Spectroscopic binaries in the open cluster Trumpler 16

Details Spectroscopic binaries in the open cluster Trumpler 16 Spectroscopic binaries in the open cluster Trumpler 16

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apjs...75..869l&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 75, March 1991, p. 869-875. Research supported by CONICET.

Astronomy and Astrophysics

Astrophysics

39

Binary Stars, Open Clusters, Orbital Mechanics, Radial Velocity, Stellar Spectra, Astronomical Spectroscopy, Periodic Variations, Stellar Orbits

Scientific paper

Radial velocities for 26 probable members of the open cluster Trumpler 16 have been measured. A minimum of 50 percent of variables were found as in the considered sample. Six preliminary orbits for binaries among the probable main-sequence members were derived, and an average heliocentric radial velocity for the cluster of -26 km/s was found. All the binaries discovered are worth detailed studies because of their potential astrophysical interest.

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