3.6k citations
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Showing 2024 · astro-ph.COShow all
2 papers · 2 filters
astro-ph.CO2024★ 1 cited
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…
astro-ph.CO2024★ 3 cited
Average energy of the X-ray spectrum as a model-independent proxy for the mass of galaxy clusters
A. Kruglov, I. Khabibullin, N. Lyskova +2
Temperature of the hot gas in galaxy clusters is known to be a reliable proxy for their total gravitating mass, allowing one to use spectroscopic X-ray observations for halo mass f…