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Comment on "An X-ray chimney extending hundreds of parsecs above and below the Galactic Centre" (2019, Nature, 567, 34)
Shinya Nakashima, Katsuji Koyama, Q. Daniel Wang
A recent article "An X-ray chimney extending hundreds of parsecs above and below the Galactic Centre" (2019, Nature, 567, 34) reported the detection of chimney-like X-ray-emitting…
X-ray Observation of a Magnetized Hot Gas Outflow in the Galactic Center Region
Shinya Nakashima, Katsuji Koyama, Q. Daniel Wang +1
We report the discovery of a scale X-ray plume in the northern Galactic Center (GC) region observed with Suzaku. The plume is located at (, ) ($0\mbox{$.\!\!…
The Quiescent Intracluster Medium in the Core of the Perseus Cluster
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +213
Clusters of galaxies are the most massive gravitationally-bound objects in the Universe and are still forming. They are thus important probes of cosmological parameters and a host…
Number Density Distribution of Near-Infrared Sources on a Sub-Degree Scale in the Galactic Center: Comparison with the Fe XXV Ka Line at 6.7 keV
Kazuki Yasui, Shogo Nishiyama, Tatsuhito Yoshikawa +9
The stellar distribution derived from an and -band survey of the central region of our Galaxy is compared with the Fe XXV K (6.7 keV) line intensity observed…
X-ray Echo from the Sagittarius C Complex and 500-year Activity History of Sagittarius A*
Syukyo Gando Ryu, Masayoshi Nobukawa, Shinya Nakashima +3
This paper presents the Suzaku results obtained for the Sagittarius (Sgr) C region using the concept of X-ray reflection nebulae (XRNe) as the echo of past flares from the super ma…
Spatial and Temporal Variations of the Diffuse Iron 6.4 keV Line in the Galactic Center Region
D. O. Chernyshov, V. A. Dogiel, M. Nobukawa +4
We analyze the diffuse Fe I K-alpha line generated in the diffuse interstellar molecular hydrogen by primary photons or subrelativistic protons injected by Sagittarius (Sgr) A*. We…