output
19992026
most citedThe Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

2.5k citations

Showing 2015 · astro-ph.HEShow all

18 papers · 2 filters

astro-ph.HE2015★ 47 cited

The NuSTAR Extragalactic Surveys: Initial Results and Catalog from the Extended Chandra Deep Field South

J. R. Mullaney, A. Del-Moro, J. Aird +33

We present initial results and the source catalog from the NuSTAR survey of the Extended Chandra Deep Field South (hereafter, ECDFS) - currently the deepest contiguous component of…

astro-ph.HE2015★ 74 cited

The NuSTAR Extragalactic Surveys: Overview and Catalog from the COSMOS Field

F. Civano, R. C. Hickox, S. Puccetti +28

To provide the census of the sources contributing to the X-ray background peak above 10 keV, NuSTAR is performing extragalactic surveys using a three-tier "wedding cake" approach.…

astro-ph.HE2015★ 58 cited

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,…

astro-ph.HE2015★ 138 cited

NuSTAR catches the unveiling nucleus of NGC 1068

A. Marinucci, S. Bianchi, G. Matt +15

We present a NuSTAR and XMM-Newton monitoring campaign in 2014/2015 of the Compton-thick Seyfert 2 galaxy, NGC 1068. During the August 2014 observation, we detect with NuSTAR a flu…

astro-ph.HE2015★ 58 cited

The NuSTAR view of reflection and absorption in NGC 7582

E. Rivers, M. Baloković, P. Arévalo +14

NGC 7582 is a well-studied X-ray bright Seyfert 2 with moderately heavy (~cm), highly variable absorption and strong reflection spectral fea…

astro-ph.HE2015★ 81 cited

The NuSTAR Extragalactic Surveys: The Number Counts of Active Galactic Nuclei and the Resolved Fraction of the Cosmic X-ray Background

F. A. Harrison, J. Aird, F. Civano +41

We present the 3-8 keV and 8-24 keV number counts of active galactic nuclei (AGN) identified in the NuSTAR extragalactic surveys. NuSTAR has now resolved 33-39% of the X-ray backgr…

astro-ph.HE2015★ 424 cited

BlackCAT: A catalogue of stellar-mass black holes in X-ray transients

Jesus M. Corral-Santana, Jorge Casares, Teo Munoz-Darias +3

During the last ~50 years, the population of black hole candidates in X-ray binaries has increased considerably with 59 Galactic objects detected in transient low-mass X-ray binari…

astro-ph.HE2015★ 2 cited

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…

astro-ph.HE2015★ 52 cited

The hard X-ray emission of the luminous infrared galaxy NGC 6240 as observed by NuSTAR

S. Puccetti, A. Comastri, F. E. Bauer +23

We present a broad-band (~0.3-70 keV) spectral and temporal analysis of NuSTAR observations of the luminous infrared galaxy NGC 6240, combined with archival Chandra, XMM-Newton and…

astro-ph.HE2015★ 66 cited

NuSTAR Observations of the Compton-thick Active Galactic Nucleus and Ultraluminous X-ray Source Candidate in NGC 5643

A. Annuar, P. Gandhi, D. M. Alexander +22

We present two NuSTAR observations of the local Seyfert 2 active galactic nucleus (AGN) and an ultraluminous X-ray source (ULX) candidate in NGC 5643. Together with archival data f…

astro-ph.HE2015★ 55 cited

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*…

astro-ph.HE2015★ 22 cited

Temporal Analysis of Dissipative Structures in Magnetohydrodynamic Turbulence

Vladimir Zhdankin, Dmitri A. Uzdensky, Stanislav Boldyrev

Energy dissipation is highly intermittent in turbulent plasmas, being localized in coherent structures such as current sheets. The statistical analysis of spatial dissipative struc…

astro-ph.HE2015★ 75 cited

NuSTAR Reveals Extreme Absorption in z < 0.5 Type 2 Quasars

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

The intrinsic column density (NH) distribution of quasars is poorly known. At the high obscuration end of the quasar population and for redshifts z<1, the X-ray spectra can only be…

astro-ph.HE2015★ 41 cited

Multiwavelength behaviour of the blazar OJ 248 from radio to γ-rays

M. I. Carnerero, C. M. Raiteri, M. Villata +4

We present an analysis of the multiwavelength behaviour of the blazar OJ 248 at z = 0.939 in the period 2006-2013. We use low-energy data (optical, near-infrared, and radio) obtain…

astro-ph.HE2015★ 48 cited

The Multi-Layer Variable Absorbers in NGC 1365 Revealed by XMM-Newton and NuSTAR

E. Rivers, G. Risaliti, D. J. Walton +15

Between July 2012 and February 2013, NuSTAR and XMM-Newton performed four long-look joint obser- vations of the type 1.8 Seyfert, NGC 1365. We have analyzed the variable absorption…

astro-ph.HE2015★ 82 cited

Determining the covering factor of Compton-thick active galactic nuclei with NuSTAR

M. Brightman, M. Balokovic, D. Stern +19

The covering factor of Compton-thick obscuring material associated with the torus in active galactic nuclei (AGN) is at present best understood through the fraction of sources exhi…

astro-ph.HE2015★ 2 cited

A First Look at the X-ray Population of the Young Massive Cluster VVV CL077

Arash Bodaghee, John A. Tomsick, Francesca Fornasini +2

Multi-wavelength analysis of the young massive cluster VVV CL077 is presented for the first time. Our Chandra survey of this region enabled the detection of three X-ray emitting st…

astro-ph.HE2015★ 48 cited

Ultra-deep catalog of X-ray groups in the Extended Chandra Deep Field South

A. Finoguenov, M. Tanaka, M. Cooper +22

Ultra-deep observations of ECDF-S with Chandra and XMM-Newton enable a search for extended X-ray emission down to an unprecedented flux of ergs s cm…