Membership in the open cluster NGC 2287

Details Membership in the open cluster NGC 2287 Membership in the open cluster NGC 2287

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....93..347i&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 93, Feb. 1987, p. 347-358.

Other

19

Binary Stars, Giant Stars, Open Clusters, Star Distribution, Stellar Motions, Ubv Spectra, Astronomical Catalogs, Color-Magnitude Diagram, K Stars, Stellar Spectrophotometry

Scientific paper

The open cluster NGC 2287 is a cluster apparently rich in multiple stars and several other spectroscopically interesting objects. The authors report the first extended proper-motion membership survey of the cluster. UBV photometry of 146 proper-motion stars is also included and compared to earlier data. Color-magnitude and two-color diagrams are presented. The proper-motion-based membership probabilities indicate that most of the spectroscopic binaries are members of the cluster, as are the three Hg-Mn stars, and at least four of the K giants. The bright He-weak star HD 49333 does not appear to be a cluster member. A ZAMS fit to a color-magnitude diagram of the most likely members gives a distance modulus of (m-M) = 9.15.

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