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Gravitational Heating Helps Make Massive Galaxies Red and Dead

ASTROPHYSICAL JOURNAL LETTERS, no. 1 (2009): L38-L43

Cited: 76|Views32

Abstract

We study the thermal formation history of four simulated galaxies that were shown by Naab et al. to reproduce a number of observed properties of elliptical galaxies. The temperature of the gas in the galaxies is steadily increasing with decreasing redshift, although much of the gas has a cooling time shorter than the Hubble time. The gas ...More

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