A survey of third components in spectroscopic and eclipsing systems

Details A survey of third components in spectroscopic and eclipsing systems A survey of third components in spectroscopic and eclipsing systems

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.142...89h&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

7

Eclipsing Binary Stars, Stellar Orbits, Stellar Spectra, Stellar Systems, Astronomical Catalogs, Statistical Analysis

Scientific paper

A magnitude-limited (V = 6.8) survey of systems found in the Seventh Catalogue of Spectroscopic Binaries (Batten et al., 1978) is used to investigate internally stable triple systems of the type ab-c. Emphasis is placed on systems where the close pair is a spectroscopic or eclipsing binary with orbital dimensions of the order of 1-2 AU or less. With allowance for observational bias, the ratio of double to multiple systems is found to approach 1:1. Multiplicities in the W UMa system and in cataclysmic variables are also considered.

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