sandra M., additional, Sun, Fengwu, additional, Sunnquist, Benjamin Dale, additional, Swade, Daryl Allen, additional, Swam, Michael S., additional, Swenton, Diane F., additional, Swoish, Robby A., additional, Tam Litten, Oi In, additional, Tamas, Laszlo, additional, Tao, Andrew, additional, Taylor, David K., additional, Taylor, Joanna M., additional, Plate, Maurice te, additional, Van Tea, Mason, additional, Teague, Kelly K., additional, Telfer, Randal C., additional, Temim, Tea, additional, Texter, Scott C., additional, Thatte, Deepashri G., additional, Thompson, Christopher Lee, additional, Thompson, Linda M., additional, Thomson, Shaun R., additional, Thronson, Harley, additional, Tierney, C. M., additional, Tikkanen, Tuomo, additional, Tinnin, Lee, additional, Tippet, William Thomas, additional, Todd, Connor William, additional, Tran, Hien D., additional, Trauger, John, additional, Trejo, Edwin Gregorio, additional, Vinh Truong, Justin Hoang, additional, Tsukamoto, Christine L., additional, Tufail, Yasir, additional, Tumlinson, Jason, additional, Tustain, Samuel, additional, Tyra, Harrison, additional, Ubeda, Leonardo, additional, Underwood, Kelli, additional, Uzzo, Michael A., additional, Vaclavik, Steven, additional, Valenduc, Frida, additional, Valenti, Jeff A., additional, Van Campen, Julie, additional, van de Wetering, Inge, additional, Van Der Marel, Roeland P., additional, van Haarlem, Remy, additional, Vandenbussche, Bart, additional, van Dishoeck, Ewine F., additional, Vanterpool, Dona D., additional, Vernoy, Michael R., additional, Vila Costas, Maria Begoña, additional, Volk, Kevin, additional, Voorzaat, Piet, additional, Voyton, Mark F., additional, Vydra, Ekaterina, additional, Waddy, Darryl J., additional, Waelkens, Christoffel, additional, Wahlgren, Glenn Michael, additional, Walker Jr, Frederick E., additional, Wander, Michel, additional, Warfield, Christine K., additional, Warner, Gerald, additional, Wasiak, Francis C., additional, Wasiak, Matthew F., additional, Wehner, James, additional, Weiler, Kevin R., additional, Weilert, Mark, additional, Weiss, Stanley B., additional, Wells, Martyn, additional, Welty, Alan D., additional, Wheate, Lauren, additional, Wheeler, Thomas P., additional, White, Christy L., additional, Whitehouse, Paul, additional, Whiteleather, Jennifer Margaret, additional, Whitman, William Russell, additional, Williams, Christina C., additional, Willmer, Christopher N. A., additional, Willott, Chris J., additional, Willoughby, Scott P., additional, Wilson, Andrew, additional, Wilson, Debra, additional, Wilson, Donna V., additional, Windhorst, Rogier, additional, Wislowski, Emily Christine, additional, Wolfe, David J., additional, Wolfe, Michael A., additional, Wolff, Schuyler, additional, Wondel, Amancio, additional, Woo, Cindy, additional, Woods, Robert T., additional, Worden, Elaine, additional, Workman, William, additional, Wright, Gillian S., additional, Wu, Carl, additional, Wu, Chi-Rai, additional, Wun, Dakin D., additional, Wymer, Kristen B., additional, Yadetie, Thomas, additional, Yan, Isabelle C., additional, Yang, Keith C., additional, Yates, Kayla L., additional, Yeager, Christopher R., additional, Yerger, Ethan John, additional, Young, Erick T., additional, Young, Gary, additional, Yu, Gene, additional, Yu, Susan, additional, Zak, Dean S., additional, Zeidler, Peter, additional, Zepp, Robert, additional, Zhou, Julia, additional, Zincke, Christian A., additional, Zonak, Stephanie, additional, and Zondag, Elisabeth, additional
Published: 2023
Full Text: View/download PDF

