Four-color and H-beta photometry of stars in the galactic cluster NGC 6087

Details Four-color and H-beta photometry of stars in the galactic cluster NGC 6087 Four-color and H-beta photometry of stars in the galactic cluster NGC 6087

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85..158s&link_type=abstract

Astronomical Journal, vol. 85, Feb. 1980, p. 158-160.

Astronomy and Astrophysics

Astronomy

19

Astronomical Photometry, Cepheid Variables, Galactic Clusters, H Beta Line, Open Clusters, Star Distribution, Stellar Luminosity, Stellar Magnitude

Scientific paper

Four-color and H beta photometry has been obtained for 16 stars in the open cluster NGC 6087. Based on this photometry the membership of these stars in the cluster is discussed. Using stars which appear to be members a color excess of E(b-y) = 0.123 m and a distance modulus of (V/0/-M/v/) = 9.60 m are derived. This distance modulus is about 0.4 m less than previous values and indicates a lower luminosity for the Cepheid member, S Nor, than is currently accepted.

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