The young close binary HD 47732 in NGC 2264

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Binary Stars, Star Clusters, Stellar Spectra, Variable Stars, Light Curve, Stellar Spectrophotometry

Scientific paper

HD 47732 is a short-period, ellipsoidal variable with some complications evident in its yellow light curve. The interpretation of the light curve is entirely dependent upon spectroscopic information. The seeming best spectral classifications lead to a contact configuration. Spectral types that are only slightly later lead to a semidetached description. Either interpretation of HD 47732 implies a distance of at least 1.2 kpc, considerably greater than the commonly accepted distance for the cluster NGC 2264 of which it is a member.

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