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astro-ph2005
The mass of the neutron star in SMC X-1
A. K. F. Val Baker, A. J. Norton, H. Quaintrell
We present new optical spectroscopy of the eclipsing binary pulsar Sk 160/SMC X-1. From the He I absorption lines, taking heating corrections into account, we determine the radial…
astro-ph1998
Infrared photometry and spectroscopy of the supersoft X-ray source RX J0019.8+2156 (= QR And)
H. Quaintrell, R. P. Fender
We present JHK photometry and spectroscopy of RX J0019.8+2156. The spectrum appears to be dominated by the accretion disc to at least 2.4 microns, over any other source of emission…