Journal article
The Sixth Data Release of the Sloan Digital Sky Survey
The Astrophysical journal. Supplement series, v 175(2)
01 Apr 2008
Abstract
This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and parameters of roughly 287 million objects over 9583 deg(2), including scans over a large range of Galactic latitudes and longitudes. The survey also includes 1.27 million spectra of stars, galaxies, quasars, and blank sky ( for sky subtraction) selected over 7425 deg2. This release includes much more stellar spectroscopy than was available in previous data releases and also includes detailed estimates of stellar temperatures, gravities, and metallicities. The results of improved photometric calibration are now available, with uncertainties of roughly 1% in g, r, i, and z, and 2% in u, substantially better than the uncertainties in previous data releases. The spectra in this data release have improved wavelength and flux calibration, especially in the extreme blue and extreme red, leading to the qualitatively better determination of stellar types and radial velocities. The spectrophotometric fluxes are now tied to point-spread function magnitudes of stars rather than fiber magnitudes. This gives more robust results in the presence of seeing variations, but also implies a change in the spectrophotometric scale, which is now brighter by roughly 0.35 mag. Systematic errors in the velocity dispersions of galaxies have been fixed, and the results of two independent codes for determining spectral classifications and red-shifts are made available. Additional spectral outputs are made available, including calibrated spectra from individual 15 minute exposures and the sky spectrum subtracted from each exposure. We also quantify a recently recognized underestimation of the brightnesses of galaxies of large angular extent due to poor sky subtraction; the bias can exceed 0.2 mag for galaxies brighter than r = 14 mag.
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Details
- Title
- The Sixth Data Release of the Sloan Digital Sky Survey
- Creators
- Jennifer K. Adelman-McCarthy - FermilabMarcel A. Agueros - Columbia UniversitySahar S. Allam - University of WyomingCarlos Allende Prieto - The University of Texas at AustinKurt S. J. Anderson - New Mexico State UniversityScott F. Anderson - University of WashingtonJames Annis - FermilabNeta A. Bahcall - Princeton UniversityC. A. L. Bailer-Jones - Max Planck SocietyIvan K. Baldry - Liverpool John Moores UniversityJ. C. Barentine - The University of Texas at AustinBruce A. Bassett - University of Cape TownAndrew C. Becker - University of WashingtonTimothy C. Beers - Michigan State UniversityEric F. Bell - Max Planck SocietyAndreas A. Berlind - New York UniversityMariangela Bernardi - University of PennsylvaniaMichael R. Blanton - New York UniversityJohn J. Bochanski - University of WashingtonWilliam N. Boroski - FermilabJarle Brinchmann - University of PortoJ. Brinkmann - New Mexico State UniversityRobert J. Brunner - University of Illinois Urbana-ChampaignTamas Budavari - Johns Hopkins UniversitySamuel Carliles - Johns Hopkins UniversityMichael A. Carr - Princeton UniversityFrancisco J. Castander - Spanish National Research CouncilDavid Cinabro - Wayne State UniversityR. J. Cool - University of ArizonaKevin R. Covey - Harvard UniversityIstvan Csabai - Eötvös Loránd UniversityCarlos E. Cunha - University of ChicagoJames R. A. Davenport - University of WashingtonBen Dilday - University of ChicagoMamoru Doi - University of TokyoDaniel J. Eisenstein - University of ArizonaMichael L. Evans - University of WashingtonXiaohui Fan - University of ArizonaDouglas P. Finkbeiner - Harvard UniversityScott D. Friedman - Space Telescope Science InstituteJoshua A. Frieman - University of ChicagoMasataka Fukugita - University of TokyoBoris T. Gansicke - University of WarwickEvalyn Gates - University of ChicagoBruce Gillespie - New Mexico State UniversityKarl Glazebrook - Swinburne University of TechnologyJim Gray - MicrosoftEva K. Grebel - University of BaselJames E. Gunn - Princeton UniversityVijay K. Gurbani - FermilabPatrick B. Hall - York UniversityPaul Harding - Case Western Reserve UniversityMichael Harvanek - Lowell ObservatorySuzanne L. Hawley - University of WashingtonJeffrey Hayes - Catholic Univ Amer, Inst Astron & Computat Sci, Dept Phys, Washington, DC 20064 USATimothy M. Heckman - Johns Hopkins UniversityJohn S. Hendry - FermilabRobert B. Hindsley - United States Naval Research LaboratoryChristopher M. Hirata - Inst Adv Study, Princeton, NJ 08540 USACraig J. Hogan - University of WashingtonDavid W. Hogg - New York UniversityJoseph B. Hyde - University of PennsylvaniaShin-ichi Ichikawa - National Institutes of Natural SciencesZeljko Ivezic - University of WashingtonSebastian Jester - Max Planck SocietyJennifer A. Johnson - The Ohio State UniversityAnders M. Jorgensen - New