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Masses of X-ray pulsars in binary systems with OB supergiants

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Abstract

We describe the results of a statistical approach to analyzing the combined radial-velocity curves of X-ray binaries with OB supergiants in a Roche model, both with and without allowance for the anisotropy of the stellar wind. We present new mass estimates for the X-ray pulsars in the close binary systems Cen X-3, LMC X-4, SMC X-1, 4U 1538-52, and Vela X-1.

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Authors and Affiliations

  1. Moscow State University, Vorob’evy gory, Moscow, 119992, Russia

    M. K. Abubekerov & A. M. Cherepashchuk

  2. Sternberg Astronomical Institute, Universitetskii pr. 13, Moscow, 119992, Russia

    É. A. Antokhina & A. M. Cherepashchuk

Authors
  1. M. K. Abubekerov
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  2. É. A. Antokhina
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  3. A. M. Cherepashchuk
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__________

Translated from Astronomicheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 81, No. 2, 2004, pp. 108–123.

Original Russian Text Copyright © 2004 by Abubekerov, Antokhina, Cherepashchuk.

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Abubekerov, M.K., Antokhina, É.A. & Cherepashchuk, A.M. Masses of X-ray pulsars in binary systems with OB supergiants. Astron. Rep. 48, 89–102 (2004). https://doi.org/10.1134/1.1648072

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  • DOI: https://doi.org/10.1134/1.1648072

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