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CXOGBSJ174444.7-260330: a new long orbital period cataclysmic variable in a low state
E. M. Ratti, T. F. J. van Grunsven, P. G. Jonker +12
We present phase-resolved spectroscopy and photometry of a source discovered with the Chandra Galactic Bulge Survey (GBS), CXOGBSJ174444.7-260330 (aka CX93 and CX153 in the previou…
The Orbital Period of Scorpius X-1
Robert I. Hynes, Christopher T. Britt
The orbital period of Sco X-1 was first identified by Gottlieb et al. (1975). While this has been confirmed on multiple occasions, this work, based on nearly a century of photograp…
Optical and Infrared Light Curves of the Eclipsing X-ray Binary V395 Car = 2S 0921-630
Teresa A. Ashcraft, Robert I. Hynes, Edward L. Robinson
We present results of optical and infrared photometric monitoring of the eclipsing low-mass X-ray binary V395 Car (2S 0921-630). Our observations reveal a clear, repeating orbital…
Gemini/GMOS Spectroscopy of EXO 0748-676 (=UY Vol) in Outburst
Valerie J. Mikles, Robert I. Hynes
We present a phase-resolved, optical, spectroscopic study of the eclipsing low-mass X-ray binary, EXO 0748-676 = UY Vol. The sensitivity of Gemini combined with our complete phase…