395 citations · 7.9k across the 186 of their papers we have counts for
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Mapping the Intracluster Medium in the Era of High-resolution X-ray Spectroscopy
Congyao Zhang, Irina Zhuravleva, Maxim Markevitch +24
High-resolution spectroscopy in soft X-rays will open a new window to map multiphase gas in galaxy clusters and probe physics of the intracluster medium (ICM), including chemical e…
X-ray polarization evidence for a 200 years-old flare of Sgr A
Frédéric Marin, Eugene Churazov, Ildar Khabibullin +101
The center of the Milky Way Galaxy hosts a 4 million solar mass black hole (Sgr A) that is currently very quiescent with a luminosity many orders of magnitude below those…
NuSTAR Observations of Candidate Subparsec Binary Supermassive Black Holes
M. Lynne Saade, Murray Brightman, Daniel Stern +12
We present analysis of NuSTAR X-ray observations of three AGN that were identified as candidate subparsec binary supermassive black hole (SMBH) systems in the Catalina Real-Time Tr…
A Swift X-ray view of the SMS4 sample -- X-ray properties of 31 quasars and radio galaxies
Alessandro Maselli, William R. Forman, Christine Jones +2
We present Swift observations of 31 sources from the SMS4 catalog, a sample of 137 bright radio sources in the Southern Hemisphere. All these sources had no Chandra or XMM-Newton o…
High frequency radio imaging of 3CR 403.1 with the Sardinia Radio Telescope
Valentina Missaglia, Matteo Murgia, Francesco Massaro +5
We present multifrequency observations of the radio source 3CR 403.1, a nearby (z=0.055), extended (0.5 Mpc) radio galaxy hosted in a small galaxy group. Using new high frequ…
The NuSTAR and Chandra view of CL 0217+70 and Its Tell-Tale Radio Halo
Ayşegül Tümer, Daniel R. Wik, Xiaoyuan Zhang +11
Mergers of galaxy clusters are the most energetic events in the universe, driving shock and cold fronts, generating turbulence, and accelerating particles that create radio halos a…
Late-Time X-ray Observations of the Transient Source Cygnus A-2
Bradford Snios, Martijn De Vries, Paul E. J. Nulsen +3
We examine Chandra observations of the powerful Fanaroff-Riley class II (FR II) radio galaxy Cygnus A for an X-ray counterpart to the radio transient Cygnus A-2 that was first dete…
Radio relics in PSZ2 G096.88+24.18: A connection with pre-existing plasma
A. Jones, F. de Gasperin, V. Cuciti +10
Giant radio relics are arc-like structures of diffuse, non-thermal synchrotron radiation that trace shock waves induced by galaxy cluster mergers. The particle (re-)acceleration me…
Hidden treasures in the unknown 3CR extragalactic radio sky: a multi-wavelength approach
V. Missaglia, F. Massaro, E. Liuzzo +17
We present the analysis of multi-wavelength observations of seven extragalactic radio sources, listed as unidentified in the Third Cambridge Revised Catalog (3CR). X-ray observatio…
Extended X-ray emission around FR II radio galaxies: hotspots, lobes and galaxy clusters
Ana Jimenez-Gallardo, Francesco Massaro, Alessandro Paggi +20
We present a systematic analysis of the extended X-ray emission discovered around 35 FR II radio galaxies from the revised Third Cambridge catalog (3CR) Chandra Snapshot Survey wit…
ClG 0217+70: A massive merging galaxy cluster with a large radio halo and relics
X. Zhang, A. Simionescu, J. S. Kaastra +7
We present an analysis of archival Chandra data of the merging galaxy cluster ClG 0217+70. The Fe XXV He X-ray emission line is clearly visible in the 25 ks observation, allowin…
The Chandra Deep Wide-Field Survey: A New Chandra Legacy Survey in the Boötes Field I. X-ray Point Source Catalog, Number Counts and Multi-Wavelength Counterparts
A. Masini, R. C. Hickox, C. M. Carroll +30
