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

Author

Abdurro'Uf, Abdurro'Uf, Accetta, K, Aerts, C, Silva Aguirre, V, Ahumada, R, Ajgaonkar, N, Filiz Ak, N, Alam, S, Allende Prieto, C, Almeida, A, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Ata, M, Aubert, M, Avila-Reese, V, Badenes, C, Barbá, RH, Barger, K, Barrera-Ballesteros, JK, Beaton, RL, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bidin, CM, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Boardman, NF, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Brandt, WN, Brown, J, Brownstein, JR, Brusa, M, Buchner, J, Bundy, K, Burchett, JN, Bureau, M, Burgasser, A, Cabang, TK, Campbell, S, Cappellari, M, Carlberg, JK, Wanderley, FC, Carrera, R, Cash, J, Chen, YP, Chen, WH, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, SD, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Da Costa, L, Covey, K, Crane, JD, Cruz-Gonzalez, I, Culhane, C, Cunha, K, Dai, YS, Damke, G, Darling, J, Davidson, JW, Davies, R, Dawson, K, De Lee, N, Diamond-Stanic, AM, Cano-Díaz, M, Sánchez, HD, Donor, J, Duckworth, C, Dwelly, T, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Fan, X, Farr, E, Feng, S, Fernández-Trincado, JG, Feuillet, D, Filipp, A, Fillingham, SP, Frinchaboy, PM, Abdurro'Uf, Abdurro'Uf, Accetta, K, Aerts, C, Silva Aguirre, V, Ahumada, R, Ajgaonkar, N, Filiz Ak, N, Alam, S, Allende Prieto, C, Almeida, A, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Ata, M, Aubert, M, Avila-Reese, V, Badenes, C, Barbá, RH, Barger, K, Barrera-Ballesteros, JK, Beaton, RL, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bidin, CM, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Boardman, NF, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Brandt, WN, Brown, J, Brownstein, JR, Brusa, M, Buchner, J, Bundy, K, Burchett, JN, Bureau, M, Burgasser, A, Cabang, TK, Campbell, S, Cappellari, M, Carlberg, JK, Wanderley, FC, Carrera, R, Cash, J, Chen, YP, Chen, WH, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, SD, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Da Costa, L, Covey, K, Crane, JD, Cruz-Gonzalez, I, Culhane, C, Cunha, K, Dai, YS, Damke, G, Darling, J, Davidson, JW, Davies, R, Dawson, K, De Lee, N, Diamond-Stanic, AM, Cano-Díaz, M, Sánchez, HD, Donor, J, Duckworth, C, Dwelly, T, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Fan, X, Farr, E, Feng, S, Fernández-Trincado, JG, Feuillet, D, Filipp, A, Fillingham, SP, and Frinchaboy, PM

Abstract

This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete release of the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, which reached its goal of surveying over 10,000 nearby galaxies. The complete release of the MaNGA Stellar Library accompanies this data, providing observations of almost 30,000 stars through the MaNGA instrument during bright time. DR17 also contains the complete release of the Apache Point Observatory Galactic Evolution Experiment 2 survey that publicly releases infrared spectra of over 650,000 stars. The main sample from the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), as well as the subsurvey Time Domain Spectroscopic Survey data were fully released in DR16. New single-fiber optical spectroscopy released in DR17 is from the SPectroscipic IDentification of ERosita Survey subsurvey and the eBOSS-RM program. Along with the primary data sets, DR17 includes 25 new or updated value-added catalogs. This paper concludes the release of SDSS-IV survey data. SDSS continues into its fifth phase with observations already underway for the Milky Way Mapper, Local Volume Mapper, and Black Hole Mapper surveys.

