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Tracking the energetics of the non-thermal disc-corona-jet in the very high state GX 339-4
Aya Kubota, Chris Done
The dramatic hard-soft spectral transition in Black Hole Binaries is important as it is associated with the collapse of the jet and with the strongest low frequency QPOs. These tra…
X-Ray Polarimetry with the Polarization Spectroscopic Telescope Array (PolSTAR)
Henric S. Krawczynski, Daniel Stern, Fiona A. Harrison +49
This paper describes the Polarization Spectroscopic Telescope Array (PolSTAR), a mission proposed to NASA's 2014 Small Explorer (SMEX) announcement of opportunity. PolSTAR measures…
A disk wind interpretation of the strong Fe Kα features in 1H 0707-495
Kouichi Hagino, Hirokazu Odaka, Chris Done +3
1H 0707-495 is the most convincing example of a supermassive black hole with an X-ray spectrum being dominated by extremely smeared, relativistic reflection, with the additional re…
Minimum X-ray source size for a lamp-post corona in light-bending models for AGN
Michal Dovciak, Chris Done
The lamppost model is often used to describe the X-ray source geometry in AGN, where an infinitesimal point source is located on the black hole spin axis. This is especially invoke…
The Accreting Black Hole Swift J1753.5-0127 from Radio to Hard X-Ray
John A. Tomsick, Farid Rahoui, Mari Kolehmainen +19
(abridged) We report on multi-wavelength measurements of Swift J1753.5-0127 in the hard state at L=2.7e36 erg/s (assuming d=3 kpc) in 2014. The radio emission is optically thick sy…
The Mass and Spin of The Extreme Narrow Line Seyfert 1 Galaxy 1H 0707-495 and Its Implications for The Trigger for Relativistic Jets
Chris Done, Chichuan Jin
Relativistic reflection models of the X-ray spectrum of the `complex' Narrow Line Seyfert 1 (NLS1) 1H 0707-495 require a high spin, moderate inclination, low mass black hole. With…