The Effect of Heating and Cooling on Scaling Laws of X-Ray Clusters

Details The Effect of Heating and Cooling on Scaling Laws of X-Ray Clusters The Effect of Heating and Cooling on Scaling Laws of X-Ray Clusters

2001-09-28

arxiv.org/abs/astro-ph/0109554v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures. Contribution to "Tracing Cosmic Evolution with Galaxy Clusters" (Sesto2001), ASP Conference Series

Scientific paper

We present results of including heating and cooling in cosmological simulations of the $\Lambda$CDM cosmology and demonstrate their effects on scaling laws of galaxy clusters. The scaling relations when radiative cooling is included are in good agreement with observations but the fraction of cooled gas is on the upper limit allowed by observations. On the contrary, the preheating model has a more realistic cooled fraction but the scaling relations are less well produced.

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