Test of the inverse Compton model for Cygnus X-1

Details Test of the inverse Compton model for Cygnus X-1 Test of the inverse Compton model for Cygnus X-1

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.283..642l&link_type=abstract

Nature, vol. 283, Feb. 14, 1980, p. 642-644.

Computer Science

6

Compton Effect, Stellar Models, X Ray Sources, X Ray Spectra, Cygnus Constellation, Electron Energy

Scientific paper

The unsaturated Compton model for Cygnus X-1 is attractive as it accounts for the power law spectrum with index (alpha) approximately equal to 1, and for the alleged high electron temperature (greater than 1 billion K). A critical test for the model is proposed, utilizing spectral data and especially the transition data when Cyg X-1 exhibited anticorrelated variations in soft and hard X-ray luminosities, with the pivoting point at about 10 keV; it is shown that the hard X-ray data available to date strongly support this model.

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