173 citations · 1.1k across the 25 of their papers we have counts for
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astro-ph.HE2011★ 48 cited
The emission of Cygnus X-1: observations with INTEGRAL SPI from 20 keV to 2 MeV
Elisabeth Jourdain, Jean-Pierre Roques, Julien Malzac
We report on Cyg X-1 observations performed by the SPI telescope onboard the INTEGRAL mission and distributed over more than 6 years. We investigate the variability of the intensit…
astro-ph.HE2011★ 74 cited
Evidence for a change in the X-ray radiation mechanism in the hard state of Galactic black holes
M. A. Sobolewska, I. E. Papadakis, C. Done +1
We present results on spectral variability of two Galactic black hole X-ray binaries, GRO J1655-40 and GX 339-4, in the hard state. We confirm a transition in behaviour of the phot…