ESO422-G028: The Host Galaxy of a GRG

Details ESO422-G028: The Host Galaxy of a GRG ESO422-G028: The Host Galaxy of a GRG

2003-10-21

arxiv.org/abs/astro-ph/0310602v1

Astronomy and Astrophysics

Astrophysics

4 pages, 4 Postscript figures, uses baltlat1.sty To be published in "Radio astronomy at 70: from Karl Jansky to microjansky",

Scientific paper

ESO422-G028 denotes the very center cD-galaxy of the giant radio source B0503-286 (Saripalli et al. 1986, Subrahmanya and Hunstead, 1986). The angular extent of the associated radio structure is about 42.4 arcmin, which corresponds to a linear size of 1.89 Mpc (with Omega_M=0.27, Omega_Lambda=0.73, and H_0=71 km/s/Mpc). Here we present new high-frequency total-power and polarization radio maps obtained with the Effelsberg 100-m dish. In addition, we correlate the radio data with optical and X-ray observations to investigate the physical conditions of both, the host galaxy and the extended structure.

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