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2000•Monthly Notices of the Royal Astronomical SocietyOpen access

The SMC X-ray transient XTE J0111.2-7317: a Be/X-ray binary in a supernova remnant?

M. J. Coe, N. J. Haigh, P. Reig

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Abstract

We report observations which confirm the identity of the optical/IR counterpart to the Rossi X-ray Timing Explorer transient source XTE J0111.2-7317. The counterpart is suggested to be a B0-B2 star (luminosity class III—V) showing an IR excess and strong Balmer emission lines. The distance derived from reddening and systemic velocity measurements puts the source in the Small Magellanic Cloud (SMC). Unusually, the source exhibits an extended asymmetric Hα structure.

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What this paper is about

We report observations which confirm the identity of the optical/IR counterpart to the Rossi X-ray Timing Explorer transient source XTE J0111.2-7317. The counterpart is suggested to be a B0-B2 star (luminosity class III—V) showing an IR excess and strong Balmer emission lines. The distance derived from reddening and systemic velocity measurements puts the source in the Small Magellanic Cloud (SMC). Unusually, the source exhibits an extended asymmetric Hα structure.

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Available abstract

We report observations which confirm the identity of the optical/IR counterpart to the Rossi X-ray Timing Explorer transient source XTE J0111.2-7317. The counterpart is suggested to be a B0-B2 star (luminosity class III—V) showing an IR excess and strong Balmer emission lines. The distance derived from reddening and systemic velocity measurements puts the source in the Small Magellanic Cloud (SMC). Unusually, the source exhibits an extended asymmetric Hα structure.

Key concepts: Physics, Balmer series, Astrophysics, Luminosity, Small Magellanic Cloud, X-ray transient, Supernova remnant, X-ray binary

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The SMC X-ray transient XTE J0111.2-7317: a Be/X-ray binary in a supernova remnant? — Research Paper | ScholarLens