Published
2022

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

Author

Abdurro'Uf, Abdurro'Uf, Accetta, K, Aerts, C, Silva Aguirre, V, Ahumada, R, Ajgaonkar, N, Filiz Ak, N, Alam, S, Allende Prieto, C, Almeida, A, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Ata, M, Aubert, M, Avila-Reese, V, Badenes, C, Barbá, RH, Barger, K, Barrera-Ballesteros, JK, Beaton, RL, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bidin, CM, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Boardman, NF, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Brandt, WN, Brown, J, Brownstein, JR, Brusa, M, Buchner, J, Bundy, K, Burchett, JN, Bureau, M, Burgasser, A, Cabang, TK, Campbell, S, Cappellari, M, Carlberg, JK, Wanderley, FC, Carrera, R, Cash, J, Chen, YP, Chen, WH, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, SD, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Da Costa, L, Covey, K, Crane, JD, Cruz-Gonzalez, I, Culhane, C, Cunha, K, Dai, YS, Damke, G, Darling, J, Davidson, JW, Davies, R, Dawson, K, De Lee, N, Diamond-Stanic, AM, Cano-Díaz, M, Sánchez, HD, Donor, J, Duckworth, C, Dwelly, T, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Fan, X, Farr, E, Feng, S, Fernández-Trincado, JG, Feuillet, D, Filipp, A, Fillingham, SP, Frinchaboy, PM, Abdurro'Uf, Abdurro'Uf, Accetta, K, Aerts, C, Silva Aguirre, V, Ahumada, R, Ajgaonkar, N, Filiz Ak, N, Alam, S, Allende Prieto, C, Almeida, A, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Ata, M, Aubert, M, Avila-Reese, V, Badenes, C, Barbá, RH, Barger, K, Barrera-Ballesteros, JK, Beaton, RL, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bidin, CM, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Boardman, NF, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Brandt, WN, Brown, J, Brownstein, JR, Brusa, M, Buchner, J, Bundy, K, Burchett, JN, Bureau, M, Burgasser, A, Cabang, TK, Campbell, S, Cappellari, M, Carlberg, JK, Wanderley, FC, Carrera, R, Cash, J, Chen, YP, Chen, WH, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, SD, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Da Costa, L, Covey, K, Crane, JD, Cruz-Gonzalez, I, Culhane, C, Cunha, K, Dai, YS, Damke, G, Darling, J, Davidson, JW, Davies, R, Dawson, K, De Lee, N, Diamond-Stanic, AM, Cano-Díaz, M, Sánchez, HD, Donor, J, Duckworth, C, Dwelly, T, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Fan, X, Farr, E, Feng, S, Fernández-Trincado, JG, Feuillet, D, Filipp, A, Fillingham, SP, and Frinchaboy, PM

Abstract

This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete release of the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, which reached its goal of surveying over 10,000 nearby galaxies. The complete release of the MaNGA Stellar Library accompanies this data, providing observations of almost 30,000 stars through the MaNGA instrument during bright time. DR17 also contains the complete release of the Apache Point Observatory Galactic Evolution Experiment 2 survey that publicly releases infrared spectra of over 650,000 stars. The main sample from the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), as well as the subsurvey Time Domain Spectroscopic Survey data were fully released in DR16. New single-fiber optical spectroscopy released in DR17 is from the SPectroscipic IDentification of ERosita Survey subsurvey and the eBOSS-RM program. Along with the primary data sets, DR17 includes 25 new or updated value-added catalogs. This paper concludes the release of SDSS-IV survey data. SDSS continues into its fifth phase with observations already underway for the Milky Way Mapper, Local Volume Mapper, and Black Hole Mapper surveys.

Published
2022

3. The fourteenth data release of the sloan digital sky survey: First spectroscopic data from the extended baryon oscillation spectroscopic survey and from the second phase of the apache point observatory galactic evolution experiment

Author

Abolfathi, B, Abolfathi, B, Aguado, DS, Aguilar, G, Prieto, CA, Almeida, A, Ananna, TT, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Ata, M, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Balland, C, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bastien, F, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Bradna Diaz, CA, Nielsen Brandt, W, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Canãs, CI, Cano-Diáz, M, Cappellari, M, Carrera, R, Casey, AR, Sodi, BC, Chen, Y, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Do Nascimento, JC, Da Costa, L, Cousinou, MC, Covey, K, Crane, JD, Cruz-Gonzalez, I, Cunha, K, Ilha, GDS, Damke, GJ, Darling, J, Davidson, JW, Dawson, K, De Icaza Lizaola, MAC, MacOrra, ADL, De La Torre, S, De Lee, N, Sainte Agathe, VD, Deconto MacHado, A, Dell'Agli, F, Delubac, T, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Mas Des Bourboux, HD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Abolfathi, B, Abolfathi, B, Aguado, DS, Aguilar, G, Prieto, CA, Almeida, A, Ananna, TT, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Ata, M, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Balland, C, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bastien, F, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Bradna Diaz, CA, Nielsen Brandt, W, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Canãs, CI, Cano-Diáz, M, Cappellari, M, Carrera, R, Casey, AR, Sodi, BC, Chen, Y, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Do Nascimento, JC, Da Costa, L, Cousinou, MC, Covey, K, Crane, JD, Cruz-Gonzalez, I, Cunha, K, Ilha, GDS, Damke, GJ, Darling, J, Davidson, JW, Dawson, K, De Icaza Lizaola, MAC, MacOrra, ADL, De La Torre, S, De Lee, N, Sainte Agathe, VD, Deconto MacHado, A, Dell'Agli, F, Delubac, T, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Mas Des Bourboux, HD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Elsworth, YP, and Emsellem, E

