activity
20122026
most citedHitomi constraints on the 3.5 keV line in the Perseus galaxy cluster

124 citations · 393 across the 29 of their papers we have counts for

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Showing 2024Show all

5 papers · 1 filter

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…

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

Plasma diagnostics of supernova remnant 3C 400.2 by Suzaku observations

Masataka Onuma, Kumiko K. Nobukawa, Masayoshi Nobukawa +2

We report a result of plasma diagnostics of the supernova remnant (SNR) 3C 400.2, which has been reported to have a recombining plasma (RP) by previous studies. For careful backgro…

astro-ph.HE2024

Suzaku observation of an iron K-shell line in the spiral galaxy NGC 6946

Shigeo Yamauchi, Azusa Inaba, Yumiko Anraku

An emission line at ~6.7 keV is attributable to a He-like iron K-shell transition, which indicates existence of a thin thermal plasma with a temperature of several keV. Using Suzak…

astro-ph.HE2024

Detection of the neutral iron line from the supernova remnant W49B with Suzaku

Nari Suzuki, Shigeo Yamauchi, Kumiko K. Nobukawa +2

Recent studies of supernova remnants (SNRs) have revealed that some SNRs exhibit a neutral iron line emission at 6.4 keV. This line has been proposed to originate from the interact…