43. The Mid-infrared Instrument for JWST and Its In-flight Performance

Author: Wright, Gillian S., primary, Rieke, George H., additional, Glasse, Alistair, additional, Ressler, Michael, additional, García Marín, Macarena, additional, Aguilar, Jonathan, additional, Alberts, Stacey, additional, Álvarez-Márquez, Javier, additional, Argyriou, Ioannis, additional, Banks, Kimberly, additional, Baudoz, Pierre, additional, Boccaletti, Anthony, additional, Bouchet, Patrice, additional, Bouwman, Jeroen, additional, Brandl, Bernard R., additional, Breda, David, additional, Bright, Stacey, additional, Cale, Steven, additional, Colina, Luis, additional, Cossou, Christophe, additional, Coulais, Alain, additional, Cracraft, Misty, additional, De Meester, Wim, additional, Dicken, Daniel, additional, Engesser, Michael, additional, Etxaluze, Mireya, additional, Fox, Ori D., additional, Friedman, Scott, additional, Fu, Henry, additional, Gasman, Danny, additional, Gáspár, András, additional, Gastaud, René, additional, Geers, Vincent, additional, Glauser, Adrian Michael, additional, Gordon, Karl D., additional, Greene, Thomas, additional, Greve, Thomas R., additional, Grundy, Timothy, additional, Güdel, Manuel, additional, Guillard, Pierre, additional, Haderlein, Peter, additional, Hashimoto, Ryan, additional, Henning, Thomas, additional, Hines, Dean, additional, Holler, Bryan, additional, Detre, Örs Hunor, additional, Jahromi, Amir, additional, James, Bryan, additional, Jones, Olivia C., additional, Justtanont, Kay, additional, Kavanagh, Patrick, additional, Kendrew, Sarah, additional, Klaassen, Pamela, additional, Krause, Oliver, additional, Labiano, Alvaro, additional, Lagage, Pierre-Olivier, additional, Lambros, Scott, additional, Larson, Kirsten, additional, Law, David, additional, Lee, David, additional, Libralato, Mattia, additional, Alverez, Jose Lorenzo, additional, Meixner, Margaret, additional, Morrison, Jane, additional, Mueller, Migo, additional, Murray, Katherine, additional, Mycroft, Matthew, additional, Myers, Richard, additional, Nayak, Omnarayani, additional, Naylor, Bret, additional, Nickson, Bryony, additional, Noriega-Crespo, Alberto, additional, Östlin, Göran, additional, O’Sullivan, Brian, additional, Ottens, Richard, additional, Patapis, Polychronis, additional, Penanen, Konstantin, additional, Pietraszkiewicz, Martin, additional, Ray, Tom, additional, Regan, Michael, additional, Roteliuk, Anthony, additional, Royer, Pierre, additional, Samara-Ratna, Piyal, additional, Samuelson, Bridget, additional, Sargent, Beth A., additional, Scheithauer, Silvia, additional, Schneider, Analyn, additional, Schreiber, Jürgen, additional, Shaughnessy, Bryan, additional, Sheehan, Evan, additional, Shivaei, Irene, additional, Sloan, G. C., additional, Tamas, Laszlo, additional, Teague, Kelly, additional, Temim, Tea, additional, Tikkanen, Tuomo, additional, Tustain, Samuel, additional, van Dishoeck, Ewine F., additional, Vandenbussche, Bart, additional, Weilert, Mark, additional, Whitehouse, Paul, additional, and Wolff, Schuyler, additional
Published: 2023
Full Text: View/download PDF

44. Occulter to earth: prospects for studying earth-like planets with the E-ELT and a space-based occulter

Author: Janson, Markus, Henning, Thomas, Quanz, Sascha P., Asensio-Torres, Ruben, Buchhave, Lars, Krause, Oliver, Palle, Enric, Brandeker, Alexis, Janson, Markus, Henning, Thomas, Quanz, Sascha P., Asensio-Torres, Ruben, Buchhave, Lars, Krause, Oliver, Palle, Enric, and Brandeker, Alexis
Abstract: Direct detection and characterization of Earth-like planets around Sun-like stars is a core task for evaluating the prevalence of habitability and life in the Universe. Here, we discuss a promising option for achieving this goal, which is based on placing an occulter in orbit and having it project its shadow onto the E-ELT at the surface of Earth, thus providing a sufficient contrast for imaging and taking spectra of Earth-like planets in the habitable zones of Sun-like stars. Doing so at a sensible fuel budget will require tailored orbits, an occulter with a high area-to-mass ratio, and appropriate instrumentation at the E-ELT. In this White Paper, submitted in response to the ESA Voyage 2050 Call, we outline the fundamental aspects of the concept, and the most important technical developments that will be required to develop a full mission.
Published: 2023

