Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-01-13
Astron.J.130:1247-1260,2005
Astronomy and Astrophysics
Astrophysics
Corrected version, accepted by the Astronomical Journal. Table 1 has been modified
Scientific paper
10.1086/432161
We report the discovery of 182 new southern stars with proper motion larger than 0.45''/yr. The stars were found in an expansion of the SUPERBLINK proper motion survey to 8,980 square degrees south of Decl.=-30. The new high proper motion stars include 123 objects with mu>0.5''/yr, and 5 with mu>1.0''/yr. These new stars consist in a variety of nearby red dwarfs and white dwarfs, and (slightly more distant) red halo subdwarf, and are all prime targets for follow-up spectroscopic and astrometric (parallax) observations. Comparison with previous proper motion surveys in the southern sky suggests that SUPERBLINK has a recovery rate between 80% and 90% at southern declinations for stars with red magnitude 10
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