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Title:
SEGUE: A Spectroscopic Survey of 240,000 Stars with g = 14-20
Authors:
Yanny, Brian; Rockosi, Constance; Newberg, Heidi Jo; Knapp, Gillian R.; Adelman-McCarthy, Jennifer K.; Alcorn, Bonnie; Allam, Sahar; Allende Prieto, Carlos; An, Deokkeun; Anderson, Kurt S. J.; Anderson, Scott; Bailer-Jones, Coryn A. L.; Bastian, Steve; Beers, Timothy C.; Bell, Eric; Belokurov, Vasily; Bizyaev, Dmitry; Blythe, Norm; Bochanski, John J.; Boroski, William N.; Brinchmann, Jarle; Brinkmann, J.; Brewington, Howard; Carey, Larry; Cudworth, Kyle M.; Evans, Michael; Evans, N. W.; Gates, Evalyn; Gänsicke, B. T.; Gillespie, Bruce; Gilmore, Gerald; Gomez-Moran, Ada Nebot; Grebel, Eva K.; Greenwell, Jim; Gunn, James E.; Jordan, Cathy; Jordan, Wendell; Harding, Paul; Harris, Hugh; Hendry, John S.; Holder, Diana; Ivans, Inese I.; Ivezič, Željko; Jester, Sebastian; Johnson, Jennifer A.; Kent, Stephen M.; Kleinman, Scot; Kniazev, Alexei; Krzesinski, Jurek; Kron, Richard; Kuropatkin, Nikolay; Lebedeva, Svetlana; Lee, Young Sun; Leger, R. French; Lépine, Sébastien; Levine, Steve; Lin, Huan; Long, Daniel C.; Loomis, Craig; Lupton, Robert; Malanushenko, Olena; Malanushenko, Viktor; Margon, Bruce; Martinez-Delgado, David; McGehee, Peregrine; Monet, Dave; Morrison, Heather L.; Munn, Jeffrey A.; Neilsen, Eric H.; Nitta, Atsuko; Norris, John E.; Oravetz, Dan; Owen, Russell; Padmanabhan, Nikhil; Pan, Kaike; Peterson, R. S.; Pier, Jeffrey R.; Platson, Jared; Fiorentin, Paola Re; Richards, Gordon T.; Rix, Hans-Walter; Schlegel, David J.; Schneider, Donald P.; Schreiber, Matthias R.; Schwope, Axel; Sibley, Valena; Simmons, Audrey; Snedden, Stephanie A.; Smith, J. Allyn; Stark, Larry; Stauffer, Fritz; Steinmetz, M.; Stoughton, C.; Subba Rao, Mark; Szalay, Alex; Szkody, Paula; Thakar, Aniruddha R.; Thirupathi, Sivarani; Tucker, Douglas; Uomoto, Alan; Vanden Berk, Dan; Vidrih, Simon; Wadadekar, Yogesh; Watters, Shannon; Wilhelm, Ron; Wyse, Rosemary F. G.; Yarger, Jean; Zucker, Dan
Affiliation:
AA(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), AB(UCO/Lick Observatory, University of California, Santa Cruz, CA 95064, USA ), AC(Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute Troy, NY 12180, USA ), AD(Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA ), AE(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), AF(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), AG(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), AH(McDonald Observatory and Department of Astronomy, The University of Texas, 1 University Station, C1400 Austin, TX 78712-0259, USA ; Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Surrey RH5 6NT, UK ), AI(Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), AJ(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ; Department of Astronomy, MSC 4500, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, USA ), AK(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), AL(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ), AM(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), AN(Department of Physics and Astronomy, Center for the Study of Cosmic Evolution, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824, USA ), AO(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ), AP(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK ), AQ(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), AR(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), AS(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), AT(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), AU(Centro de Astrofísica da Universidade do Porto, Rua das Estrelas, 4150-762 Porto, Portugal ), AV(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), AW(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), AX(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), AY(Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA ), AZ(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), BA(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK ), BB(Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA ), BC(Department of Physics, Warwick University, Coventry CV47AL, UK ), BD(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), BE(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK ), BF(Astrophysikalisches Institut Potsdam An der Sternwarte 16, D-14482 Potsdam, Germany ), BG(Astronomisches Rechen-Institut, Zentrum für Astronomie, University of Heidelberg, Mönchhofstrasse 12-14, D-69120 Heidelberg, Germany ), BH(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), BI(Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA ), BJ(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), BK(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), BL(Department of Astronomy, Case Western Reserve University, Cleveland, OH 44106, USA ), BM(US Naval Observatory, Flagstaff Station, 10391 West Naval Observatory Road, Flagstaff, AZ 86001-8521, USA ), BN(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), BO(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), BP(Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA ), BQ(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), BR(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ), BS(Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA ), BT(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), BU(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), BV(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ), BW(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), BX(Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA ), BY(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), BZ(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), CA(Department of Physics and Astronomy, Center for the Study of Cosmic Evolution, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824, USA ), CB(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), CC(Department of