A search for the H-alpha emission in spectroscopic binaries of the spectral types B0-B9

Details A search for the H-alpha emission in spectroscopic binaries of the spectral types B0-B9 A search for the H-alpha emission in spectroscopic binaries of the spectral types B0-B9

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.127..143k&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 127, Nov. 1986, p. 143-151.

Astronomy and Astrophysics

Astrophysics

2

B Stars, Binary Stars, Emission Spectra, H Alpha Line, Stellar Spectrophotometry, Astronomical Catalogs, Orbital Elements, Spectral Energy Distribution

Scientific paper

The H-alpha emission is searched for 67 spectroscopic binaries of the spectral types B0-B9 and of the orbital period 1-1000 days. Among them the H-alpha emission is detected in 13 stars with various intensity. The results of this inspection are presented. When combined with the previous data, the results show that the Be-star frequency in spectroscopic binaries along the orbital periods exhibits a sharp maximum in the period range 100-300 days, and that the stars of strong H-alpha emission concentrate in the same period range.

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