Radio Sources in Low-Luminosity AGNs. IV

DOI

We present the completed results of a high resolution radio imaging survey of all (~200) low-luminosity active galactic nuclei (LLAGNs) and AGNs in the Palomar Spectroscopic Sample of all (~488) bright northern galaxies. The high incidences of pc-scale radio nuclei, with implied brightness temperatures >~10^7K, and sub-parsec jets argue for accreting black holes in >=50% of all LINERs and low-luminosity Seyferts; there is no evidence against all LLAGNs being mini-AGNs. The detected parsec-scale radio nuclei are preferentially found in massive ellipticals and in type 1 nuclei (i.e. nuclei with broad Halpha emission). The radio luminosity function (RLF) of Palomar Sample LLAGNs and AGNs extends three orders of magnitude below, and is continuous with, that of 'classical' AGNs. We find marginal evidence for a low-luminosity turnover in the RLF; nevertheless LLAGNs are responsible for a significant fraction of present day mass accretion.

Cone search capability for table J/A+A/435/521/table1 (*High-resolution 15GHz VLA imaging of Palomar AGN & LLAGN (low-luminosity AGN))

Cone search capability for table J/A+A/435/521/table2 (*VLBI observations of Palomar LLAGN & AGN)

Identifier
DOI http://doi.org/10.26093/cds/vizier.34350521
Source https://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/A+A/435/521
Related Identifier https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/435/521
Related Identifier http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/435/521
Metadata Access http://dc.g-vo.org/rr/q/pmh/pubreg.xml?verb=GetRecord&metadataPrefix=oai_b2find&identifier=ivo://CDS.VizieR/J/A+A/435/521
Provenance
Creator Nagar N.M.; Falcke H.; Wilson A.S.
Publisher CDS
Publication Year 2005
Rights https://cds.unistra.fr/vizier-org/licences_vizier.html
OpenAccess true
Contact CDS support team <cds-question(at)unistra.fr>
Representation
Resource Type Dataset; AstroObjects
Discipline Astrophysics and Astronomy; Galactic and extragalactic Astronomy; High Energy Astrophysics; Natural Sciences; Physics