Modeling of the eclipsing binaries in the globular cluster NGC 5466

Details Modeling of the eclipsing binaries in the globular cluster NGC 5466 Modeling of the eclipsing binaries in the globular cluster NGC 5466

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...389..590k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 389, April 20, 1992, p. 590-601. Research supported by NSERC and University

Astronomy and Astrophysics

Astrophysics

17

Eclipsing Binary Stars, Globular Clusters, Stellar Evolution, Stellar Mass, Stellar Models, Color-Magnitude Diagram, Computer Programs, Light Curve, Open Clusters, Stellar Spectrophotometry

Scientific paper

The results of a study of viable models of the eclipsing binaries in the globular cluster NGC 5466, based on a simplex-enhanced, Kurucz-atmospheres version of the Wilson-Devinney Program are presented. The simplex enhancement goes further than the WD version in that it optimizes automatically all four spot parameters of one spot on the cooler star. This procedure was necessary to model the O'Connell effect in two of these systems. The resulting parameters are more or less consistent with the expected properties of the stars and of the cluster.

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