Search for α-enhanced stars in the spectroscopic SDSS stellar database

Details Search for α-enhanced stars in the spectroscopic SDSS stellar database Search for α-enhanced stars in the spectroscopic SDSS stellar database

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..847..383f&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: International Symposium on Origin of Matter and Evolution of Galaxies 2005: New Hori

Computer Science

Databases

1

Abundances, Chemical Composition, Stellar Content And Populations, Morphology And Overall Structure, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc.

Scientific paper

We analyze a sample of about 8000 stars extracted from the Sloan Digital
Sky Survey with Teff in the range 4500-7000 K and log g greater than 2.0
dex as estimated by comparing measured and synthetic Lick indices. We
present preliminary results on the dependence of the α-enhancement
phenomenon on the stellar metallicity and on the galactic position.

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