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Measuring the Accreting Stellar and Intermediate Mass Black Hole Populations in the Galaxy and Local Group
Jonathan Grindlay, Didier Barret, Tomaso Belloni +23
The population of stellar black holes (SBHs) in the Galaxy and galaxies generally is poorly known in both number and distribution. SBHs are the fossil record of the massive stars i…
Magnetar Twists: Fermi/Gamma ray Burst Monitor (GBM) detection of SGR J1550-5418
Y. Kaneko, E. Gogus, C. Kouveliotou +12
SGR J1550-5418 (previously known as AXP 1E 1547.0-5408 or PSR J1550-5418) went into three active bursting episodes in 2008 October and in 2009 January and March, emitting hundreds…
Discovery of a new Soft Gamma Repeater: SGR J0418+5729
A. J. van der Horst, V. Connaughton, C. Kouveliotou +31
On 2009 June 5, the Gamma-ray Burst Monitor (GBM) onboard the Fermi Gamma-ray Space Telescope triggered on two short, and relatively dim bursts with spectral properties similar to…
Measuring the Spin of GRS 1915+105 with Relativistic Disk Reflection
J. L. Blum, J. M. Miller, A. C. Fabian +5
GRS 1915+105 harbors one of the most massive known stellar black holes in the Galaxy. In May 2007, we observed GRS 1915+105 for 117 ksec in the low/hard state using Suzaku. We coll…
Probing the behaviour of the X-ray binary Cygnus X-3 with very-long-baseline radio interferometry
V. Tudose, J. C. A. Miller-Jones, R. P. Fender +8
In order to test the recently proposed classification of the radio/X-ray states of the X-ray binary Cyg X-3, we present an analysis of the radio data available for the system at mu…
Type I X-ray bursts, burst oscillations and kHz quasi-periodic oscillations in the neutron star system IGR J17191-2821
D. Altamirano, M. Linares, A. Patruno +6
We present a detailed study of the X-ray energy and power spectral properties of the neutron star transient IGR J17191-2821. We discovered four instances of pairs of simultaneous k…