activity
19942026
most citedBroad iron lines in Active Galactic Nuclei

547 citations · 4k across the 53 of their papers we have counts for

collaborators
Showing astro-ph.HEShow all

25 papers · 1 filter

astro-ph.HE2025

Narrow-Line Seyfert 1 Galaxies Beyond the Local X-ray Universe: An X-ray spectral sample

Jiachen Jiang, Dominic J. Walton, Luigi C. Gallo +8

Narrow-line Seyfert 1 AGNs (NLS1s) represent a unique stage in the black hole growth history, characterised by low black hole masses of approximately - solar masses…

astro-ph.HE2021★ 19 cited

Extreme Relativistic Reflection in the Active Galaxy ESO 033-G002

D. J. Walton, M. Balokovic, A. C. Fabian +13

We present the first high signal-to-noise broadband X-ray spectrum of the radio-quiet type-2 Seyfert ESO 033-G002, combining data from - and . The nuclear X-ra…

astro-ph.HE2020★ 25 cited

A Full Characterisation of the Supermassive Black Hole in IRAS 09149-6206

D. J. Walton, W. N. Alston, P. Kosec +11

We present new broadband X-ray observations of the type-I Seyfert galaxy IRAS 09149-6206, taken in 2018 with -, and . The source is highly complex, sho…

astro-ph.HE2020★ 20 cited

Detection of a variable ultra-fast outflow in the Narrow Line Seyfert 1 galaxy PG 1448+273

P. Kosec, A. Zoghbi, D. J. Walton +4

Relativistically blueshifted absorption features of highly ionised ions, the so-called ultra-fast outflows (UFOs), have been detected in the X-ray spectra of a number of accreting…

astro-ph.HE2019★ 22 cited

An ionised accretion disc wind in Hercules X-1

P. Kosec, A. C. Fabian, C. Pinto +3

Hercules X-1 is one of the best studied highly magnetised neutron star X-ray binaries with a wealth of archival data. We present the discovery of an ionised wind in its X-ray spect…

astro-ph.HE2018★ 18 cited

AGN feedback in the Phoenix cluster

Ciro Pinto, Christopher J. Bambic, Jeremy S. Sanders +5

Active galactic nuclei (AGN) release a huge amount of energy into the intracluster medium (ICM) with the consequence of offsetting cooling and star formation (AGN feedback) in the…