- Properties of a fast state transition in Cygnus X-1
- AIP Conference Proceedings
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Anton Pannekoek Institute for Astronomy (API)
In 2005 February we observed the microquasar Cygnus X-1 for a total of 10 days quasi-continuously with the Rossi X-ray Timing Explorer and the Ryle telescope. During that period of time Cyg X-1 was very variable and covered a large fraction of its total variability found during our years long monitoring. A full transition from the hard to the soft state occured within less than 2.5 hours. We present results of the spectral and timing analysis, compare them with the long-term behavior and discuss the discovered energy dependence of the power spectra.
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- ID: 278
Proceedings title: X-ray Astronomy 2009: Present status, multi-wavelength approach and future perspectives, Bologna, Italy
Publisher: American Institute of Physics (AIP)
Place of publication: Melville, NY
Editors: A. Comastri, M. Cappi, L. Angelini
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