Is NGC 1851-UV5 a binary star in a globular cluster

Details Is NGC 1851-UV5 a binary star in a globular cluster Is NGC 1851-UV5 a binary star in a globular cluster

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..769d&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Oct.-Nov. 1982, p. 769-773.

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10

Binary Stars, Early Stars, Globular Clusters, Radial Velocity, Stellar Motions, Stellar Spectra

Scientific paper

The radial velocity of the unusual early-type star UV5 in the globular cluster NGC 1851 has been determined on each of seven consecutive nights to an accuracy of better than 4 km/s. In strong contrast to previous observations, the radial velocity of this star was not found to vary. Thus UV5 is no longer a viable candidate for a close binary star system in a globular cluster. Three other 'UV-bright' stars in the field of the cluster are shown to be nonmembers.

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