Relation between dust and radio luminosity in optically selected early type galaxies

Details Relation between dust and radio luminosity in optically selected early type galaxies Relation between dust and radio luminosity in optically selected early type galaxies

2002-05-15

arxiv.org/abs/astro-ph/0205226v1

Astronomy and Astrophysics

Astrophysics

8 pages, 5 figures, accepted for publication in A&A

Scientific paper

10.1051/0004-6361:20020801

We have surveyed an optical/IR selected sample of nearby E/S0 galaxies with and without nuclear dust structures with the VLA at 3.6 cm to a sensitivity of 100 $\mu$Jy. We can construct a Radio Luminosity Function (RLF) of these galaxies to ~10^19 W/Hz and find that ~50% of these galaxies have AGNs at this level. The space density of these AGNs equals that of starburst galaxies at this luminosity. Several dust-free galaxies have low luminosity radio cores, and their RLF is not significantly less than that of the dusty galaxies.

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