SIMBAD references

2001A&A...365L.273S - Astronomy and Astrophysics, volume 365, L273-276 (2001/1-1)

XMM-Newton optical monitor observations of LMC X-3.

SORIA R., WU K., PAGE M.J. and SAKELLIOU I.

Abstract (from CDS):

We study the optical counterpart of the black-hole X-ray binary LMC X-3, by using XMM-Newton/OM observations carried out during a low-hard X-ray state. We derive a better constraint for the temperature, mass and radius of the companion star, and we show that the star is likely to be a ∼B5 subgiant filling its Roche lobe. Taking into account the effect of X-ray irradiation, we suggest a value fM≃1.5M☉ for the mass function in this system, lower than previously thought; we provide a more accurate lower limit to the mass of the compact object.

Abstract Copyright: ∼

Journal keyword(s): accretion, accretion disks - black hole physics - binaries: general - stars: early type - X-rays: general

Simbad objects: 4

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