Spatial Analysis of the Hot Gas Distribution in a Complete Chandra Survey of Early-Type Galaxies
Physics and Astronomy
The amount of hot X-ray-emitting gas in early-type galaxies is thought to be indicative of the hydrodynamic state of the gas, with gas being more easily removed from galaxies with lower mass and/or stronger Type Ia supernovae-driven winds. Escaping gas should lead to more a extended gaseous X-ray emission profile than in galaxies with deep enough potential wells to retain the gas. We search for a correlation between the amount of hot gas and the slope of the hot gas surface brightness profile (normalized by the optical light) for a complete survey of optically bright early-type galaxies observed by Chandra in order to test the accuracy of wind-driven galactic models.
Spatial Analysis of the Hot Gas Distribution in a Complete Chandra Survey of Early-Type Galaxies. Maksym, W. P., Irwin, J. A., Wong, K.-W., Yukita, M., Su., Y., Lin, D., & Million, E. T. 2013, American Astronomical Society, HEAD Meeting, 13, No.120.16.
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