The seventh data release of the sloan digital sky survey

Kevork N. Abazajian, Jennifer K. Adelman-Mccarthy, Marcel A. Agüeros, Sahar S. Allam, Carlos Allende Prieto, Deokkeun An, Kurt S.J. Anderson, Scott F. Anderson, James Annis, Neta A. Bahcall, C. A.L. Bailer-Jones, J. C. Barentine, Bruce A. Bassett, Andrew C. Becker, Timothy C. Beers, Eric F. Bell, Vasily Belokurov, Andreas A. Berlind, Eileen F. Berman, Mariangela Bernardi & 184 others Steven J. Bickerton, Dmitry Bizyaev, John P. Blakeslee, Michael R. Blanton, John J. Bochanski, William N. Boroski, Howard J. Brewington, Jarle Brinchmann, J. Brinkmann, Robert J. Brunner, Tams Budavri, Larry N. Carey, Samuel Carliles, Michael A. Carr, Francisco J. Castander, David Cinabro, A. J. Connolly, Istvn Csabai, Carlos E. Cunha, Paul C. Czarapata, James R.A. Davenport, Ernst De Haas, Ben Dilday, Mamoru Doi, Daniel J. Eisenstein, Michael L. Evans, N. W. Evans, Xiaohui Fan, Scott D. Friedman, Joshua A. Frieman, Masataka Fukugita, Boris T. Gänsicke, Evalyn Gates, Bruce Gillespie, G. Gilmore, Belinda Gonzalez, Carlos F. Gonzalez, Eva K. Grebel, James E. Gunn, Zsuzsanna Györy, Patrick B. Hall, Paul Harding, Frederick H. Harris, Michael Harvanek, Suzanne L. Hawley, Jeffrey J.E. Hayes, Timothy M. Heckman, John S. Hendry, Gregory S. Hennessy, Robert B. Hindsley, J. Hoblitt, Craig J. Hogan, David W. Hogg, Jon A. Holtzman, Joseph B. Hyde, Shin Ichi Ichikawa, Takashi Ichikawa, Myungshin Im, Eljko Ivezić, Sebastian Jester, Linhua Jiang, Jennifer A. Johnson, Anders M. Jorgensen, Mario Jurić, Stephen M. Kent, R. Kessler, S. J. Kleinman, G. R. Knapp, Kohki Konishi, Richard G. Kron, Jurek Krzesinski, Nikolay Kuropatkin, Hubert Lampeitl, Svetlana Lebedeva, Myung Gyoon Lee, Young Sun Lee, R. French Leger, Sébastien Lépine, Nolan Li, Marcos Lima, Huan Lin, Daniel C. Long, Craig P. Loomis, Jon Loveday, Robert H. Lupton, Eugene Magnier, Olena Malanushenko, Viktor Malanushenko, Rachel Mandelbaum, Bruce Margon, John P. Marriner, David Martínez-Delgado, Takahiko Matsubara, Peregrine M. McGehee, Timothy A. McKay, Avery Meiksin, Heather L. Morrison, Fergal Mullally, Jeffrey A. Munn, Tara Murphy, Thomas Nash, Ada Nebot, Eric H. Neilsen, Heidi Jo Newberg, Peter R. Newman, Robert C. Nichol, Tom Nicinski, Maria Nieto-Santisteban, Atsuko Nitta, Sadanori Okamura, Daniel J. Oravetz, Jeremiah P. Ostriker, Russell Owen, Nikhil Padmanabhan, Kaike Pan, Changbom Park, George Pauls, John Peoples, Will J. Percival, Jeffrey R. Pier, Adrian C. Pope, Dimitri Pourbaix, Paul A. Price, Norbert Purger, Thomas Quinn, M. Jordan Raddick, Paola Re Fiorentin, Gordon T. Richards, Michael W. Richmond, Adam G. Riess, Hans Walter Rix, Constance M. Rockosi, Masao Sako, David J. Schlegel, Donald P. Schneider, Ralf Dieter Scholz, Matthias R. Schreiber, Axel D. Schwope, Uroš Seljak, Branimir Sesar, Erin Sheldon, Kazu Shimasaku, Valena C. Sibley, A. E. Simmons, Thirupathi Sivarani, J. Allyn Smith, Martin C. Smith, Vernesa Smolić, Stephanie A. Snedden, Albert Stebbins, Matthias Steinmetz, Chris Stoughton, Michael A. Strauss, Mark Subbarao, Yasushi Suto, Alexander S. Szalay, Istvn Szapudi, Paula Szkody, Masayuki Tanaka, Max Tegmark, Luis F.A. Teodoro, Aniruddha R. Thakar, Christy A. Tremonti, Douglas L. Tucker, Alan Uomoto, Daniel E. Vanden Berk, Jan Vandenberg, S. Vidrih, Michael S. Vogeley, Wolfgang Voges, Nicole P. Vogt, Yogesh Wadadekar, Shannon Watters, David H. Weinberg, Andrew A. West, Simon D.M. White, Brian C. Wilhite, Alainna C. Wonders, Brian Yanny, D. R. Yocum, Donald G. York, Idit Zehavi, Stefano Zibetti, Daniel B. Zucker

