Tools for computing the AGN feedback: radio-loudness distribution and the kinetic luminosity function

Details Tools for computing the AGN feedback: radio-loudness distribution and the kinetic luminosity function Tools for computing the AGN feedback: radio-loudness distribution and the kinetic luminosity function

2010-06-07

arxiv.org/abs/1006.1247v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

13 pages, ApJsty; ApJ in press

Scientific paper

We studied the Active Galactic Nuclei (AGN) radio emission from a compilation of hard X-ray selected samples, all observed in the 1.4 GHz band. A total of more than 1600 AGN with 2-10 keV de-absorbed luminosities higher than 10^42 erg/s were used. For a sub-sample of about 50 z\lsim 0.1 AGN it was possible to reach a ~80% fraction of radio detections and therefore, for the first time, it was possible to almost completely measure the probability distribution function of the ratio between the radio and the X-ray luminosity Rx=log[L(1.4)/Lx]. The probability distribution function of Rx was functionally fitted as dependent on the X-ray luminosity and redshift, P(Rx|Lx,z). It roughly spans over 6 decades (-7

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