2.3k citations · 7.6k across the 81 of their papers we have counts for
82 papers
Line Emission Mapper (LEM): Probing the physics of cosmic ecosystems
Ralph Kraft, Maxim Markevitch, Caroline Kilbourne +107
The Line Emission Mapper (LEM) is an X-ray Probe for the 2030s that will answer the outstanding questions of the Universe's structure formation. It will also provide transformative…
A Small Satellite Version of a Broad-band Soft X-ray Polarimeter
Herman L. Marshall, Sarah N. T. Heine, Alan Garner +16
We describe a new implementation of a broad-band soft X-ray polarimeter, substantially based on a previous design. This implementation, the Pioneer Soft X-ray Polarimeter (PiSoX) i…
NuSTAR reveals the hidden nature of SS433
M. J. Middleton, D. J. Walton, W. Alston +25
SS433 is the only Galactic binary system known to persistently accrete at highly super-critical (or hyper-critical) rates, similar to those in tidal disruption events, and likely n…
The X-ray reflection spectrum of the radio-loud quasar 4C 74.26
Anne Lohfink, Andrew Fabian, David Ballantyne +11
The relativistic jets created by some active galactic nuclei are important agents of AGN feedback. In spite of this, our understanding of what produces these jets is still incomple…
The NuSTAR Hard X-ray Survey of the Norma Arm Region
Francesca M. Fornasini, John A. Tomsick, JaeSub Hong +32
We present a catalog of hard X-ray sources in a square-degree region surveyed by NuSTAR in the direction of the Norma spiral arm. This survey has a total exposure time of 1.7 Ms, a…
The distribution of radioactive Ti in Cassiopeia A
Brian W. Grefenstette, Chris L. Fryer, Fiona A. Harrison +28
The distribution of elements produced in the inner-most layers of a supernova explosion is a key diagnostic for studying the collapse of massive stars. Here we present the results…
First NuSTAR observations of the BL Lac - type blazar PKS~2155-304: constraints on the jet content and distribution of radiating particles
G. M. Madejski, K. Nalewajko, K. K. Madsen +35
We report the first hard X-ray observations with NuSTAR of the BL Lac type blazar PKS 2155-304, augmented with soft X-ray data from XMM-Newton and gamma-ray data from the Fermi Lar…
NuSTAR Observations of the Black Hole GS 1354-645: Evidence of Rapid Black Hole Spin
A. M. El-Batal, J. M. Miller, M. T. Reynolds +10
We present the results of a NuSTAR study of the dynamically confirmed stellar-mass black hole GS 1354-645. The source was observed during its 2015 "hard" state outburst; we concent…
The Geometry of the Infrared and X-ray Obscurer in a Dusty Hyperluminous Quasar
Duncan Farrah, Mislav Balokovic, Daniel Stern +24
We study the geometry of the AGN obscurer in IRAS 09104+4109, an IR-luminous, radio-intermediate FR-I source at , using infrared data from Spitzer and Herschel, X-ray data…
The First Focused Hard X-ray Images of the Sun with NuSTAR
Brian W. Grefenstette, Lindsay Glesener, Säm Krucker +20
We present results from the the first campaign of dedicated solar observations undertaken by the \textit{Nuclear Spectroscopic Telescope ARray} ({\em NuSTAR}) hard X-ray telescope.…
Evidence for intermediate polars as the origin of the Galactic Center hard X-ray emission
Charles J. Hailey, Kaya Mori, Kerstin Perez +14
Recently, unresolved hard (20-40 keV) X-ray emission has been discovered within the central 10 pc of the Galaxy, possibly indicating a large population of intermediate polars (IPs)…
The Soft State of Cygnus X-1 Observed with NuSTAR: A Variable Corona and a Stable Inner Disk
D. J. Walton, J. A. Tomsick, K. K. Madsen +17
We present a multi-epoch hard X-ray analysis of Cygnus X-1 in its soft state based on four observations with NuSTAR. Despite the basic similarity of the observed spectra, there is…
NuSTAR Hard X-ray Survey of the Galactic Center Region II: X-ray Point Sources
