Duplicity on the main sequence

Details Duplicity on the main sequence Duplicity on the main sequence

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss..99...29h&link_type=abstract

(International Astronomical Union, Colloquium on Double Stars, Physical Properties and Generic Relations, 80th, Bandung, Indones

Astronomy and Astrophysics

Astrophysics

9

Binary Stars, Main Sequence Stars, Stellar Evolution, Stellar Mass, Mass Ratios, Stellar Magnitude, Subdwarf Stars

Scientific paper

The statistics of main-sequence binary systems in the Galaxy and especially in the nearby region are reviewed. The multiplicity percentages reported in various surveys are listed in a table, and an overall value of 60-65 percent is proposed. Mass-ratio statistics are examined in the light of binary-formation theory, and the need for more observations and more careful analysis is indicated. The nearby-binary and solar-type-star study of Abt and Levy (1976) and some criticisms of it are considered in detail, and the problems of CPM pairs and unseen companions are explored.

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