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Study of Eclipsing Binary and Multiple Systems in OB Associations. I. Orion OB1a - IM Monocerotis

Bilir, Selçuk; Bakis, Volkan; Bakis, Hicran +5 more

All available photometric and spectroscopic observations were collected and used as the basis of a detailed analysis of the close binary IM Mon. The orbital period of the binary was refined to 1^d.19024249 (0.00000014). The Roche equipotentials, fractional luminosities (in Β,V, and Hp-bands) and fractional radii for the component stars i…