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http://hdl.handle.net/20.500.12386/31143
Titolo: | The inner gas mass-temperature profile in the core of nearby galaxy clusters | Autori: | Liu, Haonan Fabian, Andrew C. PINTO, CIRO |
Data pubblicazione: | 2020 | Rivista: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Numero: | 497 | Fascicolo: | 1 | Da pagina:: | 1256 | Abstract: | We present a mass-temperature profile of gas within the central 10 kpc of a small sample of cool core clusters. The mass of the hottest gas phases, at 1.5 and 0.7 keV, is determined from X-ray spectra from the XMM Reflection Grating Spectrometers. The masses of the partially ionized atomic and the molecular phases are obtained from published H α and CO measurements. We find that the mass of gas at 0.7 keV in a cluster is remarkably similar to that of the molecular gas. Assuming pressure equilibrium between the phases, this means that they occupy volumes differing by 10<SUP>5</SUP>. The molecular gas is located within the H α nebula which is often filamentary and coincides radially and in position angle with the soft X-ray emitting gas. | URI: | http://hdl.handle.net/20.500.12386/31143 | URL: | https://academic.oup.com/mnras/article/497/1/1256/5870692 | ISSN: | 0035-8711 | DOI: | 10.1093/mnras/staa2023 | Bibcode ADS: | 2020MNRAS.497.1256L | Fulltext: | open |
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