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The identification of the optical/IR counterpart to the ROSAT SMC X-ray transient RX J0117.6−7330 |
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| Authors: | Coe Buckley Charles Southwell & Stevens |
| Institution: | Physics and Astronomy Department, The University, Southampton SO17 1BJ,;South African Astronomical Observatory, PO Box 9, Observatory, Cape Town, South Africa,;University of Oxford, Department of Astrophysics, Keble Road, Oxford OX1 3RH |
| Abstract: | We report observations which identify the optical/IR counterpart to the ROSAT X-ray transient RX J0117.6?7330. The counterpart is suggested to be a B1–B2 star (luminosity class III–V) showing an IR excess and strong Balmer emission lines. The distance derived from reddening and systemic velocity measurements is consistent with the distance derived from X-ray measurements and puts the source in the Small Magellanic Cloud (SMC). |
| Keywords: | binaries: close stars: emission-line Be pulsars: general Magellanic Clouds infrared: stars X-rays: stars |