ROSAT observations of clusters with wide-angle tailed radio sources

Details ROSAT observations of clusters with wide-angle tailed radio sources ROSAT observations of clusters with wide-angle tailed radio sources

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993stin...9414405b&link_type=abstract

Progress Report New Mexico State Univ., Las Cruces. Dept. of Astronomy.

Astronomy and Astrophysics

Astronomy

Galactic Clusters, High Temperature Gases, Radio Galaxies, Stellar Evolution, Temperature Distribution, X Ray Astronomy, X Ray Fluorescence, Intergalactic Media, Rosat Mission, Spectral Signatures, Stellar Cores

Scientific paper

The goal of these ROSAT PSPC pointed observations was to understand the nature of X-ray emission associated clusters that contain luminous wide-angle tailed (WAT) radio sources identified with the centrally dominant cluster galaxies. These 500 kpc diameter radio sources are strongly affected by confinement and interaction with the intracluster medium. So, a complete picture of the origin and evolution of these radio sources is not possible without detailed X-ray observations which sample the distribution and temperature of the surrounding hot gas. Two WAT clusters have been observed with the ROSAT PSPC to date. The first is Abell 2634 which contains the WAT 3C 465 and was approved for observations in AO-1. Unfortunately, these observations were broken into two widely separated pieces in time. The first data set containing about 9000 sec of integration arrived in mid-March, 1992. The second data set containing about 10,500 sec arrived just recently in early April (after a first tape was destroyed in the mail). The second cluster is 1919+479 which was approved for observations in AO-2. These ROSAT data arrived in October 1992.

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