The Galaxy Profile of Clusters in the COSMOS Field

Details The Galaxy Profile of Clusters in the COSMOS Field The Galaxy Profile of Clusters in the COSMOS Field

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dmap.conf..245j&link_type=abstract

DARK MATTER IN ASTROPARTICLE AND PARTICLE PHYSICS. Proceedings of the 6th International Heidelberg Conference. Held 24-28 Septem

Physics

Cosmology: Large-Scale Structure

Scientific paper

We present the initial findings of a study into the assembly of galaxy clusters throughout cosmic time with the Cosmic Evolution Survey (COSMOS). Using cluster locations extracted from the X-ray temperature maps of the COSMOS-XMM survey paired with photometric redshifts, we examine the cluster-galaxy cross-correlation function in its projected form on scales beneath 10 Mpc/h for clusters in the mass range 1012 ≤ M/M&sun; ≤ 1014 and extending to a redshift z ~ 1.25. We find a strong positive trend in the amplitude of the cross-correlation function with increasing cluster mass and a weaker dependence on redshift, at least partially explicable by a systematic effect arising from the method of locating clusters.

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