Abstract

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since 2014 July. This paper describes the second data release from this phase, and the 14th from SDSS overall (making this Data Release Fourteen or DR14). This release makes the data taken by SDSS-IV in its first two years of operation (2014-2016 July) public. Like all previous SDSS releases, DR14 is cumulative, including the most recent reductions and calibrations of all data taken by SDSS since the first phase began operations in 2000. New in DR14 is the first public release of data from the extended Baryon Oscillation Spectroscopic Survey; the first data from the second phase of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE-2), including stellar parameter estimates from an innovative data-driven machine-learning algorithm known as "The Cannon"; and almost twice as many data cubes from the Mapping Nearby Galaxies at APO (MaNGA) survey as were in the previous release (N = 2812 in total). This paper describes the location and format of the publicly available data from the SDSS-IV surveys. We provide references to the important technical papers describing how these data have been taken (both targeting and observation details) and processed for scientific use. The SDSS web site (www.sdss.org) has been updated for this release and provides links to data downloads, as well as tutorials and examples of data use. SDSS-IV is planning to continue to collect astronomical data until 2020 and will be followed by SDSS-V.

Published
2018

4. The fourteenth data release of the sloan digital sky survey: First spectroscopic data from the extended baryon oscillation spectroscopic survey and from the second phase of the apache point observatory galactic evolution experiment

Author

Abolfathi, B, Abolfathi, B, Aguado, DS, Aguilar, G, Prieto, CA, Almeida, A, Ananna, TT, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Ata, M, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Balland, C, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bastien, F, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Bradna Diaz, CA, Nielsen Brandt, W, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Canãs, CI, Cano-Diáz, M, Cappellari, M, Carrera, R, Casey, AR, Sodi, BC, Chen, Y, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Do Nascimento, JC, Da Costa, L, Cousinou, MC, Covey, K, Crane, JD, Cruz-Gonzalez, I, Cunha, K, Ilha, GDS, Damke, GJ, Darling, J, Davidson, JW, Dawson, K, De Icaza Lizaola, MAC, MacOrra, ADL, De La Torre, S, De Lee, N, Sainte Agathe, VD, Deconto MacHado, A, Dell'Agli, F, Delubac, T, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Mas Des Bourboux, HD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Abolfathi, B, Abolfathi, B, Aguado, DS, Aguilar, G, Prieto, CA, Almeida, A, Ananna, TT, Anders, F, Anderson, SF, Andrews, BH, Anguiano, B, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Ata, M, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Balland, C, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bastien, F, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Bernardi, M, Bershady, MA, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, MR, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bovy, J, Bradna Diaz, CA, Nielsen Brandt, W, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Canãs, CI, Cano-Diáz, M, Cappellari, M, Carrera, R, Casey, AR, Sodi, BC, Chen, Y, Cherinka, B, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Do Nascimento, JC, Da Costa, L, Cousinou, MC, Covey, K, Crane, JD, Cruz-Gonzalez, I, Cunha, K, Ilha, GDS, Damke, GJ, Darling, J, Davidson, JW, Dawson, K, De Icaza Lizaola, MAC, MacOrra, ADL, De La Torre, S, De Lee, N, Sainte Agathe, VD, Deconto MacHado, A, Dell'Agli, F, Delubac, T, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Mas Des Bourboux, HD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Elsworth, YP, and Emsellem, E

Abstract

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since 2014 July. This paper describes the second data release from this phase, and the 14th from SDSS overall (making this Data Release Fourteen or DR14). This release makes the data taken by SDSS-IV in its first two years of operation (2014-2016 July) public. Like all previous SDSS releases, DR14 is cumulative, including the most recent reductions and calibrations of all data taken by SDSS since the first phase began operations in 2000. New in DR14 is the first public release of data from the extended Baryon Oscillation Spectroscopic Survey; the first data from the second phase of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE-2), including stellar parameter estimates from an innovative data-driven machine-learning algorithm known as "The Cannon"; and almost twice as many data cubes from the Mapping Nearby Galaxies at APO (MaNGA) survey as were in the previous release (N = 2812 in total). This paper describes the location and format of the publicly available data from the SDSS-IV surveys. We provide references to the important technical papers describing how these data have been taken (both targeting and observation details) and processed for scientific use. The SDSS web site (www.sdss.org) has been updated for this release and provides links to data downloads, as well as tutorials and examples of data use. SDSS-IV is planning to continue to collect astronomical data until 2020 and will be followed by SDSS-V.

