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Institut für Astronomie und Astrophysik

Abteilung Astronomie

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Preprint 08/09

INTEGRAL and RXTE view of Her X-1: towards resolving of the system's puzzles

D. Klochkov (1), R. Staubert (1), K. Postnov (2), N. Shakura (2), A. Santangelo (1), J. Wilms (3), R. Rothschild (4)

(1) Institut für Astronomie und Astrophysik, Sand 1, D-72076 Tübingen, Germany
(2) Sternberg Astronomical Institute, Moscow University, 119992 Moscow, Russia
(3) Dr. Karl Remeis-Sternwarte, Astronomisches Institut, Universität Erlangen-Nürnberg
(4) Center for Astrophysics and Space Sciences, University of California

Proceedings of the 7th INTEGRAL Workshop. 8 - 11 September 2008 Copenhagen, Denmark, p.112

Abstract. Her X-1 is one of the most intensively studied accreting X-ray pulsars. The source was regularly observed with \textsl{Rossi XTE} since its launch in 1996 which allowed us to monitor X-ray spectral and timing properties of the source. In July--August 2005 and September 2007 Her X-1 was observed with INTEGRAL.
In both cases the observations covered a substantial part of the source's Main-On states. Both satellites contributed significantly to the understanding of the physical processes in the binary. We discuss the results obtained with RXTE and INTEGRAL in the context of our current understanding of the system's phenomenology.


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