Emission line studies of young radio sources

Details Emission line studies of young radio sources Emission line studies of young radio sources

2003-01-31

arxiv.org/abs/astro-ph/0301642v1

New Astron.Rev. 47 (2003) 261-265

Astronomy and Astrophysics

Astrophysics

LaTeX, 6 pages, 3 postscript figures. Elsevier science format - NAR, style files included. To appear in the proceedings of the

Scientific paper

10.1016/S1387-6473(03)00036-8

We demonstrate the efficiency of high quality optical spectroscopic observations of two compact radio sources, PKS 1549-79 and PKS 1345+12, as a probe of the kinematics and physical conditions in the circumnuclear gas in the early stages of radio source evolution. We outline a schematic model for PKS 1345+12 based on the model for PKS 1549-79 proposed by Tadhunter et al. (2001) in which the young radio source is expanding through a dense and dusty enshrouding cocoon, sweeping material out of the circumnuclear regions.

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