Investigation of the Pleiades cluster. II - Binary stars in the F5-K0 spectral region

Details Investigation of the Pleiades cluster. II - Binary stars in the F5-K0 spectral region Investigation of the Pleiades cluster. II - Binary stars in the F5-K0 spectral region

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...265..513m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 265, no. 2, p. 513-526.

Astronomy and Astrophysics

Astrophysics

91

Binary Stars, F Stars, K Stars, Open Clusters, Stellar Color, Stellar Magnitude, Stellar Orbits, Stellar Spectrophotometry, Triple Stars

Scientific paper

Coravel observations of 100 F5-K0 stars in the Pleiades cluster yielded 13 spectroscopic binary stars, and 11 orbits were determined. All 11 periods are shorter than 1000 days and the longest circular period is 7.05 days. One single-lined spectroscopic binary belongs to a triple system, the orbital motion of which has been detected. Based on a complete sample in the color range B-V = 0.40 - 0.90, (88 stars), the percentage of spectroscopic binaries with P less than 1000 days is 13 percent. The number of single:binary:triple stars is 56:30:2.

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