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Spectroscopy of the Optical Counterpart to Ser X-1
R. I. Hynes, P. A. Charles, L. van Zyl +4
We present WHT and VLT spectroscopy of MM Ser, the optical counterpart to Ser X-1. We deblend the red spectra of the two close stars identified by Wachter (1997) and show that the…
Multicolour observations of V404 Cyg with ULTRACAM
T. Shahbaz, V. S. Dhillon, T. R. Marsh +5
We present high time-resolution multicolour observations of the quiescent soft X-ray transient V404 Cyg obtained with ULTRACAM. Superimposed on the secondary star's ellipsoidal mod…
Multiwavelength observations revealing the evolution of the outburst of the black hole XTE J1118+480
S. Chaty, C. A. Haswell, J. Malzac +3
We report multiwavelength observations of the soft X-ray transient (SXT) XTE J1118+480, which we observed with UKIRT, HST, RXTE, EUVE and many other instruments and facilities. Add…
The remarkable rapid X-ray, ultraviolet, optical, and IR variability in the black hole XTE J1118+480
R. I. Hynes, C. A. Haswell, W. Cui +6
The transient black hole binary XTE J1118+480 exhibited dramatic rapid variability at all wavelengths which were suitably observed during its 2000 April-July outburst. We examine t…
Bowen Fluorescence from the Companion Star in X1822-371
J. Casares, D. Steeghs, R. I. Hynes +2
We present a clear evidence for the motion of the companion star in the Low Mass X-Ray Binary (LMXB) X1822-371. We detect NIII lambda 4640 emission moving in antiphase with the rad…