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Two years of INTEGRAL monitoring of GRS 1915+105 Part 1: multiwavelength coverage with INTEGRAL, RXTE, and the Ryle radio Telescope
J. Rodriguez, D. C. Hannikainen, S. E. Shaw +13
(Abridged) We report the results of monitoring observations of the Galactic microquasar GRS 1915+105 performed simultaneously with INTEGRAL and RXTE Ryle . We present the results o…
Two Years of INTEGRAL monitoring of GRS 1915+105 Part 2: X-Ray Spectro-Temporal Analysis
J. Rodriguez, S. E. Shaw, D. C. Hannikainen +14
(abridged) This is the second paper presenting the results of two years of monitoring of GRS 1915+105 with \integral and \rxte and the Ryle Telescope. We present the X-ray spectral…
Cygnus X-3 transition from the ultrasoft to the hard state
V. Beckmann, S. Soldi, G. Belanger +8
Aims: The nature of Cygnus X-3 is still not understood well. This binary system might host a black hole or a neutron star. Recent observations by INTEGRAL have shown that Cygnus X-…
The nature of the hard state of Cygnus X-3
L. Hjalmarsdotter, A. A. Zdziarski, S. Larsson +4
The X-ray binary Cygnus X-3 is a highly variable X-ray source that displays a wide range of observed spectral states. One of the main states is significantly harder than the others…
The nature of the infrared counterpart of IGR J19140+0951
D. C. Hannikainen, M. G. Rawlings, P. Muhli +3
The INTEGRAL observatory has been (re-)discovering new X-ray sources since the beginning of nominal operations in early 2003. These sources include X-ray binaries, Active Galactic…
Modeling of orbital modulation of Cygnus X-3 by particle simulations
Osmi Vilhu, Pasi Hakala, Linnea Hjalmarsdotter +3
The formation of the circumbinary envelope of Cygnus X-3 was studied by particle simulations of the WR (Wolf Rayet) companion wind. Light curves resulting from electron scattering…