Evolution of Energy and Power Spectra in XTE J1650-500 with BeppoSAX

Details Evolution of Energy and Power Spectra in XTE J1650-500 with BeppoSAX Evolution of Energy and Power Spectra in XTE J1650-500 with BeppoSAX

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..924..737m&link_type=abstract

THE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS. AIP Conference Proceedings, Volume 924, pp. 737-740

Computer Science

X-Ray Binaries, Black Holes

Scientific paper

We show preliminary results of a comparative spectral and timing analysis of the Galactic Black Hole XTE J1650-500, using data from BeppoSAX. A clear relation is present between the evolution of energy spectra and power spectra. The central frequency of a given QPO is increasing with the softening of the energy spectra. This is consistent with the following picture: the spectral evolution from Hard to Soft is occurring together with a decreasing of the dimension of the Comptonizing corona. This also implies that the effect of bulk inflow vs thermal Comptonization is increasing its importance during the softening of the source.

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