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Estimation of stellar atmospheric parameters from SDSS/SEGUE spectra

Re Fiorentin, P; Bailer-Jones, C.A.L; Lee, Young Sun; Beers, Timothy C; Sivarani, T; Wilhelm, Ronald; Allende Prieto, C; Norris, John


We present techniques for the estimation of stellar atmospheric parameters (Teff, log g, [Fe/H]) for stars from the SDSS/SEGUE survey. The atmospheric parameters are derived from the observed medium-resolution (R = 2000) stellar spectra using non-linear regression models trained either on (1) pre-classified observed data or (2) synthetic stellar spectra. In the first case we use our models to automate and generalize parametrization produced by a preliminary version of the SDSS/SEGUE...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361:20077334


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