Increased Multiplicity of 77 Cygni, V815 Herculis, and HD 140122

Details Increased Multiplicity of 77 Cygni, V815 Herculis, and HD 140122 Increased Multiplicity of 77 Cygni, V815 Herculis, and HD 140122

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rmxac..21...45f&link_type=abstract

The Environment and Evolution of Double and Multiple Stars, Proceedings of IAU Colloquium 191, held 3-7 February, 2002 in Merida

Astronomy and Astrophysics

Astronomy

2

Binaries: Close, Binaries: Spectroscopic

Scientific paper

High-dispersion spectroscopic observations of 77 Cygni, V815 Herculis, and HD 140122 have resulted in the detection of at least one additional component in each system. The newly identified component of 77 Cyg has a period of 35.48 days. V815 Her is a triple system with periods of 1.810 and 2300 days or 6.3 yr. The two visual binary components of HD 140122 are short-period spectroscopic binaries with periods of 10.879 and 15.770 days.

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