On the possibility of cluster membership for the cepheid V Centauri

Details On the possibility of cluster membership for the cepheid V Centauri On the possibility of cluster membership for the cepheid V Centauri

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94.1003t&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Dec. 1982, p. 1003-1007.

Astronomy and Astrophysics

Astronomy

8

Astronomical Photometry, Cepheid Variables, Galactic Clusters, Interstellar Extinction, Stellar Color, Ubv Spectra, Ultraviolet Photometry

Scientific paper

An analysis of UBV photometry for ten stars which lie within 5 arcmin of the bright, 5.5-d cepheid V Cen, along with similar data for members of the nearby cluster NGC 5662, has resulted in the determination of a 661 + or - 24 pc distance for the cluster. It is also noted that V Cen is a candidate for membership in the cluster corona, in view of a derived space reddening for likely cluster coronal members near V Cen which agrees with published values for the cepheid's photometric reddening. The derived ages for V Cen and cluster stars, moreover, are both near 600,000 years, and the inferred luminosity of the cepheid as a cluster member is consistent with predictions based upon the period-luminosity relation.

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