The orbital modulation in the radio emission of Cygnus X-1
C. Brocksopp, R. P. Fender, G. G. Pooley
Abstract
We present model lightcurves which have been created in order to explain the orbital modulation observed in the radio emission of Cyg X-1. We invoke variable absorption by the stellar wind as the black hole jet orbits around the OB companion star and find that a very simple model is able to reproduce the amplitudes and frequency dependence of the observed lightcurves.
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