Radial velocities in the open cluster IC 2391

Details Radial velocities in the open cluster IC 2391 Radial velocities in the open cluster IC 2391

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.146..361l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 146, no. 2, July 1988, p. 361-373. Research supported by the Comision de I

Astronomy and Astrophysics

Astrophysics

11

Angular Velocity, Binary Stars, Main Sequence Stars, Open Clusters, Peculiar Stars, Star Distribution, Stellar Spectrophotometry, Variable Stars

Scientific paper

The authors have determined radial velocities for 31 stars in the field of the open cluster IC 2391, and derived the percentage of probable radial-velocity variables. They improved the orbit of one previously known spectroscopic binary, and confirmed the existence of two double-line binaries. They discussed with such data the membership to the cluster, the average cluster radial velocity and compared the incidence of short-period binaries among the main-sequence members of IC 2391 with the incidence for other clusters with similar average axial rotation of its members.

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