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XRISM Observations of A1795: Evidence for Low Turbulence and Resonant Scattering

  • Authors: Arnab Sarkar, Eric D. Miller, Brian McNamara, Helen Russell, Kotaro Fukushima, Mark Bautz, Yutaka Fujita, Catherine E. Grant, François Mernier, Michael A. McDonald, Naomi Ota, Ayşegül Tümer, Daniel Wik

Arnab Sarkar et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 4.

Radial profile of the line-of-sight velocity dispersion in A1795 (red star). Velocity dispersion measurements from other clusters are shown for comparison, including A2029 (A. Sarkar et al. 2025b; XRISM Collaboration et al. 2025b), Virgo (XRISM Collaboration et al. 2026), Centaurus (XRISM Collaboration et al. 2025c), Hydra A (T. Rose et al. 2025), PKS 0745–19 (K. Tanaka et al. 2026), Perseus (The XRISM Collaboration et al. 2026), and Ophiuchus (Y. Fujita et al. 2025).

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