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A variable near-infrared counterpart to the neutron-star low-mass X-ray binary 4U 1705-440
Jeroen Homan, David L. Kaplan, Maureen van den Berg +1
We report the discovery of a near-infrared (nIR) counterpart to the persistent neutron-star low-mass X-ray binary 4U 1705-440, at a location consistent with its recently determined…
Probing the accretion disk and central engine structure of NGC4258 with Suzaku and XMM-Newton observations
Christopher S. Reynolds, Michael A. Nowak, Sera Markoff +3
[abridged] We present an X-ray study of the low-luminosity active galactic nucleus (AGN) in NGC4258 using data from Suzaku, XMM-Newton, and the Swift/BAT survey. We find that signa…
X-ray observations of the galaxy cluster PKS 0745-191: To the virial radius, and beyond
Matthew R. George, Andrew C. Fabian, Jeremy S. Sanders +2
We measure X-ray emission from the outskirts of the cluster of galaxies PKS 0745-191 with Suzaku, determining radial profiles of density, temperature, entropy, gas fraction, and ma…
Results from an extensive simultaneous broadband campaign on the underluminous active nucleus M81*: further evidence for mass-scaling accretion in black holes
S. Markoff, M. Nowak, A. Young +13
We present the results of a broadband simultaneous campaign on the nearby low-luminosity active galactic nucleus M81*. From February through August 2005, we observed M81* five time…