On the wide binaries in Selected Area 57

Details On the wide binaries in Selected Area 57 On the wide binaries in Selected Area 57

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.142..131m&link_type=abstract

(IAU, Colloquium on Wide Components in Double and Multiple Stars, 97th, Brussels, Belgium, June 8-13, 1987) Astrophysics and Spa

Astronomy and Astrophysics

Astrophysics

5

Binary Stars, Milky Way Galaxy, Radial Velocity, Star Distribution, Stellar Luminosity, Stellar Mass

Scientific paper

The authors present some results from a preliminary analysis of a new radial-velocity survey of 244 stars in Selected Area 57, complete for stars with V brighter than 12.0 mag. They have considered all pairs with angular separations between 2 and 600 arc sec, but find only one probable physical binary with a separation larger than 100 arc sec. These data provide a stronger constraint on the distribution of wide binaries in the Galaxy than was previously available. The results suggest that binaries with separations larger than 0.1 pc are rare.

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