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First INTEGRAL observations of V404 Cygni during the 2015 outburst : spectral behavior in the 20 - 650 keV energy range
Jean-Pierre Roques, Elisabeth Jourdain, Angela Bazzano +3
In June 2015, the source V404 Cygni (= GS2023+38) underwent an extraordinary outburst. We present the results obtained during the first revolution dedicated to this target by the I…
X-ray spectral evolution of V404 Cygni in the initial phase of the 2015 outburst
Lorenzo Natalucci, Mariateresa Fiocchi, Angela Bazzano +3
The black hole binary GS 2023+338 exhibited an unprecedently bright outburst on June 2015. Since June 17th, the high energy instruments on board INTEGRAL detected an extremely vari…
Broadband X-ray Properties of the Gamma-ray Binary 1FGL J1018.6-5856
Hongjun An, Eric Bellm, Varun Bhalerao +11
We report on NuSTAR, XMM-Newton and Swift observations of the gamma-ray binary 1FGL J1018.6-5856. We measure the orbital period to be 16.544+/-0.008 days using Swift data spanning…
NuSTAR Observations of X-Ray Binaries
John A. Tomsick, Eric Bellm, Felix Fuerst +9
As of 2014 August, the Nuclear Spectroscopic Telescope Array (NuSTAR) had observed ~30 X-ray binaries either as part of the planned program, as targets of opportunity, or for instr…