Research output: Contribution to journalArticle

3207 Citations (Scopus)

Abstract

This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDSS-II. It includes 11,663deg2 of imaging data, with most of the 2000deg2 increment over the previous data release lying in regions of low Galactic latitude. The catalog contains five-band photometry for 357million distinct objects. The survey also includes repeat photometry on a 120° long, 25 wide stripe along the celestial equator in the Southern Galactic Cap, with some regions covered by as many as 90individual imaging runs. We include a co-addition of the best of these data, going roughly 2mag fainter than the main survey over 250deg2. The survey has completed spectroscopy over 9380deg2; the spectroscopy is now complete over a large contiguous area of the Northern Galactic Cap, closing the gap that was present in previous data releases. There are over 1.6million spectra in total, including 930,000galaxies, 120,000quasars, and 460,000stars. The data release includes improved stellar photometry at low Galactic latitude. The astrometry has all been recalibrated with the second version of the USNO CCD Astrograph Catalog, reducing the rms statistical errors at the bright end to 45milliarcseconds per coordinate. We further quantify a systematic error in bright galaxy photometry due to poor sky determination; this problem is less severe than previously reported for the majority of galaxies. Finally, we describe a series of improvements to the spectroscopic reductions, including better flat fielding and improved wavelength calibration at the blue end, better processing of objects with extremely strong narrow emission lines, and an improved determination of stellar metallicities.

Original languageEnglish (US)
Pages (from-to)543-558
Number of pages16
JournalAstrophysical Journal, Supplement Series
Volume182
Issue number2
DOIs
StatePublished - Jan 1 2009

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photometry
caps
catalogs
galaxies
astrometry
closing
equators
spectroscopy
systematic errors
marking
metallicity
sky
charge coupled devices
wavelengths
calibration
wavelength

