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X-ray investigation of the remarkable galaxy group Nest200047
Anwesh Majumder, A. Simionescu, T. Plšek +11
Galaxy groups are more susceptible to feedback from the central active galactic nuclei (AGN) due to their lower gravitational binding energy compared to clusters. This makes them i…
Merger of massive galaxy cluster CL0238.3+2005 at z~0.4: just after pericenter passage?
N. Lyskova, E. Churazov, I. Khabibullin +13
Massive clusters of galaxies are very rare in the observable Universe. Even rarer are mergers of such clusters observed close to pericenter passage. Here, we report on one such cas…
X-ray surface brightness and gas density profiles of galaxy clusters up to 3*R500c with SRG/eROSITA
N. Lyskova, E. Churazov, I. I. Khabibullin +3
Using the data of the SRG/eROSITA all-sky survey, we stacked a sample of ~40 galaxy cluster images in the 0.3--2.3 keV band, covering the radial range up to …
Tempestuous life beyond R500: X-ray view on the Coma cluster with SRG/eROSITA. II. Shock & Relic
E. Churazov, I. Khabibullin, A. M. Bykov +2
This is the second paper in a series of studies of the Coma cluster using the SRG/eROSITA X-ray data obtained during the calibration and performance verification phase of the missi…
Mass estimation of the very massive galaxy cluster SRGe CL2305.22248 from strong lensing
I. M. Khamitov, I. F. Bikmaev, N. S. Lyskova +10
The galaxy cluster SRGe CL2305.22248 (SPT-CL J23052248, ACT-CL J2305.12248) is one of the most massive clusters at high redshifts () and is of great interes…
Observation of a very massive galaxy cluster at z=0.76 in SRG/eROSITA all-sky survey
R. A. Burenin, I. F. Bikmaev, M. R. Gilfanov +16
The results of multiwavelength observations of the very massive galaxy cluster SRGe CL2305.2-2248 detected in X-rays during the first SRG/eROSITA all-sky survey are discussed. This…