We present a new, ambitious survey performed with the Chandra X-ray Observatory of the 9.3 deg Boötes field of the NOAO Deep Wide-Field Survey. The wide field probes a statisti…
The Proper Motion of the Central Compact Object RX J0822-4300 in the Supernova Remnant Puppis A, Revisited
Martin Mayer, Werner Becker, Daniel Patnaude +2
We present an improved proper motion measurement of the central compact object RX J0822-4300, located in the supernova remnant Puppis A. By employing a new data set taken in Februa…
The X-Ray Cavity Around Hotspot E in Cygnus A: Tunneled by a Deflected Jet
Bradford Snios, Amalya C. Johnson, Paul E. J. Nulsen +5
The powerful FR II radio galaxy Cygnus A exhibits primary and secondary hotspots in each lobe. A 2 Msec Chandra X-ray image of Cygnus A has revealed an approximately circular hole,…
The discovery of radio halos in the Frontier Fields clusters Abell S1063 and Abell 370
C. Xie, R. J. van Weeren, L. Lovisari +13
Massive merging galaxy clusters often host diffuse Mpc-scale radio synchrotron emission. This emission originates from relativistic electrons in the ionized intracluster medium (IC…
Chandra Observations of Candidate Sub-Parsec Binary Supermassive Black Holes
M. Lynne Saade, Daniel Stern, Murray Brightman +10
We present analysis of Chandra X-ray observations of seven quasars that were identified as candidate sub-parsec binary supermassive black hole (SMBH) systems in the Catalina Real-T…
Characterisation of the Particle-Induced Background of XMM-Newton EPIC-pn: Short and Long Term Variability
Esra Bulbul, Ralph Kraft, Paul Nulsen +16
The particle-induced background of X-ray observatories is produced by Galactic Cosmic Ray (GCR) primary protons, electrons, and He ions. Events due to direct interaction with the d…
Detection of Superluminal Motion in the X-Ray Jet of M87
Bradford Snios, Paul E. J. Nulsen, Ralph P. Kraft +5
Chandra HRC observations are investigated for evidence of proper motion and brightness changes in the X-ray jet of the nearby radio galaxy M87. Using images spanning 5 yr, proper m…
WATCAT: a tale of wide-angle tailed radio galaxies
V. Missaglia, F. Massaro, A. Capetti +4
We present a catalog of 47 wide-angle tailed radio galaxies (WATs), the WATCAT; these galaxies were selected by combining observations from the National Radio Astronomy Observatory…
Physics of cosmic plasmas from high angular resolution X-ray imaging of galaxy clusters
Maxim Markevitch, Esra Bulbul, Eugene Churazov +15
Galaxy clusters are massive dark matter-dominated systems filled with X-ray emitting, optically thin plasma. Their large size and relative simplicity (at least as astrophysical obj…
Supermassive Black Hole Spin and Reverberation
A. Zoghbi, D. R. Wilkins, L. Brenneman +7
X-ray reverberation mapping has emerged as a powerful probe of microparsec scales around AGN, and with high sensitivity detectors, its full potential in echo-mapping the otherwise…
X-rays Studies of the Solar System
Bradford Snios, William R. Dunn, Carey M. Lisse +23
X-ray observatories contribute fundamental advances in Solar System studies by probing Sun-object interactions, developing planet and satellite surface composition maps, probing gl…
Variability and Proper Motion of X-ray Knots in the Jet of Centaurus A
Bradford Snios, Sarka Wykes, Paul E. J. Nulsen +8
We report results from Chandra observations analyzed for evidence of variability and proper motion in the X-ray jet of Centaurus A. Using data spanning 15 years, collective proper…
Focusing on the extended X-ray emission in 3C 459 with a Chandra follow-up observation
A. Maselli, R. P. Kraft, F. Massaro +1
We investigated the X-ray emission properties of the powerful radio galaxy 3C 459 revealed by a recent Chandra follow-up observation carried out in October 2014 with a 62 ks exposu…