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Extragalactic Astronomy
Atmospheric gas dynamics in the Perseus cluster observed with Hitomi |
Image Credit: Hitomi Collaboration (2018) PASJ, 70, 9
Left: Bulk velocity (v_bulk) map of the intracluster medium in the core of the X-ray brightest galaxy cluster, the Perseus cluster, with respect to the redshift z = 0.017284 (heliocentric correction applied) in units of km/s. Right: Line-of-sight velocity dispersion (σ_v) of the intracluster medium in units of km/s. The Chandra X-ray contours are overlaid.
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