Diagnosing the Fe line complex of the intracluster medium by XRISM high-resolution spectroscopy

arXiv:2608.08094 · astro-ph.GA, astro-ph.HE · Submitted 2026-08-08 · Read on arXiv

K. Fukushima, L. Hirata, N. Y. Yamasaki, P. Chakraborty, S. Dupourqué, Y. Fujita, L. Gu, C. Kilbourne, K. Matsushita, F. Mernier, E. D. Miller, K. Nakazawa, Y. Omiya, N. Ota, A. Sarkar, K. Sato, M. Sun, Y. Uchida, I. Zhuravleva, H. Yamaguchi

astro-ph.GA, astro-ph.HE

Submitted: 2026-08-08

Updated: 2026-08-11

Comments: 10 pages, 5 figures, 3 tables. submitted to A&A

Project page: https://veusz.github.io

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 15× in this paper · explained in 2 episodes
• alpha — 7× in this paper · explained in 1 episode
• Calibration — 3× in this paper · explained in 7 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Benchmark — 2× in this paper · explained in 2 episodes
• Cold front — 2× in this paper · explained in 2 episodes
• Velocity Dispersion — 2× in this paper · explained in 2 episodes
• Japanese Society for the Promotion of Science — 1× in this paper
• National Aeronautics and Space Administration — 1× in this paper
• XRISM Science Data Center — 1× in this paper

Sources

• Sloshing Motions in Abell 3571 Revealed by XRISM/Resolve Velocity Mapping
• Iron He-triplet signatures of shocks in the hottest galaxy clusters. Z/W line ratio, line broadening, and electron-ion temperature equilibration
• The major cluster merger in Abell 2034 as seen by XRISM: Strong turbulence and spectral anomalies?
• Are X-ray Atmospheres Heated by Turbulent Dissipation? XRISM Constraints
• XRISM Reveals a Kinematically Coherent Core System of the Nearby Cool-Core Cluster Abell 2199

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