Is the star 'BS' a member of the cluster 47 Tucunae?

Details Is the star 'BS' a member of the cluster 47 Tucunae? Is the star 'BS' a member of the cluster 47 Tucunae?

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...264...86t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 264, no. 1, p. 86, 87.

Astronomy and Astrophysics

Astrophysics

2

Globular Clusters, Red Giant Stars, Stellar Evolution, Abundance, Metallicity, Stellar Magnitude, Stellar Mass, Stellar Spectrophotometry

Scientific paper

The cluster membership of the star 'BS 47 Tuc' is investigated. It is suggested that, on the basis of the spectrophotometric mass (25-100 solar masses), cluster distance, modulus, spectrophotometric values of bolometric correction, T(eff), and log(g), the star is not a member of the cluster, as all evolved stars in that cluster have masses near 0.9 solar mass. The observed V magnitude and the UV flux are more consistent with a Pop I metallicity, and the star is therefore more likely to be a foreground star.

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