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Title:
The SEGUE Stellar Parameter Pipeline. I. Description and Comparison of Individual Methods
Authors:
Lee, Young Sun; Beers, Timothy C.; Sivarani, Thirupathi; Allende Prieto, Carlos; Koesterke, Lars; Wilhelm, Ronald; Re Fiorentin, Paola; Bailer-Jones, Coryn A. L.; Norris, John E.; Rockosi, Constance M.; Yanny, Brian; Newberg, Heidi J.; Covey, Kevin R.; Zhang, Hao-Tong; Luo, A.-Li
Affiliation:
AA(Department of Physics & Astronomy, CSCE: Center for the Study of Cosmic Evolution, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824, USA ), AB(Department of Physics & Astronomy, CSCE: Center for the Study of Cosmic Evolution, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824, USA ), AC(Department of Physics & Astronomy, CSCE: Center for the Study of Cosmic Evolution, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824, USA ), AD(Department of Astronomy, University of Texas, Austin, TX 78712, USA ), AE(Department of Astronomy, University of Texas, Austin, TX 78712, USA ; Current address: Texas Advanced Computer Center, The University of Texas, Austin, TX 78758, USA. ; ), AF(Department of Physics, Texas Tech University, Lubbock, TX 79409, USA ), AG(Max-Planck-Institute für Astronomy, Königstuhl 17, D-69117, Heidelberg, Germany ; Current address: Department of Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia.; ), AH(Max-Planck-Institute für Astronomy, Königstuhl 17, D-69117, Heidelberg, Germany ), AI(Research School of Astronomy and Astrophysics, The Australian National University, Weston, ACT 2611, Australia ), AJ(Department of Astronomy, University of California, Santa Cruz, CA 95064, USA ), AK(Fermi National Accelerator Laboratory, Batavia, IL 60510, USA ), AL(Department of Physics & Astronomy, Rensselaer Polytechnical Institute, Troy, NY 12180, USA ), AM(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA ), AN(National Astronomical Observatories of China, Chinese Academy of Sciences, Beijing 100012, China ), AO(National Astronomical Observatories of China, Chinese Academy of Sciences, Beijing 100012, China )
Publication:
The Astronomical Journal, Volume 136, Issue 5, pp. 2022-2049 (2008). (AJ Homepage)
Publication Date:
11/2008
Origin:
IOP
AJ Keywords:
methods: data analysis, stars: abundances, stars: fundamental parameters, surveys, techniques: spectroscopic
DOI:
10.1088/0004-6256/136/5/2022
Bibliographic Code:
2008AJ....136.2022L

Abstract

We describe the development and implementation of the Sloan Extension for Galactic Exploration and Understanding (SEGUE) Stellar Parameter Pipeline (SSPP). The SSPP is derived, using multiple techniques, radial velocities, and the fundamental stellar atmospheric parameters (effective temperature, surface gravity, and metallicity) for AFGK-type stars, based on medium-resolution spectroscopy and ugriz photometry obtained during the course of the original Sloan Digital Sky Survey (SDSS-I) and its Galactic extension (SDSS-II/SEGUE). The SSPP also provides spectral classification for a much wider range of stars, including stars with temperatures outside the window where atmospheric parameters can be estimated with the current approaches. This is Paper I in a series of papers on the SSPP; it provides an overview of the SSPP, and tests of its performance using several external data sets. Random and systematic errors are critically examined for the current version of the SSPP, which has been used for the sixth public data release of the SDSS (DR-6).
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