Correlated msec X-ray and optical emission from XTE J1118+480
arXiv:astro-ph/0108199
Abstract
We report on fast (msec) simultaneous observations in X-rays and optical light of the black hole candidate XTE J1118+480, showing correlation on time scales from 20msec to several seconds. The shape of the correlation is not easily explained with existing models. We suggest that is is caused by optical cyclosynchrotron emission in a dense, relatively slow outflow from the inner regions of the accretion.
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