VLA and VLBA observations of compact radio cores in LINER galaxies

Details VLA and VLBA observations of compact radio cores in LINER galaxies VLA and VLBA observations of compact radio cores in LINER galaxies

1998-10-15

arxiv.org/abs/astro-ph/9810229v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, (PASP)Latex, to appear in: Proceedings of the International Symposium on Astrophysics Research And Science

Scientific paper

A VLA survey of nearby LINER galaxies at 15 GHz has revealed the presence of a compact radio core in many sources. The cores seem to be correlated with the optical activity. Follow-up VLBA observations of the ten brightest sources confirm that these cores have brightness temperatures >10^8 Kelvin, thus confirming their AGN nature. The two brightest radio sources (NGC6500 and NGC4278) show extended jet-like structures and the flat spectral indices of all cores also suggest a jet nature rather than emission from an ADAF.

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