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arXiv · astro-ph/9810229

VLA and VLBA observations of compact radio cores in LINER galaxies

Heino Falcke·Luis C. Ho·James S. Ulvestad·Andrew S. Wilson·Neil M. Nagar
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Abstract

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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Heino Falcke, Luis C. Ho, James S. Ulvestad, Andrew S. Wilson, Neil M. Nagar. 1998-10-15. VLA and VLBA observations of compact radio cores in LINER galaxies. https://arxiv.org/abs/astro-ph/9810229

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