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The Reflection Component from Cygnus X-1 in the Soft State Measured by NuSTAR and Suzaku
John A. Tomsick, Michael A. Nowak, Michael Parker +21
The black hole binary Cygnus X-1 was observed in late-2012 with the Nuclear Spectroscopic Telescope Array (NuSTAR) and Suzaku, providing spectral coverage over the ~1-300 keV range…
SWIFT J1910.2-0546: A possible black hole binary with a retrograde spin or truncated disk
R. C. Reis, M. T. Reynolds, J. M. Miller +4
We present the first results from a long (51 ks) XMM-Newton observation of the Galactic X-ray binary Swift J1910.2-0546 in a intermediate state, obtained during its 2012 outburst.…
Revisiting Putative Cool Accretion Disks in Ultraluminous X-ray Sources
J. M. Miller, D. J. Walton, A. L. King +4
Soft, potentially thermal spectral components observed in some ULXs can be fit with models for emission from cool, optically-thick accretion disks. If that description is correct,…
NuSTAR Spectroscopy of GRS 1915+105: Disk Reflection, Spin, and Connections to Jets
J. M. Miller, M. L. Parker, F. Fuerst +15
We report on the results of spectral fits made to a NuSTAR observation of the black hole GRS 1915+105 in a "plateau" state. This state is of special interest because it is similar…
A Distinctive Disk-Jet Coupling in the Lowest-Mass Seyfert, NGC 4395
Ashley L. King, Jon M. Miller, Mark T. Reynolds +3
Simultaneous observations of X-rays and radio luminosities have been well studied in accreting stellar-mass black holes. These observations are performed in order to understand how…
Chandra Spectroscopy of MAXI J1305-704: Detection of an Infalling Black Hole Disk Wind?
J. M. Miller, J. Raymond, T. R. Kallman +9
We report on a Chandra/HETG X-ray spectrum of the black hole candidate MAXI J1305-704. A rich absorption complex is detected in the Fe L band, including density-sensitive lines fro…