Relativistic Jets in Radio-Weak Quasars and LINER Galaxies
H. Falcke, A. S. Wilson, Luis C. Ho
Abstract
Open-access reader
H. Falcke, A. S. Wilson, Luis C. Ho
Abstract
Open-access reader
We discuss radio observations of a sample of radio-weak and radio-intermediate quasars which demonstrate that - just like their radio-loud counterparts - radio-weak quasars too have relativistic jets in their nuclei. Moreover, a VLA survey of nearby LINER galaxies reveals a relatively large number of flat-spectrum radio cores. It is suggested that those cores are also best explained by moderately relativistic jets (gamma~2) produced by a central engine.
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We discuss radio observations of a sample of radio-weak and radio-intermediate quasars which demonstrate that - just like their radio-loud counterparts - radio-weak quasars too have relativistic jets in their nuclei. Moreover, a VLA survey of nearby LINER galaxies reveals a relatively large number of flat-spectrum radio cores. It is suggested that those cores are also best explained by moderately relativistic jets (gamma~2) produced by a central engine.
Key concepts: Quasar, Astrophysical jet, Radio galaxy, Astrophysics, Physics, Galaxy, Astronomy, Relativistic beaming