Mexico Institute of Mining and TechnologyMario Juric - Inst Adv Study, Princeton, NJ 08540 USAStephen M. Kent - FermilabR. Kessler - University of ChicagoS. J. Kleinman - Gemini Observ, Hilo, HI 96720 USAG. R. Knapp - Princeton UniversityRichard G. Kron - University of ChicagoJurek Krzesinski - New Mexico State UniversityNikolay Kuropatkin - FermilabDonald Q. Lamb - University of ChicagoHubert Lampeitl - Space Telescope Science InstituteSvetlana Lebedeva - FermilabYoung Sun Lee - Michigan State Univ, Dept Phys & Astrophys, CSCE, E Lansing, MI 48824 USAR. French Leger - FermilabSebastien Lepine - American Museum of Natural HistoryMarcos Lima - Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USAHuan Lin - FermilabDaniel C. Long - Apache Point Observ, Sunspot, NM 88349 USACraig P. Loomis - Princeton UniversityJon Loveday - University of SussexRobert H. Lupton - Princeton UniversityOlena Malanushenko - New Mexico State UniversityViktor Malanushenko - New Mexico State UniversityRachel Mandelbaum - Inst Adv Study, Princeton, NJ 08540 USABruce Margon - University of California, Santa CruzJohn P. Marriner - FermilabDavid Martinez-Delgado - Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, SpainTakahiko Matsubara - Nagoya UniversityPeregrine M. McGehee - California Institute of TechnologyTimothy A. McKay - University of Michigan–Ann ArborAvery Meiksin - University of EdinburghHeather L. Morrison - Case Western Reserve UniversityJeffrey A. Munn - United States Department of the NavyReiko Nakajima - University of PennsylvaniaEric H. Neilsen - Fermilab Natl Accelerator Lab, Batavia, IL 60510 USAHeidi Jo Newberg - Rensselaer Polytechnic InstituteRobert C. Nichol - University of PortsmouthTom Nicinski - FermilabMaria Nieto-Santisteban - Johns Hopkins UniversityAtsuko Nitta - Gemini Observ, Hilo, HI 96720 USASadanori Okamura - University of TokyoRussell Owen - University of WashingtonHiroaki Oyaizu - University of ChicagoNikhil Padmanabhan - Lawrence Berkeley National LaboratoryKaike Pan - New Mexico State UniversityChangbom Park - Korea Institute for Advanced StudyJohn Peoples - FermilabJeffrey R. Pier - United States Department of the NavyAdrian C. Pope - University of Hawaii at ManoaNorbert Purger - Eötvös Loránd UniversityM. Jordan Raddick - Johns Hopkins UniversityPaola Re Fiorentin - Max Planck SocietyGordon T. Richards - Drexel UniversityMichael W. Richmond - Rochester Institute of TechnologyAdam G. Riess - Johns Hopkins UniversityHans-Walter Rix - Max Planck SocietyConstance M. Rockosi - University of California, Santa CruzMasao Sako - University of PennsylvaniaDavid J. Schlegel - Lawrence Berkeley National LaboratoryDonald P. Schneider - Pennsylvania State UniversityMatthias R. Schreiber - Valparaiso UniversityAxel D. Schwope - Leibniz Institute for Astrophysics PotsdamUros Seljak - Princeton UniversityBranimir Sesar - University of WashingtonErin Sheldon - University of ChicagoKazu Shimasaku - University of TokyoThirupathi Sivarani - Michigan State UniversityJ. Allyn Smith - Austin Peay State UniversityStephanie A. Snedden - New Mexico State UniversityMatthias Steinmetz - Leibniz Institute for Astrophysics PotsdamMichael A. Strauss - Princeton UniversityMark SubbaRao - University of ChicagoYasushi Suto - University of TokyoAlexander S. Szalay - Johns Hopkins UniversityIstvan Szapudi - University of Hawaii at ManoaPaula Szkody - University of WashingtonMax Tegmark - Massachusetts Institute of TechnologyAniruddha R. Thakar - Johns Hopkins UniversityChristy A. Tremonti - University of ArizonaDouglas L. Tucker - FermilabAlan Uomoto - Carnegie Institution for ScienceDaniel E. Vanden Berk - Pennsylvania State UniversityJan Vandenberg - Johns Hopkins UniversityS. Vidrih - University of CambridgeMichael S. Vogeley - Drexel UniversityWolfgang Voges - Max Planck SocietyNicole P. Vogt - New Mexico State UniversityYogesh Wadadekar - Princeton UniversityDavid H. Weinberg - The Ohio State UniversityAndrew A. West - University of California, BerkeleySimon D. M. White - Max Planck SocietyBrian C. Wilhite - University of Illinois Urbana-ChampaignBrian Yanny - FermilabD. R. Yocum - FermilabDonald G. York - University of ChicagoIdit Zehavi - Case Western Reserve UniversityDaniel B. Zucker - University of Cambridge
- Publication Details
- The Astrophysical journal. Supplement series, v 175(2)
- Publisher
- Iop Publishing Ltd
- Number of pages
- 17
- Grant note
- PP/E00105X/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) PP/E001149/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- English and Philosophy; Physics
- Web of Science ID
- WOS:000257759300001
- Scopus ID
- 2-s2.0-42649109365
- Other Identifier
- 991019168659104721
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- Industry collaboration
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- Web of Science research areas
- Astronomy & Astrophysics