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astro-ph.HE2024
Detection of extended X-ray emission around the PeVatron microquasar V4641 Sgr with XRISM
Hiromasa Suzuki, Naomi Tsuji, Yoshiaki Kanemaru +26
A recent report on the detection of very-high-energy gamma rays from V4641 Sagittarii (V4641 Sgr) up to ~0.8 peta-electronvolt has made it the second confirmed "PeVatron" microquas…
astro-ph.HE2024
The XRISM/Resolve view of the Fe K region of Cyg X-3
XRISM Collaboration
The X-ray binary system Cygnus X-3 (4U 2030+40, V1521 Cyg) is luminous but enigmatic owing to the high intervening absorption. High-resolution X-ray spectroscopy uniquely probes th…
astro-ph.HE2024★ 4 cited
The Disk Wind Contribution to the Gamma-Ray emission from the nearby Seyfert Galaxy GRS 1734-292
Nobuyuki Sakai, Tomoya Yamada, Yoshiyuki Inoue +4
Radio-quiet Seyfert galaxies have been detected in GeV gamma-rays by the Large Area Telescope (LAT), but the origin of much of this emission is unclear. We consider the nea…