Astrophysics, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA ), CD(US Naval Observatory, Flagstaff Station, 10391 West Naval Observatory Road, Flagstaff, AZ 86001-8521, USA ), CE(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), CF(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), CG(Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA ), CH(Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA ), CI(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), CJ(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), CK(Department of Astronomy and Astrophysics, University of California, 1156 High Street, Santa Cruz, CA 95064, USA ), CL(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ), CM(IPAC, MS 220-6, California Institute of Technology, Pasadena, CA 91125, USA ), CN(US Naval Observatory, Flagstaff Station, 10391 West Naval Observatory Road, Flagstaff, AZ 86001-8521, USA ), CO(Department of Astronomy, Case Western Reserve University, Cleveland, OH 44106, USA ), CP(US Naval Observatory, Flagstaff Station, 10391 West Naval Observatory Road, Flagstaff, AZ 86001-8521, USA ), CQ(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), CR(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), CS(Research School of Astronomy and Astrophysics, Australian National University, Weston, ACT 2611, Australia ), CT(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), CU(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), CV(Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, USA ), CW(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), CX(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), CY(US Naval Observatory, Flagstaff Station, 10391 West Naval Observatory Road, Flagstaff, AZ 86001-8521, USA ), CZ(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), DA(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ; Department of Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia ), DB(Drexel University, Philadelphia, PA, USA ), DC(Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany ), DD(Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, USA ), DE(Department of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USA ), DF(Departamento de Fisica y Astronomia, Facultad de Ciencias, Universidad de Valparaiso, Valparaiso, Chile ), DG(Astrophysikalisches Institut Potsdam An der Sternwarte 16, D-14482 Potsdam, Germany ), DH(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), DI(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), DJ(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), DK(Department of Physics and Astronomy, Austin Peay State University, P.O. Box 4608, Clarksville, TN 37040, USA ), DL(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), DM(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), DN(Astrophysikalisches Institut Potsdam An der Sternwarte 16, D-14482 Potsdam, Germany ), DO(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), DP(Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA ; Adler Planetarium and Astronomy Museum, 1300 Lake Shore Drive, Chicago, IL 60605, USA ), DQ(Center for Astrophysical Sciences, Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA ), DR(Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA ), DS(Center for Astrophysical Sciences, Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA ), DT(Department of Physics and Astronomy, Center for the Study of Cosmic Evolution, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824, USA ), DU(Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, IL 60510, USA ), DV(Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA ), DW(Department of Astronomy and Astrophysics, The Pennsylvania State University, University Park, PA 16802, USA ), DX(Astronomisches Rechen-Institut, Zentrum für Astronomie, University of Heidelberg, Mönchhofstrasse 12-14, D-69120 Heidelberg, Germany ), DY(Department of Astrophysical Sciences, Princeton University, Princeton, NJ 08544, USA ; National Centre for Radio Astrophysics, Post Bag 3, Ganeshkhind, Pune 411007, India ), DZ(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), EA(Department of Physics, Texas Tech University, Lubbock, TX, USA), EB(Center for Astrophysical Sciences, Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, USA ), EC(Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349, USA ), EE(Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK )
Publication:
The Astronomical Journal, Volume 137, Issue 5, pp. 4377-4399 (2009). (AJ Homepage)
Publication Date:
05/2009
Origin:
IOP
AJ Keywords:
Galaxy: halo, Galaxy: stellar content, Galaxy: structure, stars: abundances, stars: fundamental parameters, stars: general
DOI:
10.1088/0004-6256/137/5/4377
Bibliographic Code:
2009AJ....137.4377Y

Abstract

The Sloan Extension for Galactic Understanding and Exploration (SEGUE) Survey obtained ≈240,000 moderate-resolution (R ~ 1800) spectra from 3900 Å to 9000 Å of fainter Milky Way stars (14.0 < g < 20.3) of a wide variety of spectral types, both main-sequence and evolved objects, with the goal of studying the kinematics and populations of our Galaxy and its halo. The spectra are clustered in 212 regions spaced over three quarters of the sky. Radial velocity accuracies for stars are \sigma (\rm RV) \sim 4 \:\rm km\; s^{-1} at g < 18, degrading to \sigma (\rm RV) \sim 15\rm \:km\; s^{-1} at g ~ 20. For stars with signal-to-noise ratio >10 per resolution element, stellar atmospheric parameters are estimated, including metallicity, surface gravity, and effective temperature. SEGUE obtained 3500 deg2 of additional ugriz imaging (primarily at low Galactic latitudes) providing precise multicolor photometry (σ(g, r, i) ~ 2%), (σ(u, z) ~ 3%) and astrometry (≈0farcs1) for spectroscopic target selection. The stellar spectra, imaging data, and derived parameter catalogs for this survey are publicly available as part of Sloan Digital Sky Survey Data Release 7.
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