Statistics – Computation
Scientific paper
Dec 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...292...27f&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 292, no. 1, p. 27-32
Statistics
Computation
Computational Astrophysics, Galactic Clusters, Gas Density, Polytropic Processes, Stellar Models, Stellar Physics, Stellar Temperature, Stellar Winds, X Ray Astronomy, X Ray Sources, Abundance, Density Distribution, Interstellar Gas, Metals, Spectroscopy, Stellar Evolution, Temperature Distribution, X Ray Spectra
Scientific paper
The intracluster gas of clusters of galaxies shows a metal enrichment with nearly solar abundances of metals. Two possible mechanisms are indicated for the injection of material by member galaxies: ram pressure stripping and protogalactic winds. In this article it is proposed a new static model that with respect to the non-polytropic model formulated by Cavaliere & Fusco-Femiano (1981), utilized to jointly fit all the available X-ray and optical imaging and spectroscopic data of the Coma cluster, includes also the contribution of supernovae-driven protogalactic winds to the heating and mass of the intracluster medium. The use of this model for the analysis of spatially resolved X-ray spectra should allow to discriminate between the wind and ram-pressure stripping scenario, regarding the injected energy and the metal enrichment of the intracluster gas.
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