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Abazajian, K. N., Adelman-Mccarthy, J. K., Agüeros, M. A., Allam, S. S., Allende Prieto, C., An, D., ... Zucker, D. B. (2009). The seventh data release of the sloan digital sky survey. Astrophysical Journal, Supplement Series, 182(2), 543-558. https://doi.org/10.1088/0067-0049/182/2/543
Abazajian, Kevork N. ; Adelman-Mccarthy, Jennifer K. ; Agüeros, Marcel A. ; Allam, Sahar S. ; Allende Prieto, Carlos ; An, Deokkeun ; Anderson, Kurt S.J. ; Anderson, Scott F. ; Annis, James ; Bahcall, Neta A. ; Bailer-Jones, C. A.L. ; Barentine, J. C. ; Bassett, Bruce A. ; Becker, Andrew C. ; Beers, Timothy C. ; Bell, Eric F. ; Belokurov, Vasily ; Berlind, Andreas A. ; Berman, Eileen F. ; Bernardi, Mariangela ; Bickerton, Steven J. ; Bizyaev, Dmitry ; Blakeslee, John P. ; Blanton, Michael R. ; Bochanski, John J. ; Boroski, William N. ; Brewington, Howard J. ; Brinchmann, Jarle ; Brinkmann, J. ; Brunner, Robert J. ; Budavri, Tams ; Carey, Larry N. ; Carliles, Samuel ; Carr, Michael A. ; Castander, Francisco J. ; Cinabro, David ; Connolly, A. J. ; Csabai, Istvn ; Cunha, Carlos E. ; Czarapata, Paul C. ; Davenport, James R.A. ; De Haas, Ernst ; Dilday, Ben ; Doi, Mamoru ; Eisenstein, Daniel J. ; Evans, Michael L. ; Evans, N. W. ; Fan, Xiaohui ; Friedman, Scott D. ; Frieman, Joshua A. ; Fukugita, Masataka ; Gänsicke, Boris T. ; Gates, Evalyn ; Gillespie, Bruce ; Gilmore, G. ; Gonzalez, Belinda ; Gonzalez, Carlos F. ; Grebel, Eva K. ; Gunn, James E. ; Györy, Zsuzsanna ; Hall, Patrick B. ; Harding, Paul ; Harris, Frederick H. ; Harvanek, Michael ; Hawley, Suzanne L. ; Hayes, Jeffrey J.E. ; Heckman, Timothy M. ; Hendry, John S. ; Hennessy, Gregory S. ; Hindsley, Robert B. ; Hoblitt, J. ; Hogan, Craig J. ; Hogg, David W. ; Holtzman, Jon A. ; Hyde, Joseph B. ; Ichikawa, Shin Ichi ; Ichikawa, Takashi ; Im, Myungshin ; Ivezić, Eljko ; Jester, Sebastian ; Jiang, Linhua ; Johnson, Jennifer A. ; Jorgensen, Anders M. ; Jurić, Mario ; Kent, Stephen M. ; Kessler, R. ; Kleinman, S. J. ; Knapp, G. R. ; Konishi, Kohki ; Kron, Richard G. ; Krzesinski, Jurek ; Kuropatkin, Nikolay ; Lampeitl, Hubert ; Lebedeva, Svetlana ; Lee, Myung Gyoon ; Lee, Young Sun ; Leger, R. French ; Lépine, Sébastien ; Li, Nolan ; Lima, Marcos ; Lin, Huan ; Long, Daniel C. ; Loomis, Craig P. ; Loveday, Jon ; Lupton, Robert H. ; Magnier, Eugene ; Malanushenko, Olena ; Malanushenko, Viktor ; Mandelbaum, Rachel ; Margon, Bruce ; Marriner, John P. ; Martínez-Delgado, David ; Matsubara, Takahiko ; McGehee, Peregrine M. ; McKay, Timothy A. ; Meiksin, Avery ; Morrison, Heather L. ; Mullally, Fergal ; Munn, Jeffrey A. ; Murphy, Tara ; Nash, Thomas ; Nebot, Ada ; Neilsen, Eric H. ; Newberg, Heidi Jo ; Newman, Peter R. ; Nichol, Robert C. ; Nicinski, Tom ; Nieto-Santisteban, Maria ; Nitta, Atsuko ; Okamura, Sadanori ; Oravetz, Daniel J. ; Ostriker, Jeremiah P. ; Owen, Russell ; Padmanabhan, Nikhil ; Pan, Kaike ; Park, Changbom ; Pauls, George ; Peoples, John ; Percival, Will J. ; Pier, Jeffrey R. ; Pope, Adrian C. ; Pourbaix, Dimitri ; Price, Paul A. ; Purger, Norbert ; Quinn, Thomas ; Raddick, M. Jordan ; Fiorentin, Paola Re ; Richards, Gordon T. ; Richmond, Michael W. ; Riess, Adam G. ; Rix, Hans Walter ; Rockosi, Constance M. ; Sako, Masao ; Schlegel, David J. ; Schneider, Donald P. ; Scholz, Ralf Dieter ; Schreiber, Matthias