Abstract
The probabilities of discovering detached close binary (type DM) stars as eclipsing variables are calculated as a function of the mass of the main component, mass ratio, major semiaxis, and angle of inclination of the orbit. The case of total limb darkening (hypothesis “D”) is examined. This is compared with earlier results for uniformly bright stellar disks (hypothesis “U”). Based on data from Svechnikov and Kuznetsova’s Catalog of Approximate Photometric and Absolute Elements of Eclipsing Variables, the spatial density of stars of this type in the neighborhood of the sun is estimated to be ≈ 460 · 10 −6 pc−3.
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Translated from Astrofizika, Vol. 49, No. 1, pp. 151–169 (February 2006).
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Eretnova, O.V., Svechnikov, M.A. & Ebel, M.A. Effect of the star limb darkening law on the probabilities of discovering detached close binary stars as eclipsing variables. Astrophysics 49, 131–148 (2006). https://doi.org/10.1007/s10511-006-0014-2
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DOI: https://doi.org/10.1007/s10511-006-0014-2