Published
2018

5. Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe

Author

Blanton, MR, Blanton, MR, Bershady, MA, Abolfathi, B, Albareti, FD, Prieto, CA, Almeida, A, Alonso-García, J, Anders, F, Anderson, SF, Andrews, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Berlind, AA, Bernardi, M, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bosch, RVD, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Cappellari, M, Carigi, MLD, Carlberg, JK, Rosell, AC, Carrera, R, Chanover, NJ, Cherinka, B, Cheung, E, Chew, YGM, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comparat, J, Costa, LD, Cousinou, MC, Covey, K, Crane, JD, Croft, RAC, Cruz-Gonzalez, I, Cuadra, DG, Cunha, K, Damke, GJ, Darling, J, Davies, R, Dawson, K, Macorra, ADL, Dell'Agli, F, Lee, ND, Delubac, T, Mille, FD, Diamond-Stanic, A, Cano-Díaz, M, Donor, J, Downes, JJ, Drory, N, Bourboux, HDMD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Fan, X, Fernández-Alvar, E, Blanton, MR, Blanton, MR, Bershady, MA, Abolfathi, B, Albareti, FD, Prieto, CA, Almeida, A, Alonso-García, J, Anders, F, Anderson, SF, Andrews, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Berlind, AA, Bernardi, M, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bosch, RVD, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Cappellari, M, Carigi, MLD, Carlberg, JK, Rosell, AC, Carrera, R, Chanover, NJ, Cherinka, B, Cheung, E, Chew, YGM, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comparat, J, Costa, LD, Cousinou, MC, Covey, K, Crane, JD, Croft, RAC, Cruz-Gonzalez, I, Cuadra, DG, Cunha, K, Damke, GJ, Darling, J, Davies, R, Dawson, K, Macorra, ADL, Dell'Agli, F, Lee, ND, Delubac, T, Mille, FD, Diamond-Stanic, A, Cano-Díaz, M, Donor, J, Downes, JJ, Drory, N, Bourboux, HDMD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Fan, X, and Fernández-Alvar, E

Abstract

We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high resolution and high signal-to-noise ratios in the near-infrared. The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey is obtaining spatially resolved spectroscopy for thousands of nearby galaxies (median z ∼ 0.03). The extended Baryon Oscillation Spectroscopic Survey (eBOSS) is mapping the galaxy, quasar, and neutral gas distributions between z ~ 0.6 and 3.5 to constrain cosmology using baryon acoustic oscillations, redshift space distortions, and the shape of the power spectrum. Within eBOSS, we are conducting two major subprograms: the SPectroscopic IDentification of eROSITA Sources (SPIDERS), investigating X-ray AGNs and galaxies in X-ray clusters, and the Time Domain Spectroscopic Survey (TDSS), obtaining spectra of variable sources. All programs use the 2.5 m Sloan Foundation Telescope at the Apache Point Observatory; observations there began in Summer 2014. APOGEE-2 also operates a second near-infrared spectrograph at the 2.5 m du Pont Telescope at Las Campanas Observatory, with observations beginning in early 2017. Observations at both facilities are scheduled to continue through 2020. In keeping with previous SDSS policy, SDSS-IV provides regularly scheduled public data releases; the first one, Data Release 13, was made available in 2016 July.

Published
2017

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

Author

Albareti, FD, Albareti, FD, Prieto, CA, Almeida, A, Anders, F, Anderson, S, Andrews, BH, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barbuy, B, Barger, K, Barrera-Ballesteros, J, Bartosz, C, Basu, S, Bates, D, Battaglia, G, Baumgarten, F, Baur, J, Bautista, J, Beers, TC, Belfiore, F, Bershady, M, De Lis, SB, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, M, Blomqvist, M, Bolton, AS, Borissova, J, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burtin, E, Busca, NG, Chavez, HOC, Diaz, MC, Cappellari, M, Carrera, R, Chen, Y, Cherinka, B, Cheung, E, Chiappini, C, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Correa Do Nascimento, J, Cousinou, MC, Covey, K, Crane, JD, Croft, R, Cunha, K, Darling, J, Davidson, JW, Dawson, K, Da Costa, L, Da Silva Ilha, G, Machado, AD, Delubac, T, De Lee, N, De La Macorra, A, De La Torre, S, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Du, C, Du Mas Des Bourboux, H, Dwelly, T, Ebelke, G, Eigenbrot, A, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Falcón-Barroso, J, Fan, X, Favole, G, Fernandez-Alvar, E, Fernandez-Trincado, JG, Feuillet, D, Fleming, SW, Font-Ribera, A, Freischlad, G, Frinchaboy, P, Fu, H, Gao, Y, Albareti, FD, Albareti, FD, Prieto, CA, Almeida, A, Anders, F, Anderson, S, Andrews, BH, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barbuy, B, Barger, K, Barrera-Ballesteros, J, Bartosz, C, Basu, S, Bates, D, Battaglia, G, Baumgarten, F, Baur, J, Bautista, J, Beers, TC, Belfiore, F, Bershady, M, De Lis, SB, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, M, Blomqvist, M, Bolton, AS, Borissova, J, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burtin, E, Busca, NG, Chavez, HOC, Diaz, MC, Cappellari, M, Carrera, R, Chen, Y, Cherinka, B, Cheung, E, Chiappini, C, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Correa Do Nascimento, J, Cousinou, MC, Covey, K, Crane, JD, Croft, R, Cunha, K, Darling, J, Davidson, JW, Dawson, K, Da Costa, L, Da Silva Ilha, G, Machado, AD, Delubac, T, De Lee, N, De La Macorra, A, De La Torre, S, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Du, C, Du Mas Des Bourboux, H, Dwelly, T, Ebelke, G, Eigenbrot, A, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Falcón-Barroso, J, Fan, X, Favole, G, Fernandez-Alvar, E, Fernandez-Trincado, JG, Feuillet, D, Fleming, SW, Font-Ribera, A, Freischlad, G, Frinchaboy, P, Fu, H, and Gao, Y

Abstract

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ∼6 yr operations of SDSS-IV.