R. ; Schwope, Axel D. ; Seljak, Uroš ; Sesar, Branimir ; Sheldon, Erin ; Shimasaku, Kazu ; Sibley, Valena C. ; Simmons, A. E. ; Sivarani, Thirupathi ; Smith, J. Allyn ; Smith, Martin C. ; Smolić, Vernesa ; Snedden, Stephanie A. ; Stebbins, Albert ; Steinmetz, Matthias ; Stoughton, Chris ; Strauss, Michael A. ; Subbarao, Mark ; Suto, Yasushi ; Szalay, Alexander S. ; Szapudi, Istvn ; Szkody, Paula ; Tanaka, Masayuki ; Tegmark, Max ; Teodoro, Luis F.A. ; Thakar, Aniruddha R. ; Tremonti, Christy A. ; Tucker, Douglas L. ; Uomoto, Alan ; Vanden Berk, Daniel E. ; Vandenberg, Jan ; Vidrih, S. ; Vogeley, Michael S. ; Voges, Wolfgang ; Vogt, Nicole P. ; Wadadekar, Yogesh ; Watters, Shannon ; Weinberg, David H. ; West, Andrew A. ; White, Simon D.M. ; Wilhite, Brian C. ; Wonders, Alainna C. ; Yanny, Brian ; Yocum, D. R. ; York, Donald G. ; Zehavi, Idit ; Zibetti, Stefano ; Zucker, Daniel B. / The seventh data release of the sloan digital sky survey. In: Astrophysical Journal, Supplement Series. 2009 ; Vol. 182, No. 2. pp. 543-558.
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title = "The seventh data release of the sloan digital sky survey",
abstract = "This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDSS-II. It includes 11,663deg2 of imaging data, with most of the 2000deg2 increment over the previous data release lying in regions of low Galactic latitude. The catalog contains five-band photometry for 357million distinct objects. The survey also includes repeat photometry on a 120° long, 25 wide stripe along the celestial equator in the Southern Galactic Cap, with some regions covered by as many as 90individual imaging runs. We include a co-addition of the best of these data, going roughly 2mag fainter than the main survey over 250deg2. The survey has completed spectroscopy over 9380deg2; the spectroscopy is now complete over a large contiguous area of the Northern Galactic Cap, closing the gap that was present in previous data releases. There are over 1.6million spectra in total, including 930,000galaxies, 120,000quasars, and 460,000stars. The data release includes improved stellar photometry at low Galactic latitude. The astrometry has all been recalibrated with the second version of the USNO CCD Astrograph Catalog, reducing the rms statistical errors at the bright end to 45milliarcseconds per coordinate. We further quantify a systematic error in bright galaxy photometry due to poor sky determination; this problem is less severe than previously reported for the majority of galaxies. Finally, we describe a series of improvements to the spectroscopic reductions, including better flat fielding and improved wavelength calibration at the blue end, better processing of objects with extremely strong narrow emission lines, and an improved determination of stellar metallicities.",
author = "Abazajian, {Kevork N.} and Adelman-Mccarthy, {Jennifer K.} and Ag{\"u}eros, {Marcel A.} and Allam, {Sahar S.} and {Allende Prieto}, Carlos and Deokkeun An and Anderson, {Kurt S.J.} and Anderson, {Scott F.} and James Annis and Bahcall, {Neta A.} and Bailer-Jones, {C. A.L.} and Barentine, {J. C.} and Bassett, {Bruce A.} and Becker, {Andrew C.} and Beers, {Timothy C.} and Bell, {Eric F.} and Vasily Belokurov and Berlind, {Andreas A.} and Berman, {Eileen F.} and Mariangela Bernardi and Bickerton, {Steven J.