We study the link between the X-ray emission in radio-quiet AGNs and the accretion rate on the central Supermassive Black-Hole (SMBH) using a well-defined and statistically complete sample of 70 type1 AGNs extracted from the XMM-Newton Bright Serendipitous survey (XBS). To this end, we search and quantify the statistical correlations between the main parameters that characterize the X-ray emission (i.e. the X-ray spectral slope and the X-ray loudness), and the accretion rate, both absolute and relative to the Eddington limit (Eddington ratio). Here, we summarize and discuss the main statistical correlations found and their possible implications on current disk-corona models.
@article{arxiv.1212.5693,
title = {The relationship between X-ray emission and accretion in X-ray selected AGNs},
author = {R. Fanali and A. Caccianiga and P. Severgnini and R. Della Ceca and M. Dotti and E. Marchese and A. Corral},
journal= {arXiv preprint arXiv:1212.5693},
year = {2012}
}
Comments
2 pages, in Proceedings of the Workshop "X-ray astronomy: towards the next 50 years!", Milano, October 1-5, 2012, Mem. S.A.It in press