Classification and Properties of Milky Way UV Sources from the GALEX Surveys

Details Classification and Properties of Milky Way UV Sources from the GALEX Surveys Classification and Properties of Milky Way UV Sources from the GALEX Surveys

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd...4e..37b&link_type=abstract

The Ultraviolet Universe: Stars from Birth to Death, 26th meeting of the IAU, Joint Discussion 4, 16-17 August 2006, Prague, Cze

Astronomy and Astrophysics

Astrophysics

Scientific paper

We used Galaxy Evolution Explorer (GALEX) imaging survey data matched to the Sloan Digital Sky Survey (SDSS) in the overlapping areas to explore the nature of the UV sources. We present statistical properties of the GALEX/SDSS matched catalogs and we classify the stellar sources by comparing their seven bands photometry (GALEX far-UV, near-UV, SDSS u, g, r, i, z) to model colours computed for different astrophysical objects, taking nto account the effects of extinction. The present sample covers mostly high galactic latitudes. The GALEX photometric surveys detect hot White Dwarfs all the way throughout the MW halo, providing an unprecedentedly unbiased and possibly complete census of this elusive component of the MW. The results are compared to MW model predictions.

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