Radio jet interactions in the radio galaxy PKS 2152-699
Abstract
We present radio observations of the radio galaxy PKS 2152-699 obtained with the Australia Telescope Compact Array (ATCA). The much higher resolution and s/n of the new radio maps reveals the presence of a bright radio component about 10 arcsec NE of the nucleus. This lies close to the highly ionized cloud previously studied in the optical and here shown in a broadband red snapshot image with the HST PC2. It suggests that PKS 2152-699 may be a jet/cloud interaction similar to 3C277.3. This could cause the change in the position angle (of ~20 deg) of the radio emission from the inner to the outer regions. On the large scale, the source has Fanaroff & Riley type II morphology although the presence of the two hot-spots in the centres of the lobes is unusual. The northern lobe shows a particularly relaxed structure while the southern one has an edge-brightened, arc-like structure.
Cite
@article{arxiv.astro-ph/9801249,
title = {Radio jet interactions in the radio galaxy PKS 2152-699},
author = {R. A. E. Fosbury and R. Morganti and W. Wilson and R. D. Ekers and S. di Serego Alighieri and C. N. Tadhunter},
journal= {arXiv preprint arXiv:astro-ph/9801249},
year = {2009}
}
Comments
7 pages, 5 encapsulated figures, 1 JPEG figure, accepted for MNRAS