} and Dmitry Bizyaev and Blakeslee, {John P.} and Blanton, {Michael R.} and Bochanski, {John J.} and Boroski, {William N.} and Brewington, {Howard J.} and Jarle Brinchmann and J. Brinkmann and Brunner, {Robert J.} and Tams Budavri and Carey, {Larry N.} and Samuel Carliles and Carr, {Michael A.} and Castander, {Francisco J.} and David Cinabro and Connolly, {A. J.} and Istvn Csabai and Cunha, {Carlos E.} and Czarapata, {Paul C.} and Davenport, {James R.A.} and {De Haas}, Ernst and Ben Dilday and Mamoru Doi and Eisenstein, {Daniel J.} and Evans, {Michael L.} and Evans, {N. W.} and Xiaohui Fan and Friedman, {Scott D.} and Frieman, {Joshua A.} and Masataka Fukugita and G{\"a}nsicke, {Boris T.} and Evalyn Gates and Bruce Gillespie and G. Gilmore and Belinda Gonzalez and Gonzalez, {Carlos F.} and Grebel, {Eva K.} and Gunn, {James E.} and Zsuzsanna Gy{\"o}ry and Hall, {Patrick B.} and Paul Harding and Harris, {Frederick H.} and Michael Harvanek and Hawley, {Suzanne L.} and Hayes, {Jeffrey J.E.} and Heckman, {Timothy M.} and Hendry, {John S.} and Hennessy, {Gregory S.} and Hindsley, {Robert B.} and J. Hoblitt and Hogan, {Craig J.} and Hogg, {David W.} and Holtzman, {Jon A.} and Hyde, {Joseph B.} and Ichikawa, {Shin Ichi} and Takashi Ichikawa and Myungshin Im and Eljko Ivezić and Sebastian Jester and Linhua Jiang and Johnson, {Jennifer A.} and Jorgensen, {Anders M.} and Mario Jurić and Kent, {Stephen M.} and R. Kessler and Kleinman, {S. J.} and Knapp, {G. R.} and Kohki Konishi and Kron, {Richard G.} and Jurek Krzesinski and Nikolay Kuropatkin and Hubert Lampeitl and Svetlana Lebedeva and Lee, {Myung Gyoon} and Lee, {Young Sun} and Leger, {R. French} and S{\'e}bastien L{\'e}pine and Nolan Li and Marcos Lima and Huan Lin and Long, {Daniel C.} and Loomis, {Craig P.} and Jon Loveday and Lupton, {Robert H.} and Eugene Magnier and Olena Malanushenko and Viktor Malanushenko and Rachel Mandelbaum and Bruce Margon and Marriner, {John P.} and David Mart{\'i}nez-Delgado and Takahiko Matsubara and McGehee, {Peregrine M.} and McKay, {Timothy A.} and Avery Meiksin and Morrison, {Heather L.} and Fergal Mullally and Munn, {Jeffrey A.} and Tara Murphy and Thomas Nash and Ada Nebot and Neilsen, {Eric H.} and Newberg, {Heidi Jo} and Newman, {Peter R.} and Nichol, {Robert C.} and Tom Nicinski and Maria Nieto-Santisteban and Atsuko Nitta and Sadanori Okamura and Oravetz, {Daniel J.} and Ostriker, {Jeremiah P.} and Russell Owen and Nikhil Padmanabhan and Kaike Pan and Changbom Park and George Pauls and John Peoples and Percival, {Will J.} and Pier, {Jeffrey R.} and Pope, {Adrian C.} and Dimitri Pourbaix and Price, {Paul A.} and Norbert Purger and Thomas Quinn and Raddick, {M. Jordan} and Fiorentin, {Paola Re} and Richards, {Gordon T.} and Richmond, {Michael W.} and Riess, {Adam G.} and Rix, {Hans Walter} and Rockosi, {Constance M.} and Masao Sako and Schlegel, {David J.} and Schneider, {Donald P.} and Scholz, {Ralf Dieter} and Schreiber, {Matthias R.} and Schwope, {Axel D.} and Uroš Seljak and Branimir Sesar and Erin Sheldon and Kazu Shimasaku and Sibley, {Valena C.} and Simmons, {A. E.} and Thirupathi Sivarani and Smith, {J. Allyn} and Smith, {Martin C.} and Vernesa Smolić and Snedden, {Stephanie A.} and Albert Stebbins and Matthias Steinmetz and Chris Stoughton and Strauss, {Michael A.} and Mark Subbarao and Yasushi Suto and Szalay, {Alexander S.