552 citations · 16.5k across the 268 of their papers we have counts for
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X-ray absorption variability in NGC 4507
Andrea Marinucci, Guido Risaliti, Junfeng Wang +5
We present a complete spectral analysis of an XMM-Newton and Chandra campaign of the obscured AGN in NGC 4507, consisting of six observations spanning a period of six months, rangi…
An Examination of the Spectral Variability in NGC 1365 with Suzaku
L. W. Brenneman, G. Risaliti, M. Elvis +1
We present jointly analyzed data from three deep Suzaku observations of NGC 1365. These high signal-to-noise spectra enable us to examine the nature of this variable, obscured AGN…
SDSS 0956+5128: A Broad-line Quasar with Extreme Velocity Offsets
Charles L. Steinhardt, Malte Schramm, John D. Silverman +8
We report on the discovery of a Type 1 quasar, SDSS 0956+5128, with a surprising combination of extreme velocity offsets. SDSS 0956+5128 is a broad-lined quasar exhibiting emission…
CHEERS results on Mrk 573: Study of deep Chandra observations
Alessandro Paggi, Junfeng Wang, Giuseppina Fabbiano +2
We present results on Mrk 573 obtained as part of the CHandra survey of Extended Emission-line Regions in nearby Seyfert galaxies (CHEERS). Previous studies showed that this source…
The influence of soft spectral components on the structure and stability of warm absorbers in AGN
Susmita Chakravorty, Ranjeev Misra, Martin Elvis +2
The radiation from the central regions of active galactic nuclei, including that from the accretion disk surrounding the black hole, is likely to peak in the extreme ultraviolet $\…