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most citedDissecting X-ray-emitting Gas around the Center of our Galaxy

304 citations · 1.7k across the 31 of their papers we have counts for

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astro-ph.HE2019★ 10 cited

XRB continuum fitting with sensitive high energy X-ray detectors

M. L. Parker, D. J. K. Buisson, J. A. Tomsick +4

The launch of the Nuclear Spectroscopic Telescope Array (NuSTAR) heralded a new era of sensitive high energy X-ray spectroscopy for X-ray binaries (XRBs). In this paper we show how…

astro-ph.HE2016★ 82 cited

An Iron K Component to the Ultrafast Outflow in NGC 1313 X-1

D. J. Walton, M. J. Middleton, C. Pinto +8

We present the detection of an absorpton feature at keV in the combined X-ray spectrum of the ultraluminous X-ray source NGC 1313 X-1 observed with XMM-New…

astro-ph.HE2016★ 124 cited

Hitomi constraints on the 3.5 keV line in the Perseus galaxy cluster

Hitomi Collaboration, Felix A. Aharonian, Hiroki Akamatsu +215

High-resolution X-ray spectroscopy with Hitomi was expected to resolve the origin of the faint unidentified E=3.5 keV emission line reported in several low-resolution studies of va…

astro-ph.HE2015★ 141 cited

NuSTAR and Suzaku observations of the hard state in Cygnus X-1: locating the inner accretion disk

M. L. Parker, J. A. Tomsick, J. M. Miller +20

We present simultaneous Nuclear Spectroscopic Telescope Array (NuSTAR ) and Suzaku observations of the X-ray binary Cygnus X-1 in the hard state. This is the first time this state…

astro-ph.HE2014★ 59 cited

Coronal Properties of the Seyfert 1.9 Galaxy MCG -05-23-016 Determined from Hard X-ray Spectroscopy with NuSTAR

M. Baloković, G. Matt, F. A. Harrison +15

Measurements of the high-energy cut-off in the coronal continuum of active galactic nuclei have long been elusive for all but a small number of the brightest examples. We present a…

astro-ph.HE2014★ 83 cited

NuSTAR unveils a Compton-thick Type 2 quasar in Mrk 34

P. Gandhi, G. B. Lansbury, D. M. Alexander +27

We present Nustar 3-40 keV observations of the optically selected Type 2 quasar (QSO2) SDSS J1034+6001 or Mrk 34. The high-quality hard X-ray spectrum and archival XMM-Newton data…

astro-ph.HE2014★ 58 cited

Observations of MCG-5-23-16 with Suzaku, XMM-Newton and NuSTAR: Disk tomography and Compton hump reverberation

A. Zoghbi, E. M. Cackett, C. Reynolds +12

MCG-5-23-16 is one of the first AGN where relativistic reverberation in the iron K line originating in the vicinity of the supermassive black hole was found, based on a short XMM-N…

astro-ph.HE2014★ 25 cited

Multi-Wavelength Coverage of State Transitions in the New Black Hole X-Ray Binary Swift J1910.2-0546

N. Degenaar, D. Maitra, E. M. Cackett +11

Understanding how black holes accrete and supply feedback to their environment is one of the outstanding challenges of modern astrophysics. Swift J1910.2-0546 is a candidate black…

astro-ph.HE2014★ 100 cited

Simultaneous NuSTAR and XMM-Newton 0.5-80 keV spectroscopy of the Narrow Line Seyfert 1 galaxy SWIFT J2127.4+5654

A. Marinucci, G. Matt, E. Kara +20

We present a broad band spectral analysis of the joint XMM-Newton and NuSTAR observational campaign of the Narrow Line Seyfert 1 SWIFT J2127.4+5654, consisting of 300 ks performed…

astro-ph.HE2014★ 109 cited

Broadband X-ray Spectra of the Ultraluminous X-ray Source Holmberg IX X-1 observed with NuSTAR, XMM-Newton and Suzaku

D. J. Walton, F. A. Harrison, B. W. Grefenstette +16

We present results from the coordinated broadband X-ray observations of the extreme ultraluminous X-ray source Holmberg IX X-1 performed by NuSTAR, XMM-Newton and Suzaku in late 20…

astro-ph.HE2013★ 40 cited

Measuring the Coronal Properties of IC4329A with NuSTAR

L. W. Brenneman, G. Madejski, F. Fuerst +16

We present an analysis of a ~160 ks NuSTAR observation of the nearby bright Seyfert galaxy IC4329A. The high-quality broadband spectrum enables us to separate the effects of distan…

astro-ph.HE2013★ 92 cited

Constraints on the Neutron Star and Inner Accretion Flow in Serpens X-1 Using NuSTAR

J. M. Miller, M. L. Parker, F. Fuerst +17

We report on an observation of the neutron star low-mass X-ray binary Serpens X-1, made with NuSTAR. The extraordinary sensitivity afforded by NuSTAR facilitated the detection of a…

astro-ph.HE2013★ 97 cited

An Extremely Luminous and Variable Ultraluminous X-ray Source in the Outskirts of Circinus Observed with NuSTAR

D. J. Walton, F. Fuerst, F. A. Harrison +16

Following a serendipitous detection with the NuSTAR observatory, we present a multi-epoch spectral and temporal analysis of an extreme ultraluminous X-ray source (ULX) located in t…

astro-ph.HE2013★ 304 cited

Dissecting X-ray-emitting Gas around the Center of our Galaxy

Q. D. Wang, M. A. Nowak, S. B. Markoff +16

Most supermassive black holes (SMBHs) are accreting at very low levels and are difficult to distinguish from the galaxy centers where they reside. Our own Galaxy's SMBH provides a…

astro-ph.HE2012★ 42 cited

Contribution of the accretion disk, hot corona, and obscuring torus to the luminosity of Seyfert galaxies: INTEGRAL and Spitzer observations

S. Sazonov, S. P. Willner, A. D. Goulding +12

We estimate the relative contributions of the supermassive black hole (SMBH) accretion disk, corona, and obscuring torus to the bolometric luminosity of Seyfert galaxies, using Spi…

astro-ph.HE2011★ 4 cited

Analysing the Suzaku Spectra of the Broad-Line Seyfert 1 Galaxy CBS 126

Chia-Ying Chiang, R. C. Reis, A. C. Fabian +2

We analysed new simultaneous \emph{Suzaku} and \emph{Swift} data of the Broad Line Seyfert 1 (BLS1) galaxy CBS 126. A clear Fe emission line and a strong soft excess are present in…

astro-ph.HE2011★ 34 cited

Comparing Spectral Models for ULXs with NGC 4517 ULX1

D. J. Walton, J. C. Gladstone, T. P. Roberts +4

We present the previously unanalysed high quality XMM-Newton spectrum of an ultraluminous X-ray source candidate in NGC 4517. As with other high quality ULX spectra, a downturn in…