Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84.1591a&link_type=abstract
Astronomical Journal, vol. 84, Oct. 1979, p. 1591-1597.
Astronomy and Astrophysics
Astronomy
73
Binary Stars, Dwarf Stars, Frequency Distribution, Main Sequence Stars, Radial Velocity, Star Distribution, B Stars, Graphs (Charts), Star Clusters, Stellar Motions, Velocity Measurement, Wolf-Rayet Stars
Scientific paper
Available observational data on the frequencies of binaries along the main sequence are reviewed for high and low masses, high- and low-velocity stars, stars in clusters and in the field, and normal and abnormal stars. Attention is given to normal solar-type dwarfs, high-velocity dwarfs, binaries among B dwarfs, binary frequency differences among clusters, binaries among cluster and field stars, and binaries among such abnormal stars as common novae, U Gem stars, Am and Ap stars, Be stars, Wolf-Rayet stars, and dMe stars. The data are shown to imply that the binary characteristics of normal stars may not depend sensitively on primary mass and that an inverse correlation exists between duplicity and mean rotational velocity among cluster stars.
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