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The X-ray spectro-timing properties of a major radio flare episode in Cygnus X-3 | | K. I. I. Koljonen
; M. L. McCollough
; D. C. Hannikainen
; R. Droulans
; | | Date: |
29 Apr 2013 | | Abstract: | We have performed a principal component analysis on the X-ray spectra of the
microquasar Cygnus X-3 from RXTE, INTEGRAL and Swift during a major flare
ejection event in 2006 May-July. The analysis showed that there are two main
variability components in play, i.e. two principal components explained almost
all the variability in the X-ray lightcurves. According to the spectral shape
of these components and spectral fits to the original data, the most probable
emission components corresponding to the principal components are
inverse-Compton scattering and bremsstrahlung. We find that these components
form a double-peaked profile when phase-folded with the peaks occurring in
opposite phases. This could be due to an asymmetrical wind around the companion
star with which the compact object is interacting. | | Source: | arXiv, 1304.7581 | | Services: | Forum | Review | PDF | Favorites | |
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