The Fossil Group NGC 1132

Details The Fossil Group NGC 1132 The Fossil Group NGC 1132

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20514704a&link_type=abstract

American Astronomical Society Meeting 205, #147.04; Bulletin of the American Astronomical Society, Vol. 36, p.1593

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a mass profile of the fossil group NGC 1132. Using a deprojection analysis of Chandra imaging spectroscopy we derive plasma temperature and density profiles, and under the assumption of hydrostatic equilibrium we calculate the total gravitating mass. We examine the validity of the hydrostatic hypothesis using maps of the projected temperature, electron density, pressure, and entropy of the group plasma, and estimate the effect of departures from equilibrium on the measurment of its mass.

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