Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21530009l&link_type=abstract
American Astronomical Society, AAS Meeting #215, #300.09; Bulletin of the American Astronomical Society, Vol. 42, p.296
Astronomy and Astrophysics
Astronomy
Scientific paper
Proper motions of ultra-violet sources detected by the Galaxy Evolution Explorer satellite (GALEX), are obtained by cross-correlation with high proper motion objects from the SUPERBLINK survey. Over 200,000 GALEX sources are found to have proper motions in excess of 40 mas/yr, in the northern hemisphere alone. A reduced proper motion diagram based on UV-to-optical colors readily identifies a wealth of white dwarfs, hot subdwarfs, and local metal-poor stars from the Galactic halo. GALEX data is found to be particularly useful for the classification of faint, blue high proper motion stars which are not typically detected in the 2MASS infrared survey.
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