Hot Gas Halos in Galaxies

Details Hot Gas Halos in Galaxies Hot Gas Halos in Galaxies

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1240..146m&link_type=abstract

HUNTING FOR THE DARK: THE HIDDEN SIDE OF GALAXY FORMATION. Edited by Victor P. Debattista and Cristina C. Popescu AIP Conferen

Computer Science

Galaxies, Clusters Of Galaxies, Telescopes, Stellar Winds, Stellar Mass, Origin, Formation, Evolution, Age, And Star Formation, Galaxy Clusters, X- And Gamma-Ray Telescopes And Instrumentation, Mass Loss And Stellar Winds, Masses

Scientific paper

We use Chandra and XMM-Newton to study how the hot gas content in early-type galaxies varies with environment. We find that the LX-LK relationship is steeper for field galaxies than for comparable galaxies in groups and clusters. This suggests that internal processes such as supernovae driven winds or AGN feedback may expel hot gas from low mass field galaxies. Such mechanisms are less effective in groups and clusters where the presence of an intragroup or intracluster medium may confine outflowing material.

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