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Accretion Disk Wind of Hercules X-1 during the Short High State
(2023-12-05)
Hercules X-1 is a nearly edge-on X-ray binary with a warped, precessing accretion disk, which manifests through a 35-day cycle of alternating High and Low flux states. This disk precession introduces a changing line of ...
High-density Reflection Spectroscopy of Black Hole X-Ray Binaries in the Hard State
(2023-07-12)
We present a high-density relativistic reflection analysis of 21 spectra of six black hole X-ray binaries in the hard state with data from NuSTAR and Swift. We find that 76% of the observations in our sample require a disk ...