Published
2017

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

Author

Albareti, FD, Albareti, FD, Prieto, CA, Almeida, A, Anders, F, Anderson, S, Andrews, BH, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barbuy, B, Barger, K, Barrera-Ballesteros, J, Bartosz, C, Basu, S, Bates, D, Battaglia, G, Baumgarten, F, Baur, J, Bautista, J, Beers, TC, Belfiore, F, Bershady, M, De Lis, SB, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, M, Blomqvist, M, Bolton, AS, Borissova, J, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burtin, E, Busca, NG, Chavez, HOC, Diaz, MC, Cappellari, M, Carrera, R, Chen, Y, Cherinka, B, Cheung, E, Chiappini, C, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Correa Do Nascimento, J, Cousinou, MC, Covey, K, Crane, JD, Croft, R, Cunha, K, Darling, J, Davidson, JW, Dawson, K, Da Costa, L, Da Silva Ilha, G, Machado, AD, Delubac, T, De Lee, N, De La Macorra, A, De La Torre, S, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Du, C, Du Mas Des Bourboux, H, Dwelly, T, Ebelke, G, Eigenbrot, A, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Falcón-Barroso, J, Fan, X, Favole, G, Fernandez-Alvar, E, Fernandez-Trincado, JG, Feuillet, D, Fleming, SW, Font-Ribera, A, Freischlad, G, Frinchaboy, P, Fu, H, Gao, Y, Albareti, FD, Albareti, FD, Prieto, CA, Almeida, A, Anders, F, Anderson, S, Andrews, BH, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barbuy, B, Barger, K, Barrera-Ballesteros, J, Bartosz, C, Basu, S, Bates, D, Battaglia, G, Baumgarten, F, Baur, J, Bautista, J, Beers, TC, Belfiore, F, Bershady, M, De Lis, SB, Bird, JC, Bizyaev, D, Blanc, GA, Blanton, M, Blomqvist, M, Bolton, AS, Borissova, J, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burtin, E, Busca, NG, Chavez, HOC, Diaz, MC, Cappellari, M, Carrera, R, Chen, Y, Cherinka, B, Cheung, E, Chiappini, C, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comerford, JM, Comparat, J, Correa Do Nascimento, J, Cousinou, MC, Covey, K, Crane, JD, Croft, R, Cunha, K, Darling, J, Davidson, JW, Dawson, K, Da Costa, L, Da Silva Ilha, G, Machado, AD, Delubac, T, De Lee, N, De La Macorra, A, De La Torre, S, Diamond-Stanic, AM, Donor, J, Downes, JJ, Drory, N, Du, C, Du Mas Des Bourboux, H, Dwelly, T, Ebelke, G, Eigenbrot, A, Eisenstein, DJ, Elsworth, YP, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Falcón-Barroso, J, Fan, X, Favole, G, Fernandez-Alvar, E, Fernandez-Trincado, JG, Feuillet, D, Fleming, SW, Font-Ribera, A, Freischlad, G, Frinchaboy, P, Fu, H, and Gao, Y

Abstract

The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ∼6 yr operations of SDSS-IV.

