a High-Redshift (Z=0.95) Cluster Revealed by a First Bent-Double Radio Source

Details a High-Redshift (Z=0.95) Cluster Revealed by a First Bent-Double Radio Source a High-Redshift (Z=0.95) Cluster Revealed by a First Bent-Double Radio Source

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1302s&link_type=abstract

Chandra Proposal ID #04800012

Computer Science

Chandra Proposal Id #04800012

Scientific paper

Bent double-lobed radio sources achieve their morphologies from the relative motion between their host galaxies and the dense ICM associated with the clusters in which they are embedded. Since many of the radio galaxies are hosted by cD ellipticals, thought to be at the bottom of potential wells, the relative motion may be the result of a recent cluster-cluster merger causing bulk motion of the ICM. We have selected a sample of 384 bent doubles from the VLA FIRST survey, and propose here to observe the most distant confirmed object in our sample at z=0.95 (10 spectroscopic redshifts). Measurement of the mass and temperature of this cluster is an important complement to those values measured from clusters selected from optical and X-ray surveys and will help to constrain Omega.

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