WHIM in Large-Scale Structures

Details WHIM in Large-Scale Structures WHIM in Large-Scale Structures

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cxo..prop.2250z&link_type=abstract

Chandra Proposal ID #08900955

Physics

Chandra Proposal Id #08900955

Scientific paper

Simulations and observations indicate that galaxy overdensities are good tracers of the dark matter large-scale structures and therefore of the diffuse warm-hot phase (WHIM) that should be associated with them. The WHIM in these large-scale structures should have large column densities, and therefore should be much easier to detect than the low density WHIM probed so far through absorption line studies. However, this efficient method of investigating WHIM has yet to be exploited. We have identified 8 bright blazars located just in the background of 5 known superclusters. We propose to probe and study the WHIM in these structures by identifying the associated absorption lines in the spectrum of these AGNs during their outbursts, through TOO observations for a total of 200ks with HRC-S/LETG.

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