Probing the accretion-jet physics with the radio/X-ray correlation

Details Probing the accretion-jet physics with the radio/X-ray correlation Probing the accretion-jet physics with the radio/X-ray correlation

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..968..355w&link_type=abstract

ASTROPHYSICS OF COMPACT OBJECTS: International Conference on Astrophysics of Compact Objects. AIP Conference Proceedings, Volum

Astronomy and Astrophysics

Astrophysics

2

Black Holes, Accretion And Accretion Disks, Quasars, Active And Peculiar Galaxies And Related Systems

Scientific paper

Recent observations on both microquasars and AGNs with radio and X-ray telescopes have revealed remarkable radio/X-ray correlation of these objects. Because the radio and X-ray emissions are mainly emitted from jet and accretion flow, the radio/X-ray correlation can be used to probe the accretion-jet physics in these accreting black hole systems. Using a uniform broad line SDSS AGN sample, we derived the black hole fundamental plane relationship among the 1.4 GHz radio luminosity (Lr), 0.1-2.4 keV X-ray luminosity (LX), and black hole mass (M). We found from our sample that the fundamental plane relation has a very weak dependence on the black hole mass, and a tight correlation also exists between the Eddington luminosity scaled X-ray and radio luminosities for the radio quiet subsample. In addition, we noticed that radio-loud AGNs have steeper power-law slope in the radio/X-ray correlation than radio-quiet AGNs. This is mainly due to the different origin of X-ray emissions in radio-loud and radio-quiet AGNs. We discussed the theoretical interpretations of these results and the similarity in the radio/X-ray correlation between microquasars and AGNs.

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