JaeSub Hong, Kaya Mori, Charles J. Hailey +41
We present the first survey results of hard X-ray point sources in the Galactic Center (GC) region by NuSTAR. We have discovered 70 hard (3-79 keV) X-ray point sources in a 0.6 deg…
A NuSTAR observation of the reflection spectrum of the low mass X-ray binary 4U 1728-34
Clio C. Sleator, John A. Tomsick, Ashley L. King +13
We report on a simultaneous NuSTAR and Swift observation of the neutron star low-mass X-ray binary 4U 1728-34. We identified and removed four Type I X-ray bursts during the observa…
IC 751: a new changing-look AGN discovered by NuSTAR
C. Ricci, F. E. Bauer, P. Arevalo +12
We present the results of five NuSTAR observations of the type 2 active galactic nucleus (AGN) in IC 751, three of which were performed simultaneously with XMM-Newton or Swift/XRT.…
The NuSTAR Extragalactic Surveys: First Direct Measurements of the >10 keV X-Ray Luminosity Function for Active Galactic Nuclei at z>0.1
J. Aird, D. M. Alexander, D. R. Ballantyne +34
We present the first direct measurements of the rest-frame 10-40 keV X-ray luminosity function (XLF) of Active Galactic Nuclei (AGNs) based on a sample of 94 sources at 0.1 < z <3,…
X-Ray Polarimetry with the Polarization Spectroscopic Telescope Array (PolSTAR)
Henric S. Krawczynski, Daniel Stern, Fiona A. Harrison +49
This paper describes the Polarization Spectroscopic Telescope Array (PolSTAR), a mission proposed to NASA's 2014 Small Explorer (SMEX) announcement of opportunity. PolSTAR measures…
NuSTAR Hard X-ray Survey of the Galactic Center Region I: Hard X-ray Morphology and Spectroscopy of the Diffuse Emission
Kaya Mori, Charles J. Hailey, Roman Krivonos +35
We present the first sub-arcminute images of the Galactic Center above 10 keV, obtained with NuSTAR. NuSTAR resolves the hard X-ray source IGR J17456-2901 into non-thermal X-ray fi…
A NuSTAR Survey of Nearby Ultraluminous Infrared Galaxies
Stacy H. Teng, Jane R. Rigby, Daniel Stern +17
We present a NuSTAR, Chandra, and XMM--Newton survey of nine of the nearest ultraluminous infrared galaxies (ULIRGs). The unprecedented sensitivity of NuSTAR at energies above 10 k…
The Corona of the Broad-Line Radio Galaxy 3C 390.3
Anne Lohfink, Patrick Ogle, Francesco Tombesi +17
We present the results from a joint Suzaku/NuSTAR broad-band spectral analysis of 3C 390.3. The high quality data enables us to clearly separate the primary continuum from the repr…
Hard X-ray Morphological and Spectral Studies of The Galactic Center Molecular Cloud Sgr B2: Constraining Past Sgr A* Flaring Activity
Shuo Zhang, Charles J. Hailey, Kaya Mori +15
Galactic Center (GC) molecular cloud Sgr B2 is the best manifestation of an X-ray reflection nebula (XRN) reprocessing a past giant outburst from the supermassive black hole Sgr A*…
NuSTAR discovery of an unusually steady long-term spin-up of the Be binary 2RXP J130159.6-635806
Roman A. Krivonos, Sergey S. Tsygankov, Alexander A. Lutovinov +14
We present spectral and timing analysis of NuSTAR observations of the accreting X-ray pulsar 2RXP J130159.6-635806. The source was serendipitously observed during a campaign focuse…
Characterizing X-ray and Radio emission in the Black Hole X-Ray Binary V404 Cygni during Quiescence
Vikram Rana, Alan Loh, Stephane Corbel +17
We present results from multi-wavelength simultaneous X-ray and radio observations of the black hole X-ray binary V404 Cyg in quiescence. Our coverage with NuSTAR provides the very…
NuSTAR observations of the powerful radio-galaxy Cygnus A
Christopher S. Reynolds, Anne M. Lohfink, Patrick M. Ogle +17
We present NuSTAR observations of the powerful radio galaxy Cygnus A, focusing on the central absorbed active galactic nucleus (AGN). Cygnus A is embedded in a cool-core galaxy clu…