The intermediate age open cluster NGC 7044

Details The intermediate age open cluster NGC 7044 The intermediate age open cluster NGC 7044

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....106.1547a&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 106, no. 4, p. 1547-1560.

Astronomy and Astrophysics

Astronomy

12

Star Clusters, Star Distribution, Stellar Evolution, Stellar Luminosity, Stellar Mass, Astronomical Photometry, Color-Magnitude Diagram, Metallicity, Red Giant Stars, Stellar Models

Scientific paper

A photometric analysis is conducted of the open cluster NGC 7044, on the basis of UBVR CCD observations of 896 stars in the cluster field. Reddening and metallicity estimates are highly dependent on whether reddening slopes and absorption coefficients vary with spectral type. The color-magnitude diagram obtained is compared with selected sets of isochones, based on evolutionary models computed with and without consideration of convective overshooting from the stellar core during the H and He phases of core burning. Better general agreement is obtained between predicted and observed features of the color-magnitude diagram with overshooting models.

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