Photometric analysis of two eclipsing binaries in the Magellanic Clouds

Details Photometric analysis of two eclipsing binaries in the Magellanic Clouds Photometric analysis of two eclipsing binaries in the Magellanic Clouds

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.201..287l&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 201, no. 2, p. 287-295.

Astronomy and Astrophysics

Astrophysics

4

Astronomical Photometry, Eclipsing Binary Stars, Magellanic Clouds, Astronomical Models, Light Curve, Mass To Light Ratios, O Stars, Stellar Luminosity, Stellar Mass, Stellar Temperature

Scientific paper

B, V, and I light curves of the eclipsing binaries HV12634 in the LMV, and HV2208 in the SMC (cf. West et al., 1992), are analyzed with the aid of optimal curve-fitting techniques. Parameter derivation involves a successive approximations procedure. The results of this are combined with a standard mass:luminosity relation to explore tentative absolute parameters. The combined evidence shows some disparity with standard MS-like models. It also demonstrates some relative insensitivity of photometric analysis, in isolation, to elucidate clear facts on such possibly atypical remote hot stars. Auxiliary spectroscopic data are required to resolve remaining ambiguities.

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