45. SO2, silicate clouds, but no CH4detected in a warm Neptune

Author: Dyrek, Achrène, Min, Michiel, Decin, Leen, Bouwman, Jeroen, Crouzet, Nicolas, Mollière, Paul, Lagage, Pierre-Olivier, Konings, Thomas, Tremblin, Pascal, Güdel, Manuel, Pye, John, Waters, Rens, Henning, Thomas, Vandenbussche, Bart, Ardevol Martinez, Francisco, Argyriou, Ioannis, Ducrot, Elsa, Heinke, Linus, van Looveren, Gwenael, Absil, Olivier, Barrado, David, Baudoz, Pierre, Boccaletti, Anthony, Cossou, Christophe, Coulais, Alain, Edwards, Billy, Gastaud, René, Glasse, Alistair, Glauser, Adrian, Greene, Thomas P., Kendrew, Sarah, Krause, Oliver, Lahuis, Fred, Mueller, Michael, Olofsson, Goran, Patapis, Polychronis, Rouan, Daniel, Royer, Pierre, Scheithauer, Silvia, Waldmann, Ingo, Whiteford, Niall, Colina, Luis, van Dishoeck, Ewine F., Östlin, Göran, Ray, Tom P., and Wright, Gillian
Abstract: WASP-107b is a warm (approximately 740 K) transiting planet with a Neptune-like mass of roughly 30.5 M⊕and Jupiter-like radius of about 0.94 RJ(refs. 1,2), whose extended atmosphere is eroding3. Previous observations showed evidence for water vapour and a thick, high-altitude condensate layer in the atmosphere of WASP-107b (refs. 4,5). Recently, photochemically produced sulfur dioxide (SO2) was detected in the atmosphere of a hot (about 1,200 K) Saturn-mass planet from transmission spectroscopy near 4.05 μm (refs. 6,7), but for temperatures below about 1,000 K, sulfur is predicted to preferably form sulfur allotropes instead of SO2(refs. 8–10). Here we report the 9σdetection of two fundamental vibration bands of SO2, at 7.35 μm and 8.69 μm, in the transmission spectrum of WASP-107b using the Mid-Infrared Instrument (MIRI) of JWST. This discovery establishes WASP-107b as the second irradiated exoplanet with confirmed photochemistry, extending the temperature range of exoplanets exhibiting detected photochemistry from about 1,200 K down to about 740 K. Furthermore, our spectral analysis reveals the presence of silicate clouds, which are strongly favoured (around 7σ) over simpler cloud set-ups. Furthermore, water is detected (around 12σ) but methane is not. These findings provide evidence of disequilibrium chemistry and indicate a dynamically active atmosphere with a super-solar metallicity.
Published: 2024
Full Text: View/download PDF

46. Die Variabilität frühneuzeitlicher Staatlichkeit

Author: Krause, Oliver, primary
Published: 2018
Full Text: View/download PDF

47. The Mid-Infrared Instrument for the James Webb Space Telescope , III: MIRIM, The MIRI Imager

Author: Bouchet, Patrice, García-Marín, Macarena, Lagage, P.-O., Amiaux, Jérome, Auguéres, J.-L., Bauwens, Eva, Blommaert, J. A. D. L., Chen, C. H., Detre, Ö. H., Dicken, Dan, Dubreuil, D., Galdemard, Ph., Gastaud, R., Glasse, A., Gordon, K. D., Gougnaud, F., Guillard, Phillippe, Justtanont, K., Krause, Oliver, Leboeuf, Didier, Longval, Yuying, Martin, Laurant, Mazy, Emmanuel, Moreau, Vincent, Olofsson, Göran, Ray, T. P., Rees, J.-M., Renotte, Etienne, Ressler, M. E., Ronayette, Samuel, Salasca, Sophie, Scheithauer, Silvia, Sykes, Jon, Thelen, M. P., Wells, Martyn, Wright, David, and Wright, G. S.
Published: 2015
Full Text: View/download PDF

48. Infrared Echoes near the Supernova Remnant Cassiopeia A

Author: Krause, Oliver, Rieke, George H., Birkmann, Stephan M., Cordon, Karl D., Egami, Eiichi, Bieging, John, Hughes, John P., Young, Erick T., Hinz, Joannah L., Quanz, Sascha P., and Hines, Dean C.
Published: 2005

49. Performance management

Author: Krause, Oliver, Mertins, Kai, Mertins, Kai, editor, Krause, Oliver, editor, and Schallock, Burkhard, editor
Published: 1999
Full Text: View/download PDF

50. (Si)GeSn Isothermal Multilayer Growth for Specific Applications Using GeH4 and Ge2H6

Author: Concepción Díaz, Omar, primary, Søgaard, Nicolaj Brink, additional, Krause, Oliver, additional, Bae, Jin Hee, additional, Brazda, Thorsten, additional, Tiedemann, Andreas T., additional, Zhao, Qing-Tai, additional, Grützmacher, Detlev, additional, and Buca, Dan, additional
Published: 2022
Full Text: View/download PDF

Catalog

Books, media, physical & digital resources

See catalog results

Searchworks

Select search scope, currently: Articles Catalog books, media & more in Jio Institute collections Articles journal articles & other e-resources

Search

Search Constraints

Refine your results

Search Limiters

Topic

Publication Year Range

Language

Publication Type

Journal

Database

Publisher

397 results on '"Krause, Oliver"'

Search Results

Catalog

Select search scope, currently: Articles

Catalog

books, media & more in Jio Institute collections

Articles

journal articles & other e-resources