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The location and kinematics of the coronal-line emitting regions in AGN
J. R. Mullaney, M. J. Ward, C. Done +2
We use the photoionisation code Cloudy to determine both the location and the kinematics of the optical forbidden, high ionisation line (hereafter, FHIL) emitting gas in the narrow…
The impact of accretion disk winds on the X-ray spectrum of AGN: Part 2 - XSCORT + Hydrodynamic Simulations
N. J. Schurch, C. Done, D. Proga
abridged: We use XSCORT, together with the hydrodynamic accretion disc wind simulation from Proga & Kallman (2004), to calculate the impact that the accretion disk wind has on the…
Reprocessing of X-rays in the outer accretion disc of the black hole binary XTE J1817--330
Marek Gierlinski, Chris Done, Kim Page
We build a simple model of the optical/UV emission from irradiation of the outer disc by the inner disc and coronal emission in black hole binaries. We apply this to the broadband…
RE J1034+396: The origin of the soft X-ray excess and QPO
Matthew Middleton, Chris Done, Martin Ward +2
The X-ray quasi-periodic oscillation (QPO) seen in RE J1034+396 is so far unique amongst AGN. Here we look at the another unique feature of RE J1034+396, namely its huge soft X-ray…
A ~1-hour X-ray periodicity in an active galaxy RE J1034+396
Marek Gierlinski, Matthew Middleton, Martin Ward +1
Active galactic nuclei and quasars are thought to be scaled up versions of Galactic black hole binaries, powered by accretion onto supermassive black holes with masses of 10^6-10^9…
Angular Momentum Transport in Accretion Disks and its Implications for Spin Estimates in Black Hole Binaries
Chris Done, Shane W. Davis
The accretion flow in the disk dominated state of black hole binaries has peak temperature and luminosity which vary together in such a way as to indicate an approximately constant…