87 citations · 285 across the 6 of their papers we have counts for
5 papers · 1 filter
Variable blurred reflection in the narrow-line Seyfert 1 galaxy Mrk 493
K. Bonson, L. C. Gallo, D. R. Wilkins +1
We examine a 200 ks XMM-Newton observation of the narrow-line Seyfert 1 galaxy Mrk 493. The active galaxy was half as bright as in a previous 2003 snapshot observation and the curr…
Flaring from the supermassive black hole in Mrk 335 studied with Swift and NuSTAR
D. R. Wilkins, L. C. Gallo, D. Grupe +3
Monitoring of the narrow line Seyfert 1 galaxy Markarian 335 (Mrk 335) with the Swift satellite discovered an X-ray flare beginning 2014 August 29. At the peak, the 0.5-5keV count…
Is HE 0436-4717 Anemic? A deep look at a bare Seyfert 1 galaxy
K. Bonson, L. C. Gallo, R. Vasudevan
A multi-epoch, multi-instrument analysis of the Seyfert 1 galaxy HE 0436-4717 is conducted using optical to X-ray data from XMM-Newton and Swift (including the BAT). Fitting of the…
Suzaku observations of Mrk 335: Confronting partial covering and relativistic reflection
L. C. Gallo, D. R. Wilkins, K. Bonson +7
We report on the deepest X-ray observation of the narrow-line Seyfert 1 galaxy Mrk 335 in the low-flux state obtained with Suzaku. The data are compared to a 2006 high-flux Suzaku…
A blurred reflection interpretation for the intermediate flux state in Mrk 335
L. C. Gallo, A. C. Fabian, D. Grupe +7
As part of a long term monitoring campaign of Mrk 335, deep XMM-Newton observations catch the narrow-line Seyfert 1 galaxy (NLS1) in a complex, intermediate flux interval as the ac…