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astro-ph.HE2024
Exploring the high-density reflection model for the soft excess in RBS 1124
A. Madathil-Pottayil, D. J. Walton, Javier García +13
'Bare' active galactic nuclei (AGN) are a subclass of Type 1 AGN that show little or no intrinsic absorption. They offer an unobscured view of the central regions of the AGN and th…
astro-ph.HE2024
A New Broadband Spectral State in the Ultraluminous X-ray Source Holmberg IX X-1
D. J. Walton, M. Bachetti, P. Kosec +12
We present a series of five new broadband X-ray observations of the ultraluminous X-ray source Holmberg IX X-1, performed by - and in coordination. The first…
astro-ph.SR2024
The First High-Contrast Images of Near High-Mass X-Ray Binaries with Keck/NIRC2
M. Prasow-Émond, J. Hlavacek-Larrondo, K. Fogarty +10
Although the study of X-ray binaries has led to major breakthroughs in high-energy astrophysics, their circumbinary environment at scales of 100--10,000 astronomical units ha…