Tracing the X-ray cosmic web at z=0.3

Details Tracing the X-ray cosmic web at z=0.3 Tracing the X-ray cosmic web at z=0.3

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cxo..prop.2040g&link_type=abstract

Chandra Proposal ID #07900561

Computer Science

Chandra Proposal Id #07900561

Scientific paper

X-ray source overdensities around galaxy clusters together with spikes in the redshift distribution of X-ray selected sources have shown that AGN are powerful tracers of large scale structures. How AGN form and evolve within the cosmic web is one of the main current research topic, but the lack of statistically significant AGN samples in single coherent cosmic structures is preventing a full understanding. The proposed observations aim at filling this gap by mapping a likely filamentary structure between two galaxy clusters. We propose to cover with 3 Chandra ACIS-I pointings of 50 ks each the field between Abell 1995 and its companion cluster at 6 Mpc (projected distance) which provides a unique combination between an already known X-ray source overdensity and a close cluster pair.

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