} and Istvn Szapudi and Paula Szkody and Masayuki Tanaka and Max Tegmark and Teodoro, {Luis F.A.} and Thakar, {Aniruddha R.} and Tremonti, {Christy A.} and Tucker, {Douglas L.} and Alan Uomoto and {Vanden Berk}, {Daniel E.} and Jan Vandenberg and S. Vidrih and Vogeley, {Michael S.} and Wolfgang Voges and Vogt, {Nicole P.} and Yogesh Wadadekar and Shannon Watters and Weinberg, {David H.} and West, {Andrew A.} and White, {Simon D.M.} and Wilhite, {Brian C.} and Wonders, {Alainna C.} and Brian Yanny and Yocum, {D. R.} and York, {Donald G.} and Idit Zehavi and Stefano Zibetti and Zucker, {Daniel B.}",
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Abazajian, KN, Adelman-Mccarthy, JK, Agüeros, MA, Allam, SS, Allende Prieto, C, An, D, Anderson, KSJ, Anderson, SF, Annis, J, Bahcall, NA, Bailer-Jones, CAL, Barentine, JC, Bassett, BA, Becker, AC, Beers, TC, Bell, EF, Belokurov, V, Berlind, AA, Berman, EF, Bernardi, M, Bickerton, SJ, Bizyaev, D, Blakeslee, JP, Blanton, MR, Bochanski, JJ, Boroski, WN, Brewington, HJ, Brinchmann, J, Brinkmann, J, Brunner, RJ, Budavri, T, Carey, LN, Carliles, S, Carr, MA, Castander, FJ, Cinabro, D, Connolly, AJ, Csabai, I, Cunha, CE, Czarapata, PC, Davenport, JRA, De Haas, E, Dilday, B, Doi, M, Eisenstein, DJ, Evans, ML, Evans, NW, Fan, X, Friedman, SD, Frieman, JA, Fukugita, M, Gänsicke, BT, Gates, E, Gillespie, B, Gilmore, G, Gonzalez, B, Gonzalez, CF, Grebel, EK, Gunn, JE, Györy, Z, Hall, PB, Harding, P, Harris, FH, Harvanek, M, Hawley, SL, Hayes, JJE, Heckman, TM, Hendry, JS, Hennessy, GS, Hindsley, RB, Hoblitt, J, Hogan, CJ, Hogg, DW, Holtzman, JA, Hyde, JB, Ichikawa, SI, Ichikawa, T, Im, M, Ivezić, E, Jester, S, Jiang, L, Johnson, JA, Jorgensen, AM, Jurić, M, Kent, SM, Kessler, R, Kleinman, SJ, Knapp, GR, Konishi, K, Kron, RG, Krzesinski, J, Kuropatkin, N, Lampeitl, H, Lebedeva, S, Lee, MG, Lee, YS, Leger, RF, Lépine, S, Li, N, Lima, M, Lin, H, Long, DC, Loomis, CP, Loveday, J, Lupton, RH, Magnier, E, Malanushenko, O, Malanushenko, V, Mandelbaum, R, Margon, B, Marriner, JP, Martínez-Delgado, D, Matsubara, T, McGehee, PM, McKay, TA, Meiksin, A, Morrison, HL, Mullally, F, Munn, JA, Murphy, T, Nash, T, Nebot, A, Neilsen, EH, Newberg, HJ, Newman, PR, Nichol, RC, Nicinski, T, Nieto-Santisteban, M, Nitta, A, Okamura, S, Oravetz, DJ, Ostriker, JP, Owen, R, Padmanabhan, N, Pan, K, Park, C, Pauls, G, Peoples, J, Percival, WJ, Pier, JR, Pope, AC, Pourbaix, D, Price, PA, Purger, N, Quinn, T, Raddick, MJ, Fiorentin, PR, Richards, GT, Richmond, MW, Riess, AG, Rix, HW, Rockosi, CM, Sako, M, Schlegel, DJ, Schneider, DP, Scholz, RD, Schreiber, MR, Schwope, AD, Seljak, U, Sesar, B, Sheldon, E, Shimasaku, K, Sibley, VC, Simmons, AE, Sivarani, T, Smith, JA, Smith, MC, Smolić, V, Snedden, SA, Stebbins, A, Steinmetz, M, Stoughton, C, Strauss, MA, Subbarao, M, Suto, Y, Szalay, AS, Szapudi, I, Szkody, P, Tanaka, M, Tegmark, M, Teodoro, LFA, Thakar, AR, Tremonti, CA, Tucker, DL, Uomoto, A, Vanden Berk, DE, Vandenberg, J, Vidrih, S, Vogeley, MS, Voges, W, Vogt, NP, Wadadekar, Y, Watters, S, Weinberg, DH, West, AA, White, SDM, Wilhite, BC, Wonders, AC, Yanny, B, Yocum, DR, York, DG, Zehavi, I, Zibetti, S & Zucker, DB 2009, 'The seventh data release of the sloan digital sky survey', Astrophysical Journal, Supplement Series, vol. 182, no. 2, pp. 543-558. https://doi.org/10.1088/0067-0049/182/2/543

