Detection of superhumps in XTE J1118+480 approaching quiescence
We present the results of our monitoring of the halo black hole soft X-ray transient (SXT) XTE J1118+480 during its decline to quiescence. The system has decayed 0.5mag from 2000 December to its present near-quiescent level at R~=18.65 (2001 June). The ellipsoidal light curve is distorted by an additional modulation that we interpret as a superhump
Zurita, C. et al.
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2002