Published
2017

8. Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe

Author

Blanton, MR, Blanton, MR, Bershady, MA, Abolfathi, B, Albareti, FD, Prieto, CA, Almeida, A, Alonso-García, J, Anders, F, Anderson, SF, Andrews, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Berlind, AA, Bernardi, M, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bosch, RVD, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Cappellari, M, Carigi, MLD, Carlberg, JK, Rosell, AC, Carrera, R, Chanover, NJ, Cherinka, B, Cheung, E, Chew, YGM, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comparat, J, Costa, LD, Cousinou, MC, Covey, K, Crane, JD, Croft, RAC, Cruz-Gonzalez, I, Cuadra, DG, Cunha, K, Damke, GJ, Darling, J, Davies, R, Dawson, K, Macorra, ADL, Dell'Agli, F, Lee, ND, Delubac, T, Mille, FD, Diamond-Stanic, A, Cano-Díaz, M, Donor, J, Downes, JJ, Drory, N, Bourboux, HDMD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Fan, X, Fernández-Alvar, E, Blanton, MR, Blanton, MR, Bershady, MA, Abolfathi, B, Albareti, FD, Prieto, CA, Almeida, A, Alonso-García, J, Anders, F, Anderson, SF, Andrews, B, Aquino-Ortíz, E, Aragón-Salamanca, A, Argudo-Fernández, M, Armengaud, E, Aubourg, E, Avila-Reese, V, Badenes, C, Bailey, S, Barger, KA, Barrera-Ballesteros, J, Bartosz, C, Bates, D, Baumgarten, F, Bautista, J, Beaton, R, Beers, TC, Belfiore, F, Bender, CF, Berlind, AA, Bernardi, M, Beutler, F, Bird, JC, Bizyaev, D, Blanc, GA, Blomqvist, M, Bolton, AS, Boquien, M, Borissova, J, Bosch, RVD, Bovy, J, Brandt, WN, Brinkmann, J, Brownstein, JR, Bundy, K, Burgasser, AJ, Burtin, E, Busca, NG, Cappellari, M, Carigi, MLD, Carlberg, JK, Rosell, AC, Carrera, R, Chanover, NJ, Cherinka, B, Cheung, E, Chew, YGM, Chiappini, C, Choi, PD, Chojnowski, D, Chuang, CH, Chung, H, Cirolini, RF, Clerc, N, Cohen, RE, Comparat, J, Costa, LD, Cousinou, MC, Covey, K, Crane, JD, Croft, RAC, Cruz-Gonzalez, I, Cuadra, DG, Cunha, K, Damke, GJ, Darling, J, Davies, R, Dawson, K, Macorra, ADL, Dell'Agli, F, Lee, ND, Delubac, T, Mille, FD, Diamond-Stanic, A, Cano-Díaz, M, Donor, J, Downes, JJ, Drory, N, Bourboux, HDMD, Duckworth, CJ, Dwelly, T, Dyer, J, Ebelke, G, Eigenbrot, AD, Eisenstein, DJ, Emsellem, E, Eracleous, M, Escoffier, S, Evans, ML, Fan, X, and Fernández-Alvar, E

Abstract

We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high resolution and high signal-to-noise ratios in the near-infrared. The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey is obtaining spatially resolved spectroscopy for thousands of nearby galaxies (median z ∼ 0.03). The extended Baryon Oscillation Spectroscopic Survey (eBOSS) is mapping the galaxy, quasar, and neutral gas distributions between z ~ 0.6 and 3.5 to constrain cosmology using baryon acoustic oscillations, redshift space distortions, and the shape of the power spectrum. Within eBOSS, we are conducting two major subprograms: the SPectroscopic IDentification of eROSITA Sources (SPIDERS), investigating X-ray AGNs and galaxies in X-ray clusters, and the Time Domain Spectroscopic Survey (TDSS), obtaining spectra of variable sources. All programs use the 2.5 m Sloan Foundation Telescope at the Apache Point Observatory; observations there began in Summer 2014. APOGEE-2 also operates a second near-infrared spectrograph at the 2.5 m du Pont Telescope at Las Campanas Observatory, with observations beginning in early 2017. Observations at both facilities are scheduled to continue through 2020. In keeping with previous SDSS policy, SDSS-IV provides regularly scheduled public data releases; the first one, Data Release 13, was made available in 2016 July.

