DDO photometry of giants in the open cluster NGC 2660

Details DDO photometry of giants in the open cluster NGC 2660 DDO photometry of giants in the open cluster NGC 2660

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99.1044h&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, Oct. 1987, p. 1044-1049.

Astronomy and Astrophysics

Astronomy

8

Abundance, Astronomical Photometry, Giant Stars, Open Clusters, Carbon Stars, Metallicity, Red Shift, Stellar Color, Stellar Magnitude

Scientific paper

DDO photometry is presented for giants in the open cluster NGC 2660. A reddening of E(B-V) = 0.35 is inferred from the observations, as well as a metallicity which is slightly below solar at Fe/H abundance ratio of -0.4. An apparent distance modulus of 13.2 is derived for the cluster, which implies an absolute magnitude of -1.6 for the carbon star suggested by Hartwick and Hesser (1971) to be a member of NGC 2660. Revised DDO colors are also given for five giants in the intermediate-age cluster NGC 2477.

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