The seventh data release of the sloan digital sky survey. / Abazajian, Kevork N.; Adelman-Mccarthy, Jennifer K.; Agüeros, Marcel A.; Allam, Sahar S.; Allende Prieto, Carlos; An, Deokkeun; Anderson, Kurt S.J.; Anderson, Scott F.; Annis, James; Bahcall, Neta A.; Bailer-Jones, C. A.L.; Barentine, J. C.; Bassett, Bruce A.; Becker, Andrew C.; Beers, Timothy C.; Bell, Eric F.; Belokurov, Vasily; Berlind, Andreas A.; Berman, Eileen F.; Bernardi, Mariangela; Bickerton, Steven J.; Bizyaev, Dmitry; Blakeslee, John P.; Blanton, Michael R.; Bochanski, John J.; Boroski, William N.; Brewington, Howard J.; Brinchmann, Jarle; Brinkmann, J.; Brunner, Robert J.; Budavri, Tams; Carey, Larry N.; Carliles, Samuel; Carr, Michael A.; Castander, Francisco J.; Cinabro, David; Connolly, A. J.; Csabai, Istvn; Cunha, Carlos E.; Czarapata, Paul C.; Davenport, James R.A.; De Haas, Ernst; Dilday, Ben; Doi, Mamoru; Eisenstein, Daniel J.; Evans, Michael L.; Evans, N. W.; Fan, Xiaohui; Friedman, Scott D.; Frieman, Joshua A.; Fukugita, Masataka; Gänsicke, Boris T.; Gates, Evalyn; Gillespie, Bruce; Gilmore, G.; Gonzalez, Belinda; Gonzalez, Carlos F.; Grebel, Eva K.; Gunn, James E.; Györy, Zsuzsanna; Hall, Patrick B.; Harding, Paul; Harris, Frederick H.; Harvanek, Michael; Hawley, Suzanne L.; Hayes, Jeffrey J.E.; Heckman, Timothy M.; Hendry, John S.; Hennessy, Gregory S.; Hindsley, Robert B.; Hoblitt, J.; Hogan, Craig J.; Hogg, David W.; Holtzman, Jon A.; Hyde, Joseph B.; Ichikawa, Shin Ichi; Ichikawa, Takashi; Im, Myungshin; Ivezić, Eljko; Jester, Sebastian; Jiang, Linhua; Johnson, Jennifer A.; Jorgensen, Anders M.; Jurić, Mario; Kent, Stephen M.; Kessler, R.; Kleinman, S. J.; Knapp, G. R.; Konishi, Kohki; Kron, Richard G.; Krzesinski, Jurek; Kuropatkin, Nikolay; Lampeitl, Hubert; Lebedeva, Svetlana; Lee, Myung Gyoon; Lee, Young Sun; Leger, R. French; Lépine, Sébastien; Li, Nolan; Lima, Marcos; Lin, Huan; Long, Daniel C.; Loomis, Craig P.; Loveday, Jon; Lupton, Robert H.; Magnier, Eugene; Malanushenko, Olena; Malanushenko, Viktor; Mandelbaum, Rachel; Margon, Bruce; Marriner, John P.; Martínez-Delgado, David; Matsubara, Takahiko; McGehee, Peregrine M.; McKay, Timothy A.; Meiksin, Avery; Morrison, Heather L.; Mullally, Fergal; Munn, Jeffrey A.; Murphy, Tara; Nash, Thomas; Nebot, Ada; Neilsen, Eric H.; Newberg, Heidi Jo; Newman, Peter R.; Nichol, Robert C.; Nicinski, Tom; Nieto-Santisteban, Maria; Nitta, Atsuko; Okamura, Sadanori; Oravetz, Daniel J.; Ostriker, Jeremiah P.; Owen, Russell; Padmanabhan, Nikhil; Pan, Kaike; Park, Changbom; Pauls, George; Peoples, John; Percival, Will J.; Pier, Jeffrey R.; Pope, Adrian C.; Pourbaix, Dimitri; Price, Paul A.; Purger, Norbert; Quinn, Thomas; Raddick, M. Jordan; Fiorentin, Paola Re; Richards, Gordon T.; Richmond, Michael W.; Riess, Adam G.; Rix, Hans Walter; Rockosi, Constance M.; Sako, Masao; Schlegel, David J.; Schneider, Donald P.; Scholz, Ralf Dieter; Schreiber, Matthias R.; Schwope, Axel D.; Seljak, Uroš; Sesar, Branimir; Sheldon, Erin; Shimasaku, Kazu; Sibley, Valena C.; Simmons, A. E.; Sivarani, Thirupathi; Smith, J. Allyn; Smith, Martin C.; Smolić, Vernesa; Snedden, Stephanie A.; Stebbins, Albert; Steinmetz, Matthias; Stoughton, Chris; Strauss, Michael A.; Subbarao, Mark; Suto, Yasushi; Szalay, Alexander S.; Szapudi, Istvn; Szkody, Paula; Tanaka, Masayuki; Tegmark, Max; Teodoro, Luis F.A.; Thakar, Aniruddha R.; Tremonti, Christy A.; Tucker, Douglas L.; Uomoto, Alan; Vanden Berk, Daniel E.; Vandenberg, Jan; Vidrih, S.; Vogeley, Michael S.; Voges, Wolfgang; Vogt, Nicole P.; Wadadekar, Yogesh; Watters, Shannon; Weinberg, David H.; West, Andrew A.; White, Simon D.M.; Wilhite, Brian C.; Wonders, Alainna C.; Yanny, Brian; Yocum, D. R.; York, Donald G.; Zehavi, Idit; Zibetti, Stefano; Zucker, Daniel B.

