Photometry of eclipsing binary stars in the Large and Small Magellanic Clouds

Details Photometry of eclipsing binary stars in the Large and Small Magellanic Clouds Photometry of eclipsing binary stars in the Large and Small Magellanic Clouds

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rmxac..21..116b&link_type=abstract

The Environment and Evolution of Double and Multiple Stars, Proceedings of IAU Colloquium 191, held 3-7 February, 2002 in Merida

Astronomy and Astrophysics

Astronomy

Binaries: Eclipsing, Stars: Early-Type, Stars: Fundamental Parameters, Stars: Individual (Macho*05:36:48.7-69:17:00, Moa J005018.4-723855, Moa J005623.5-722123)

Scientific paper

The light curves for three eclipsing binaries in the Magellanic Clouds have been obtained using CCD u V[J]I[C] photometry. One target in the LMC, MACHO*05:36:48.7-69:17:00, is an eccentric system, e = 0.20, with a period of 3.853534 +/- 0.000005 d. Initial solutions indicate a primary component in the range T [eff, 1] = 20,000-35,000 K and the secondary T [eff, 2] 1000-2000 K cooler than the primary, with inclinations ranging i = 84.2o - 86.0o. Two targets in the SMC, MOA J005018.4-723855 and MOA J005623.5-722123, have periods of 1.8399 +/- 0.0004 and 2.3199 +/- 0.0003 days respectively. Both have circular orbits with the former being a semi-detached system.

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