Cluster Dark Matter on the Smallest Scales

Details Cluster Dark Matter on the Smallest Scales Cluster Dark Matter on the Smallest Scales

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..989b&link_type=abstract

Chandra Proposal ID #03800338

Physics

Chandra Proposal Id #03800338

Scientific paper

We propose to observe the cluster A2589 for 15ks with ACIS-S to measure the slope of its dark matter density profile at the smallest possible radii. A2589 is an ideal target for analysis of its core dark matter profile because it is bright, nearby (z=0.042), has a smooth, relaxed morphology, and does not possess a central radio source. Our proposed observation of A2589 will provide an important test of theories of dark matter and cosmology at the smallest fraction of a virial radius (0.010r_vir) to date.

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