Study of rapid variability in Cygnus X-1 |
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| Authors: | C G Page |
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| Institution: | (1) X-ray Astronomy Group Physics Department, University of Leicester, LE1 7RH Leicester, UK |
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| Abstract: | The EXOSAT Medium Energy instrument has been used with the new HER6 mode to study the rapid variability of Cygnus X-1. It was found that the fluctuations in the higher energy band (5–14 keV) lagged behind those in the lower band (2–5 keV) by about 6 milliseconds. This confirms predictions of the inverse Compton model and gives an upper limit to the scale-size of the hot gas clouds. |
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