Toward constraints on galaxy formation scenarios: stellar properties from Galactic surveys

Details Toward constraints on galaxy formation scenarios: stellar properties from Galactic surveys Toward constraints on galaxy formation scenarios: stellar properties from Galactic surveys

2008-11-11

arxiv.org/abs/0811.1699v2

Astronomy and Astrophysics

Astrophysics

8 pages, 3 figures; to appear in the Proceedings of the IAU Symposium 254: `The Galaxy Disk in Cosmological Context', Copenhag

Scientific paper

We present some of the strategies being developed to classify and parameterize objects obtained with spectra from the Sloan Digital Sky Survey (SDSS) and the RAdial Velocity Experiment (RAVE) and present some results. We estimate stellar atmospheric parameters (effective temperature, gravity, and metallicity) from spectral and photometric data and use these to analyse Galactic populations. We demonstrate this through the selection of a sample of candidate Blue Horizontal-Branch and RR Lyrae stars selected from SDSS/SEGUE.

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