In: Astrophysical Journal, Supplement Series, Vol. 182, No. 2, 01.01.2009, p. 543-558.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The seventh data release of the sloan digital sky survey

AU - Abazajian, Kevork N.

AU - Adelman-Mccarthy, Jennifer K.

AU - Agüeros, Marcel A.

AU - Allam, Sahar S.

AU - Allende Prieto, Carlos

AU - An, Deokkeun

AU - Anderson, Kurt S.J.

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PY - 2009/1/1

Y1 - 2009/1/1

N2 - This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDSS-II. It includes 11,663deg2 of imaging data, with most of the 2000deg2 increment over the previous data release lying in regions of low Galactic latitude. The catalog contains five-band photometry for 357million distinct objects. The survey also includes repeat photometry on a 120° long, 25 wide stripe along the celestial equator in the Southern Galactic Cap, with some regions covered by as many as 90individual imaging runs. We include a co-addition of the best of these data, going roughly 2mag fainter than the main survey over 250deg2. The survey has completed spectroscopy over 9380deg2; the spectroscopy is now complete over a large contiguous area of the Northern Galactic Cap, closing the gap that was present in previous data releases. There are over 1.6million spectra in total, including 930,000galaxies, 120,000quasars, and 460,000stars. The data release includes improved stellar photometry at low Galactic latitude. The astrometry has all been recalibrated with the second version of the USNO CCD Astrograph Catalog, reducing the rms statistical errors at the bright end to 45milliarcseconds per coordinate. We further quantify a systematic error in bright galaxy photometry due to poor sky determination; this problem is less severe than previously reported for the majority of galaxies. Finally, we describe a series of improvements to the spectroscopic reductions, including better flat fielding and improved wavelength calibration at the blue end, better processing of objects with extremely strong narrow emission lines, and an improved determination of stellar metallicities.

AB - This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDSS-II. It includes 11,663deg2 of imaging data, with most of the 2000deg2 increment over the previous data release lying in regions of low Galactic latitude. The catalog contains five-band photometry for 357million distinct objects. The survey also includes repeat photometry on a 120° long, 25 wide stripe along the celestial equator in the Southern Galactic Cap, with some regions covered by as many as 90individual imaging runs. We include a co-addition of the best of these data, going roughly 2mag fainter than the main survey over 250deg2. The survey has completed spectroscopy over 9380deg2; the spectroscopy is now complete over a large contiguous area of the Northern Galactic Cap, closing the gap that was present in previous data releases. There are over 1.6million spectra in total, including 930,000galaxies, 120,000quasars, and 460,000stars. The data release includes improved stellar photometry at low Galactic latitude. The astrometry has all been recalibrated with the second version of the USNO CCD Astrograph Catalog, reducing the rms statistical errors at the bright end to 45milliarcseconds per coordinate. We further quantify a systematic error in bright galaxy photometry due to poor sky determination; this problem is less severe than previously reported for the majority of galaxies. Finally, we describe a series of improvements to the spectroscopic reductions, including better flat fielding and improved wavelength calibration at the blue end, better processing of objects with extremely strong narrow emission lines, and an improved determination of stellar metallicities.

UR - http://www.scopus.com/inward/record.url?scp=67649661953&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=67649661953&partnerID=8YFLogxK

U2 - 10.1088/0067-0049/182/2/543

DO - 10.1088/0067-0049/182/2/543

M3 - Article

VL - 182

SP - 543

EP - 558

JO - Astrophysical Journal, Supplement Series

JF - Astrophysical Journal, Supplement Series

SN - 0067-0049

IS - 2

ER -

Abazajian KN, Adelman-Mccarthy JK, Agüeros MA, Allam SS, Allende Prieto C, An D et al. The seventh data release of the sloan digital sky survey. Astrophysical Journal, Supplement Series. 2009 Jan 1;182(2):543-558. https://doi.org/10.1088/0067-0049/182/2/543