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astro-ph.HE2026
Resolving the Fe K Doublet of the Galactic Center Molecular Cloud G0.11-0.11 with XRISM
Stephen DiKerby, Shuo Zhang, Kumiko Nobukawa +3
Fe K line emission from Galactic center molecular clouds can be produced either via fluorescence after illumination by an X-ray source or by cosmic ray ionization. Unparalleled…
astro-ph.HE2025
The unusual spectrum of the X-ray transient source XRISM J174610.8-290021 near the Galactic center
A. Yoshimoto, S. Yamauchi, M. Nobukawa +20
The Galactic center region was observed with the XRISM X-ray observatory during the performance verification phase in 2024 and a point-like X-ray source was detected with the X-ray…
astro-ph.HE2024
Overionized plasma in the supernova remnant Sagittarius A East anchored by XRISM observations
XRISM Collaboration
Sagittarius A East is a supernova remnant with a unique surrounding environment, as it is located in the immediate vicinity of the supermassive black hole at the Galactic center, S…