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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The seventh data release of the sloan digital sky survey
Astrophysical Journal, Supplement Series, Volume 182, No. 2, Year 2009
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Description
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. © 2009. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Abazajian, Kevork N.
United States, College Park
University of Maryland, College Park
Adelman-McCarthy, Jennifer K.
United States, Batavia
Fermi National Accelerator Laboratory
Agúeros, Marcel A.
United States, New York
Columbia University
Allam, Sahar S.
United States, Batavia
Fermi National Accelerator Laboratory
United States, Laramie
University of Wyoming
Allende-Prieto, Carlos
United Kingdom, Dorking
Ucl Mullard Space Science Laboratory
An, Deokkeun
United States, Columbus
The Ohio State University
United States, Pasadena
California Institute of Technology
Anderson, Kurt S.J.
United States, Sunspot
Apache Point Observatory
United States, Las Cruces
New Mexico State University
Anderson, Scott F.
United States, Seattle
University of Washington
Annis, James T.
United States, Batavia
Fermi National Accelerator Laboratory
Bahcall, Neta A.
United States, Princeton
Princeton University
Bailer-Jones, Coryn A.L.
Germany, Heidelberg
Max Planck Institute for Astronomy
Barentine, John C.
United States, Austin
The University of Texas at Austin
Bassett, Bruce A.C.C.
South Africa, Cape Town
South African Astronomical Observatory
South Africa, Cape Town
University of Cape Town
Becker, Andrew C.
United States, Seattle
University of Washington
Beers, Timothy C.
United States, East Lansing
Michigan State University
Bell, Eric F.
Germany, Heidelberg
Max Planck Institute for Astronomy
Belokurov, Vasily A.
United Kingdom, Cambridge
Institute of Astronomy
Berlind, Andreas A.
United States, Nashville
Vanderbilt University
Berman, Eileen F.
United States, Batavia
Fermi National Accelerator Laboratory
Bernardi, Mariangela
United States, Philadelphia
University of Pennsylvania
Bickerton, Steven J.
United States, Princeton
Princeton University
Bizyaev, Dmitry Anatolevich
United States, Sunspot
Apache Point Observatory
Blakeslee, John P.
Canada, Ottawa
National Research Council Canada
Blanton, Michael R.
United States, New York
The Center for Cosmology and Particle Physics
Bochanski, John J.
United States, Seattle
University of Washington
United States, Cambridge
Mit Kavli Institute for Astrophysics and Space Research
Boroski, William N.
United States, Batavia
Fermi National Accelerator Laboratory
Brewington, Howard J.
United States, Sunspot
Apache Point Observatory
Brinchmann, Jarle
Netherlands, Leiden
Sterrewacht Leiden
Portugal, Porto
Centro de Astrofísica da Universidade do Porto
Brinkmann, Jonathan V.
United States, Sunspot
Apache Point Observatory
Brunner, Robert J.
United States, Urbana
University of Illinois Urbana-champaign
Budavari, Tamas
United States, Baltimore
Johns Hopkins University Krieger School of Arts and Sciences
Carey, Larry N.
United States, Seattle
University of Washington
Carliles, Samuel
United States, Baltimore
Johns Hopkins University Krieger School of Arts and Sciences
Carr, Michael A.
United States, Princeton
Princeton University
Castander, Francisco Javier J.
Spain, Madrid
Consejo Superior de Investigaciones Científicas
Cinabro, David A.
United States, Detroit
Wayne State University
Connolly, Andrew J.
United States, Seattle
University of Washington
Csabai, Istvan N.
Hungary, Budapest
Eötvös Loránd Tudományegyetem
Cunha, Carlos E.
United States, Ann Arbor
University of Michigan, Ann Arbor
Czarapata, Paul C.
United States, Batavia
Fermi National Accelerator Laboratory
Davenport, James R.A.
United States, San Diego
San Diego State University
de Haas, Ernst P.J.Paul
United States, Princeton
Princeton University
Dilday, Benjamin
United States, Chicago
The University of Chicago
United States, Chicago
The Kavli Institute for Cosmological Physics
United States, Piscataway
Department of Physics and Astronomy
Doi, Mamoru
Japan, Tokyo
The University of Tokyo
Eisenstein, Daniel J.
United States, Tucson
The University of Arizona
Evans, Michael L.
United States, Seattle
University of Washington
Evans, N. Wyn
United Kingdom, Cambridge
Institute of Astronomy
Fan, Xiaohui
United States, Tucson
The University of Arizona
Friedman, Scott D.
United States, Baltimore
Space Telescope Science Institute
Frieman, Joshua A.
