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X-ray emission and absorption features during an energetic thermonuclear X-ray burst from IGR J17062-6143
N. Degenaar, J. M. Miller, R. Wijnands +2
Type-I X-ray bursts are thermonuclear explosions occurring in the surface layers of accreting neutron stars. These events are powerful probes of the physics of neutron stars and th…
Probing General Relativity with Accreting Black Holes
A. C. Fabian
Most of the X-ray emission from luminous accreting black holes emerges from within 20 gravitational radii. The effective emission radius is several times smaller if the black hole…
The rapid evolution of AGN feedback in brightest cluster galaxies: switching from quasar-mode to radio-mode feedback
J. Hlavacek-Larrondo, A. C. Fabian, A. C. Edge +4
We present an analysis of the 2-10 keV X-ray emission associated with the active galactic nuclei (AGNs) in brightest cluster galaxies (BCGs). Our sample consists of 32 BCGs that li…
A Broad Iron Line in LMC X-1
James F. Steiner, Rubens C. Reis, Andrew C. Fabian +6
We present results from a deep Suzaku observation of the black hole in LMC X-1, supplemented by coincident monitoring with RXTE. We identify broad relativistic reflection features…
AGN feedback and triggering of star formation in galaxies
W. Ishibashi, A. C. Fabian
Feedback from the central black hole in active galactic nuclei (AGN) may be responsible for establishing the observed MBH-sigma relation and limiting the bulge stellar mass of the…
The Black Hole Spin and Soft X-ray Excess of the Luminous Seyfert Galaxy Fairall 9
Anne M. Lohfink, Christopher S. Reynolds, Jon M. Miller +4
We present an analysis of all XMM-Newton and Suzaku X-ray spectra of the nearby luminous Seyfert galaxy Fairall 9. Confirming previous analyses, we find robust evidence for a broad…
Galaxy cluster outskirts: a universal entropy profile for relaxed clusters?
S. A. Walker, A. C. Fabian, J. S. Sanders +1
We fit a functional form for a universal ICM entropy profile to the scaled entropy profiles of a catalogue of X-ray galaxy cluster outskirts results, which are all relaxed cool cor…
Long XMM observation of the Narrow-Line Seyfert 1 galaxy IRAS13224-3809: rapid variability, high spin and a soft lag
A. C. Fabian, E. Kara, D. J. Walton +21
Results are presented from a 500ks long XMM-Newton observation of the Narrow-Line Seyfert 1 galaxy IRAS13224-3809. The source is rapidly variable on timescales down to a few 100s.…
The nature of the bright ULX X-2 in NGC3921: a Chandra position and HST candidate counterpart
P. G. Jonker, M. Heida, M. A. P. Torres +6
We report on Chandra observations of the bright ultra-luminous X-ray (ULX) source in NGC3921. Previous XMM observations reported in the literature show the presence of a bright ULX…
Large-scale Motions in the Perseus Galaxy Cluster
A. Simionescu, N. Werner, O. Urban +6
By combining large-scale mosaics of ROSAT PSPC, XMM-Newton, and Suzaku X-ray observations, we present evidence for large-scale motions in the intracluster medium of the nearby, X-r…
Athena (Advanced Telescope for High ENergy Astrophysics) Assessment Study Report for ESA Cosmic Vision 2015-2025
X. Barcons, D. Barret, A. Decourchelle +16
Athena is an X-ray observatory-class mission concept, developed from April to December 2011 as a result of the reformulation exercise for L-class mission proposals in the framework…
A comparison of broad iron emission lines in archival data of neutron star low-mass X-ray binaries
Edward M. Cackett, Jon M. Miller, Rubens C. Reis +2
Relativistic X-ray disk-lines have been found in multiple neutron star low-mass X-ray binaries, in close analogy with black holes across the mass-scale. These lines have tremendous…
Residual Cooling and Persistent Star Formation amid AGN Feedback in Abell 2597
G. R. Tremblay, C. P. O'Dea, S. A. Baum +18
New Chandra X-ray and Herschel FIR observations enable a multiwavelength study of active galactic nucleus (AGN) heating and intracluster medium (ICM) cooling in the brightest clust…
Further X-ray observations of the galaxy cluster PKS 0745-191 to the virial radius and beyond
S. A. Walker, A. C. Fabian, J. S. Sanders +1
We use new Suzaku observations of PKS 0745-191 to measure the thermodynamic properties of its ICM out to and beyond r_{200} (reaching 1.25r_{200}) with better accuracy than previou…
Regulation of Black Hole Winds and Jets Across the Mass Scale
Ashley L. King, Jon M. Miller, John Raymond +7
We present a study of the mechanical power generated by both winds and jets across the black hole mass scale. We begin with the study of ionized X-ray winds and present a uniform a…
On the determination of the spin of the black hole in Cyg X-1 from X-ray reflection spectra
A. C. Fabian, D. R. Wilkins, J. M. Miller +9
The spin of Cygnus X-1 is measured by fitting reflection models to Suzaku data covering the energy band 0.9-400 keV. The inner radius of the accretion disc is found to lie within 2…
A Monte Carlo Markov Chain based investigation of black hole spin in the active galaxy NGC3783
C. S. Reynolds, L. W. Brenneman, A. M. Lohfink +4
The analysis of relativistically broadened X-ray spectral features from the inner accretion disk provides a powerful tool for measuring the spin of supermassive black holes (SMBH)…
A remarkable long-term light curve, and deep, low-state spectroscopy: Swift & XMM-Newton monitoring of the NLS1 galaxy Mkn 335
D. Grupe, S. Komossa, L. C. Gallo +5
The Narrow-line Seyfert 1 galaxy (NLS1) Mkn 335 is remarkable because it has repeatedly shown deep, long X-ray low-states which show pronounced spectral structure. It has become on…
X-ray observations of the galaxy cluster Abell 2029 to the virial radius
S. A. Walker, A. C. Fabian, J. S. Sanders +2
We present Suzaku observations of the galaxy cluster Abell 2029, which exploit Suzaku's low particle background to probe the ICM to radii beyond those possible with previous observ…
The Similarity of Broad Iron Lines in X-ray Binaries and Active Galactic Nuclei
D. J. Walton, R. C. Reis, E. M. Cackett +2
We have compared the 2001 XMM-Newton spectra of the stellar mass black hole binary XTE J1650-500 and the active galaxy MGC-6-30-15, focusing on the broad, excess emission features…
The X-ray luminous cluster underlying the z = 1.04 quasar PKS1229-021
H. R. Russell, A. C. Fabian, G. B. Taylor +5
We present a 100 ks Chandra observation studying the extended X-ray emission around the powerful z=1.04 quasar PKS1229-021. The diffuse cluster X-ray emission can be traced out to…
Discovery of a relation between black hole mass and soft X-ray time lags in active galactic nuclei
B. De Marco, G. Ponti, M. Cappi +5
We carried out a systematic analysis of time lags between X-ray energy bands in a large sample (32 sources) of unabsorbed, radio quiet active galactic nuclei (AGN), observed by XMM…