Published
2017

9. THE ELEVENTH and TWELFTH DATA RELEASES of the SLOAN DIGITAL SKY SURVEY: FINAL DATA from SDSS-III

Author

Alam, S, Alam, S, Albareti, FD, Prieto, CA, Anders, F, Anderson, SF, Anderton, T, Andrews, BH, Armengaud, E, Aubourg, É, Bailey, S, Basu, S, Bautista, JE, Beaton, RL, Beers, TC, Bender, CF, Berlind, AA, Beutler, F, Bhardwaj, V, Bird, JC, Bizyaev, D, Blake, CH, Blanton, MR, Blomqvist, M, Bochanski, JJ, Bolton, AS, Bovy, J, Bradley, AS, Brandt, WN, Brauer, DE, Brinkmann, J, Brown, PJ, Brownstein, JR, Burden, A, Burtin, E, Busca, NG, Cai, Z, Capozzi, D, Rosell, AC, Carr, MA, Carrera, R, Chambers, KC, Chaplin, WJ, Chen, YC, Chiappini, C, Chojnowski, SD, Chuang, CH, Clerc, N, Comparat, J, Covey, K, Croft, RAC, Cuesta, AJ, Cunha, K, Costa, LND, Rio, ND, Davenport, JRA, Dawson, KS, Lee, ND, Delubac, T, Deshpande, R, Dhital, S, Dutra-Ferreira, L, Dwelly, T, Ealet, A, Ebelke, GL, Edmondson, EM, Eisenstein, DJ, Ellsworth, T, Elsworth, Y, Epstein, CR, Eracleous, M, Escoffier, S, Esposito, M, Evans, ML, Fan, X, Fernández-Alvar, E, Feuillet, D, Ak, NF, Finley, H, Finoguenov, A, Flaherty, K, Fleming, SW, Font-Ribera, A, Foster, J, Frinchaboy, PM, Galbraith-Frew, JG, García, RA, García-Hernández, DA, Pérez, AEG, Gaulme, P, Ge, J, Génova-Santos, R, Georgakakis, A, Ghezzi, L, Gillespie, BA, Girardi, L, Goddard, D, Gontcho, SGA, Hernández, JIG, Grebel, EK, Green, PJ, Alam, S, Alam, S, Albareti, FD, Prieto, CA, Anders, F, Anderson, SF, Anderton, T, Andrews, BH, Armengaud, E, Aubourg, É, Bailey, S, Basu, S, Bautista, JE, Beaton, RL, Beers, TC, Bender, CF, Berlind, AA, Beutler, F, Bhardwaj, V, Bird, JC, Bizyaev, D, Blake, CH, Blanton, MR, Blomqvist, M, Bochanski, JJ, Bolton, AS, Bovy, J, Bradley, AS, Brandt, WN, Brauer, DE, Brinkmann, J, Brown, PJ, Brownstein, JR, Burden, A, Burtin, E, Busca, NG, Cai, Z, Capozzi, D, Rosell, AC, Carr, MA, Carrera, R, Chambers, KC, Chaplin, WJ, Chen, YC, Chiappini, C, Chojnowski, SD, Chuang, CH, Clerc, N, Comparat, J, Covey, K, Croft, RAC, Cuesta, AJ, Cunha, K, Costa, LND, Rio, ND, Davenport, JRA, Dawson, KS, Lee, ND, Delubac, T, Deshpande, R, Dhital, S, Dutra-Ferreira, L, Dwelly, T, Ealet, A, Ebelke, GL, Edmondson, EM, Eisenstein, DJ, Ellsworth, T, Elsworth, Y, Epstein, CR, Eracleous, M, Escoffier, S, Esposito, M, Evans, ML, Fan, X, Fernández-Alvar, E, Feuillet, D, Ak, NF, Finley, H, Finoguenov, A, Flaherty, K, Fleming, SW, Font-Ribera, A, Foster, J, Frinchaboy, PM, Galbraith-Frew, JG, García, RA, García-Hernández, DA, Pérez, AEG, Gaulme, P, Ge, J, Génova-Santos, R, Georgakakis, A, Ghezzi, L, Gillespie, BA, Girardi, L, Goddard, D, Gontcho, SGA, Hernández, JIG, Grebel, EK, and Green, PJ

Abstract

The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fiber-fed optical spectrograph, a new near-infrared high-resolution spectrograph, and a novel optical interferometer. All of the data from SDSS-III are now made public. In particular, this paper describes Data Release 11 (DR11) including all data acquired through 2013 July, and Data Release 12 (DR12) adding data acquired through 2014 July (including all data included in previous data releases), marking the end of SDSS-III observing. Relative to our previous public release (DR10), DR12 adds one million new spectra of galaxies and quasars from the Baryon Oscillation Spectroscopic Survey (BOSS) over an additional 3000 deg2 of sky, more than triples the number of H-band spectra of stars as part of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE), and includes repeated accurate radial velocity measurements of 5500 stars from the Multi-object APO Radial Velocity Exoplanet Large-area Survey (MARVELS). The APOGEE outputs now include the measured abundances of 15 different elements for each star. In total, SDSS-III added 5200 deg2 of ugriz imaging; 155,520 spectra of 138,099 stars as part of the Sloan Exploration of Galactic Understanding and Evolution 2 (SEGUE-2) survey; 2,497,484 BOSS spectra of 1,372,737 galaxies, 294,512 quasars, and 247,216 stars over 9376 deg2; 618,080 APOGEE spectra of 156,593 stars; and 197,040 MARVELS spectra of 5513 stars. Since its first light in 1998, SDSS has imaged over 1/3 of the Celestial sphere in five bands and obtained over five million astronomical spectra.

