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A fundamental plane of black hole activity: pushing forward the unification scheme | | Andrea Merloni
; Sebastian Heinz
; Tiziana Di Matteo
; | | Date: |
20 Oct 2004 | | Subject: | astro-ph | | Affiliation: | MPA), Sebastian Heinz (MIT), Tiziana Di Matteo (MPA | | Abstract: | We examine the disc--jet connection in stellar mass and supermassive black holes by investigating the properties of their compact emission in the hard X-ray and radio bands. We compile a sample of ~100 active galactic nuclei with measured mass, 5 GHz core emission, and 2-10 keV luminosity, together with 8 galactic black holes with a total of about 50 simultaneous observations in the radio and X-ray bands. Using this sample, we study the correlations between the radio (L_R) and the X-ray (L_X) luminosity and the black hole mass (M). We find that the radio luminosity is correlated with both M and L_X, at a highly significant level. We show how this result can be used to extend the standard unification by orientation scheme to encompass unification by mass and accretion rate. | | Source: | arXiv, astro-ph/0410481 | | Services: | Forum | Review | PDF | Favorites | |
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