United States, Batavia
Fermi National Accelerator Laboratory
United States, Chicago
The Kavli Institute for Cosmological Physics
United States, Chicago
The University of Chicago
Fukugita, Masataka
Japan, Tokyo
The University of Tokyo
Gänsicke, Boris T.
United Kingdom, Coventry
University of Warwick
Gates, Evalyn I.
United States, Chicago
The Kavli Institute for Cosmological Physics
Gillespie, Bruce A.
United States, Baltimore
Johns Hopkins University Krieger School of Arts and Sciences
Gilmore, Gerard F.
United Kingdom, Cambridge
Institute of Astronomy
Gonzalez, Belinda
United States, Batavia
Fermi National Accelerator Laboratory
Gonzalez, Carlos F.
United States, Batavia
Fermi National Accelerator Laboratory
Grebel, Eva K.
Germany, Heidelberg
Astronomisches Rechen-institut
Gunn, James E.
United States, Princeton
Princeton University
Gyõry, Zsuzsanna
Hungary, Budapest
Eötvös Loránd Tudományegyetem
Patrick B. Hall, Patrick B.
Canada, Toronto
York University
Harding, Paul
United States, Cleveland
Case Western Reserve University
Harris, Frederick H.
United States, Flagstaff
U.s. Naval Observatory - Flagstaff Station
Harvanek, Michael
United States, Flagstaff
Lowell Observatory
Hawley, Suzanne L.
United States, Seattle
University of Washington
Hayes, Jeffrey J.E.
United States, Washington, D.c.
National Aeronautics and Space Administration
Heckman, Timothy M.
United States, Baltimore
Johns Hopkins University Krieger School of Arts and Sciences
Hendry, John S.
United States, Batavia
Fermi National Accelerator Laboratory
Hennessy, Gregory S.
United States, Washington, D.c.
U.s. Naval Observatory
Hindsley, Robert B.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Hoblitt, Joshua C.
United States, Honolulu
University Hawaii Institute for Astronomy
Hogan, Craig J.
United States, Batavia
Fermi National Accelerator Laboratory
Hogg, David W.
United States, New York
The Center for Cosmology and Particle Physics
Holtzman, Jon A.
United States, Las Cruces
New Mexico State University
Hyde, Joseph B.
United States, Philadelphia
University of Pennsylvania
Ichikawa, Shin'ichi
Japan, Mitaka
National Institutes of Natural Sciences - National Astronomical Observatory of Japan
Ichikawa, Takashi
Japan, Sendai
Tohoku University
Im, Myungshin
South Korea, Seoul
Seoul National University
Ivezic, Zeljko
United States, Seattle
University of Washington
Jester, Sebastian
Germany, Heidelberg
Max Planck Institute for Astronomy
Jiang, Linhua
United States, Tucson
The University of Arizona
Johnson, Jennifer A.
United States, Columbus
The Ohio State University
Jørgensen, Anders M.
United States, Socorro
New Mexico Institute of Mining and Technology
Jurić, Mario
United States, Princeton
Institute for Advanced Study
Kent, Stephen M.
United States, Batavia
Fermi National Accelerator Laboratory
Kessler, Richard S.
United States, Chicago
The Kavli Institute for Cosmological Physics
Kleinman, Scott J.
United States, Hilo
Gemini Observatory
Knapp, Gillian R.
United States, Princeton
Princeton University
Konishi, Kohki
Japan, Tokyo
The University of Tokyo
Krön, Richard G.
United States, Batavia
Fermi National Accelerator Laboratory
United States, Chicago
The University of Chicago
Krzesiński, Jurek
United States, Sunspot
Apache Point Observatory
Poland, Krakow
Uniwersytet Pedagogiczny Im. Komisji Edukacji Narodowej
Kuropatkin, Nikolay P.
United States, Batavia
Fermi National Accelerator Laboratory
Lampeitl, Hubert
United Kingdom, Portsmouth
University of Portsmouth
Lebedeva, Svetlana
United States, Batavia
Fermi National Accelerator Laboratory
Lee, Myunggyoon
South Korea, Seoul
Seoul National University
Lee, Young Sun
United States, East Lansing
Michigan State University
Leger, R. French
United States, Seattle
University of Washington
Ĺepine, Sebastién
United States, New York
American Museum of Natural History
Li, Nolan
United States, Baltimore
Johns Hopkins University Krieger School of Arts and Sciences
Lima, Marcos V.B.T.
United States, Philadelphia
University of Pennsylvania
United States, Chicago
The University of Chicago
United States, Chicago
The Kavli Institute for Cosmological Physics
Statistics
Citations: 4,086
Authors: 100
Affiliations: 56
Identifiers
Doi:
10.1088/0067-0049/182/2/543
ISSN:
00670049
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative