Temporal intensity fluctuations of Her X-1 around 100 sec time scales |
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Authors: | W Voges P Kahabka H Ögelman W Pietsch J Trümper |
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Institution: | (1) Max-Planck-Institut für Physik und Astrophysik Institut für extraterrestrische Physik, D-8046 Garching |
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Abstract: | Her X-1 has been observed with EXOSAT for one 35d cycle between March 1 and April 5, 1984 at about 4 day intervals. During three observations, absorption dips were encountered showing fluctuations with time scales in the several hundred seconds range. The data are interpreted with a model where random superposition of absorbing blobs or inhomogeneous structures within the accretion disk, in the line of sight, cause these intensity variations. The calculations give a measure of the extent of the disk both in vertical and radial directions. |
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