Temporal intensity fluctuations of HER X-1 around 100 SEC time scales

Details Temporal intensity fluctuations of HER X-1 around 100 SEC time scales Temporal intensity fluctuations of HER X-1 around 100 SEC time scales

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ssrv...40..339v&link_type=abstract

(ESA, ESLAB Symposium on X-Ray Astronomy in the EXOSAT Era, 18th, The Hague, Netherlands, Nov. 5-9, 1984) Space Science Reviews

Astronomy and Astrophysics

Astronomy

14

Accretion Disks, Spaceborne Astronomy, Stellar Spectrophotometry, X Ray Binaries, Absorption Spectra, Exosat Satellite, Line Of Sight, Spectral Energy Distribution, Spectrum Analysis, Stellar Models, Temporal Distribution

Scientific paper

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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