Published
2015

10. THE ELEVENTH and TWELFTH DATA RELEASES of the SLOAN DIGITAL SKY SURVEY: FINAL DATA from SDSS-III

Author

Alam, S, Alam, S, Albareti, FD, Prieto, CA, Anders, F, Anderson, SF, Anderton, T, Andrews, BH, Armengaud, E, Aubourg, É, Bailey, S, Basu, S, Bautista, JE, Beaton, RL, Beers, TC, Bender, CF, Berlind, AA, Beutler, F, Bhardwaj, V, Bird, JC, Bizyaev, D, Blake, CH, Blanton, MR, Blomqvist, M, Bochanski, JJ, Bolton, AS, Bovy, J, Bradley, AS, Brandt, WN, Brauer, DE, Brinkmann, J, Brown, PJ, Brownstein, JR, Burden, A, Burtin, E, Busca, NG, Cai, Z, Capozzi, D, Rosell, AC, Carr, MA, Carrera, R, Chambers, KC, Chaplin, WJ, Chen, YC, Chiappini, C, Chojnowski, SD, Chuang, CH, Clerc, N, Comparat, J, Covey, K, Croft, RAC, Cuesta, AJ, Cunha, K, Costa, LND, Rio, ND, Davenport, JRA, Dawson, KS, Lee, ND, Delubac, T, Deshpande, R, Dhital, S, Dutra-Ferreira, L, Dwelly, T, Ealet, A, Ebelke, GL, Edmondson, EM, Eisenstein, DJ, Ellsworth, T, Elsworth, Y, Epstein, CR, Eracleous, M, Escoffier, S, Esposito, M, Evans, ML, Fan, X, Fernández-Alvar, E, Feuillet, D, Ak, NF, Finley, H, Finoguenov, A, Flaherty, K, Fleming, SW, Font-Ribera, A, Foster, J, Frinchaboy, PM, Galbraith-Frew, JG, García, RA, García-Hernández, DA, Pérez, AEG, Gaulme, P, Ge, J, Génova-Santos, R, Georgakakis, A, Ghezzi, L, Gillespie, BA, Girardi, L, Goddard, D, Gontcho, SGA, Hernández, JIG, Grebel, EK, Green, PJ, Alam, S, Alam, S, Albareti, FD, Prieto, CA, Anders, F, Anderson, SF, Anderton, T, Andrews, BH, Armengaud, E, Aubourg, É, Bailey, S, Basu, S, Bautista, JE, Beaton, RL, Beers, TC, Bender, CF, Berlind, AA, Beutler, F, Bhardwaj, V, Bird, JC, Bizyaev, D, Blake, CH, Blanton, MR, Blomqvist, M, Bochanski, JJ, Bolton, AS, Bovy, J, Bradley, AS, Brandt, WN, Brauer, DE, Brinkmann, J, Brown, PJ, Brownstein, JR, Burden, A, Burtin, E, Busca, NG, Cai, Z, Capozzi, D, Rosell, AC, Carr, MA, Carrera, R, Chambers, KC, Chaplin, WJ, Chen, YC, Chiappini, C, Chojnowski, SD, Chuang, CH, Clerc, N, Comparat, J, Covey, K, Croft, RAC, Cuesta, AJ, Cunha, K, Costa, LND, Rio, ND, Davenport, JRA, Dawson, KS, Lee, ND, Delubac, T, Deshpande, R, Dhital, S, Dutra-Ferreira, L, Dwelly, T, Ealet, A, Ebelke, GL, Edmondson, EM, Eisenstein, DJ, Ellsworth, T, Elsworth, Y, Epstein, CR, Eracleous, M, Escoffier, S, Esposito, M, Evans, ML, Fan, X, Fernández-Alvar, E, Feuillet, D, Ak, NF, Finley, H, Finoguenov, A, Flaherty, K, Fleming, SW, Font-Ribera, A, Foster, J, Frinchaboy, PM, Galbraith-Frew, JG, García, RA, García-Hernández, DA, Pérez, AEG, Gaulme, P, Ge, J, Génova-Santos, R, Georgakakis, A, Ghezzi, L, Gillespie, BA, Girardi, L, Goddard, D, Gontcho, SGA, Hernández, JIG, Grebel, EK, and Green, PJ

Abstract

The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fiber-fed optical spectrograph, a new near-infrared high-resolution spectrograph, and a novel optical interferometer. All of the data from SDSS-III are now made public. In particular, this paper describes Data Release 11 (DR11) including all data acquired through 2013 July, and Data Release 12 (DR12) adding data acquired through 2014 July (including all data included in previous data releases), marking the end of SDSS-III observing. Relative to our previous public release (DR10), DR12 adds one million new spectra of galaxies and quasars from the Baryon Oscillation Spectroscopic Survey (BOSS) over an additional 3000 deg2 of sky, more than triples the number of H-band spectra of stars as part of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE), and includes repeated accurate radial velocity measurements of 5500 stars from the Multi-object APO Radial Velocity Exoplanet Large-area Survey (MARVELS). The APOGEE outputs now include the measured abundances of 15 different elements for each star. In total, SDSS-III added 5200 deg2 of ugriz imaging; 155,520 spectra of 138,099 stars as part of the Sloan Exploration of Galactic Understanding and Evolution 2 (SEGUE-2) survey; 2,497,484 BOSS spectra of 1,372,737 galaxies, 294,512 quasars, and 247,216 stars over 9376 deg2; 618,080 APOGEE spectra of 156,593 stars; and 197,040 MARVELS spectra of 5513 stars. Since its first light in 1998, SDSS has imaged over 1/3 of the Celestial sphere in five bands and obtained over five million astronomical spectra.

Published
2015

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