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78 papers
Revealing a hard X-ray spectral component that reverberates within one light hour of the central supermassive black hole in Ark 564
M. Giustini, T. J. Turner, J. N. Reeves +4
Ark 564 (z=0.0247) is an X-ray-bright NLS1. By using advanced X-ray timing techniques, an excess of "delayed" emission in the hard X-ray band (4-7.5 keV) following about 1000 secon…
Physical Conditions in the X-ray Emission-line Gas in NGC 1068
S. B. Kraemer, N. Sharma, T. J. Turner +2
We present a detailed, photoionization modeling analysis of XMM-Newton/Reflection Grating Spectrometer observations of the Seyfert 2 galaxy NGC 1068. The spectrum, previously analy…
A Comprehensive X-ray Spectral Analysis of the Seyfert 1.5 NGC 3227
A. Markowitz, J. N. Reeves, I. M. George +5
We present results of a 100 ks XMM observation of the Seyfert 1.5 NGC 3227. Our best-fit broadband model to the pn spectrum consists of a moderately flat (photon index 1.57) hard X…
An XMM-Newton survey of broad iron lines in Seyfert galaxies
K. Nandra, P. M. O'Neill, I. M. George +1
We present an analysis of the X-ray spectra of a sample of 37 observations of 26 Seyfert galaxies observed by XMM-Newton in order to characterize their iron K emission. All objects…
Relativistic Iron K Emission and absorption in the Seyfert 1.9 galaxy MCG-5-23-16
V. Braito, J. N. Reeves, G. C. Dewangan +9
We present the results of the simultaneous deep XMM and Chandra observations of the bright Seyfert 1.9 galaxy MCG-5-23-16, which is thought to have one of the best known examples o…
A 100ks XMM-Newton view of the Seyfert 1.8 ESO113-G010. I. Discovery of large X-ray variability and study of the FeKalpha line complex
Delphine Porquet, Phil Uttley, James N. Reeves +6
(Abridged) We present here a long (100ks) XMM-Newton follow-up of the Seyfert 1.8 galaxy ESO113-G010 performed in November 2005, in order to study over a longer time-scale its main…