output
19922026
most citedMeasurements of Omega and Lambda from 42 High-Redshift Supernovae

18.1k citations

Showing 2013Show all

136 papers · 1 filter

astro-ph.SR2013★ 24 cited

NuSTAR and Swift observations of the fast rotating magnetized white dwarf AE Aquarii

Takao Kitaguchi, Hongjun An, Andrei M. Beloborodov +11

AE Aquarii is a cataclysmic variable with the fastest known rotating magnetized white dwarf (P_spin = 33.08 s). Compared to many intermediate polars, AE Aquarii shows a soft X-ray…

physics.space-ph2013★ 55 cited

Correlations at large scales and the onset of turbulence in the fast solar wind

Robert T. Wicks, D. Aaron Roberts, Alfred Mallet +3

We show that the scaling of structure functions of magnetic and velocity fields in a mostly highly Alfvénic fast solar wind stream depends strongly on the joint distribution of the…

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.GA2013★ 36 cited

First hard X-ray detection of the non-thermal emission around the Arches cluster: morphology and spectral studies with NuSTAR

Roman A. Krivonos, John A. Tomsick, Franz E. Bauer +15

The Arches cluster is a young, densely packed massive star cluster in our Galaxy that shows a high level of star formation activity. The nature of the extended non-thermal X-ray em…

astro-ph.SR2013★ 38 cited

Detection of coherent structures in photospheric turbulent flows

Abraham C. -L. Chian, Erico L. Rempel, Guillaume Aulanier +4

We study coherent structures in solar photospheric flows in a plage in the vicinity of the active region AR 10930 using the horizontal velocity data derived from Hinode/SOT magneto…

astro-ph.HE2013★ 293 cited

Fermi-LAT Observations of the Gamma-ray Burst GRB 130427A

LAT collaboration, GBM collaboration

The observations of the exceptionally bright gamma-ray burst (GRB) 130427A by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope provide constraints on the nature…

astro-ph.SR2013★ 38 cited

Chromospheric and Coronal Observations of Solar Flares with the Helioseismic and Magnetic Imager

Juan-Carlos Martínez Oliveros, Säm Krucker, Hugh S. Hudson +7

We report observations of white-light ejecta in the low corona, for two X-class flares on the 2013 May 13, using data from the Helioseismic and Magnetic Imager (HMI) of the Solar D…

astro-ph.HE2013★ 20 cited

Cutoff in the hard X-ray spectra of the ultraluminous X-ray sources HoIX X-1 and M82 X-1

Sergey Sazonov, Alexander Lutovinov, Roman Krivonos

Using data from the XMM-Newton and INTEGRAL observatories, we have detected a cutoff at energies above 10 keV in the X-ray spectra of the ultraluminous X-ray sources HoIX X-1 and M…

astro-ph.IM2013★ 13 cited

Developing a method for soft gamma-ray Laue lens assembly and calibration

Nicolas M. Barrière, John A. Tomsick, Steven E. Boggs +6

Laue lenses constitute a promising option for concentrating soft gamma rays with a large collection area and reasonable focal lengths. In astronomy they could lead to increased tel…

astro-ph.CO2013★ 183 cited

Measurement of the Cosmic Microwave Background Polarization Lensing Power Spectrum with the POLARBEAR experiment

POLARBEAR Collaboration, P. A. R. Ade, Y. Akiba +70

Gravitational lensing due to the large-scale distribution of matter in the cosmos distorts the primordial Cosmic Microwave Background (CMB) and thereby induces new, small-scale …

astro-ph.CO2013★ 94 cited

Evidence for Gravitational Lensing of the Cosmic Microwave Background Polarization from Cross-correlation with the Cosmic Infrared Background

POLARBEAR Collaboration, P. A. R. Ade, Y. Akiba +73

We reconstruct the gravitational lensing convergence signal from Cosmic Microwave Background (CMB) polarization data taken by the POLARBEAR experiment and cross-correlate it with C…

astro-ph.CO2013★ 47 cited

Lensed Type Ia Supernovae as Probes of Cluster Mass Models

J. Nordin, D. Rubin, J. Richard +19

Using three magnified Type Ia supernovae (SNe Ia) detected behind CLASH clusters, we perform a first pilot study to see whether standardizable candles can be used to calibrate clus…

astro-ph.GA2013★ 827 cited

Planck 2013 results. XI. All-sky model of thermal dust emission

Planck Collaboration, A. Abergel, P. A. R. Ade +244

This paper presents an all-sky model of dust emission from the Planck 857, 545 and 353 GHz, and IRAS 100 micron data. Using a modified black-body fit to the data we present all-sky…

astro-ph.HE2013★ 1 cited

The 3 Ms Chandra Campaign on Sgr A*: A Census of X-ray Flaring Activity from the Galactic Center

J. Neilsen, M. A. Nowak, C. Gammie +14

Over the last decade, X-ray observations of Sgr A* have revealed a black hole in a deep sleep, punctuated roughly once per day by brief flares. The extreme X-ray faintness of this…

astro-ph.HE2013★ 71 cited

Einstein@Home discovery of four young gamma-ray pulsars in Fermi LAT data

H. J. Pletsch, L. Guillemot, B. Allen +15

We report the discovery of four gamma-ray pulsars, detected in computing-intensive blind searches of data from the Fermi Large Area Telescope (LAT). The pulsars were found using a…

astro-ph.CO2013★ 131 cited

The Host Galaxies of Type Ia Supernovae Discovered by the Palomar Transient Factory

Y. -C. Pan, M. Sullivan, K. Maguire +16

We present spectroscopic observations of the host galaxies of 82 low-redshift type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory (PTF). We determine star-forma…

astro-ph.HE2013★ 183 cited

The ultraluminous X-ray sources NGC 1313 X-1 and X-2: a broadband study with NuSTAR and XMM-Newton

Matteo Bachetti, Vikram Rana, Dominic J. Walton +16

We present the results of NuSTAR and XMM-Newton observations of the two ultraluminous X-ray sources (ULX) NGC 1313 X-1 and X-2. The combined spectral bandpass of the two satellites…

astro-ph.HE2013★ 74 cited

The First Pulse of the Extremely Bright GRB 130427A: A Test Lab for Synchrotron Shocks

R. Preece, J. Michael Burgess, A. von Kienlin +156

Gamma-ray burst (GRB) 130427A is one of the most energetic GRBs ever observed. The initial pulse up to 2.5 s is possibly the brightest well-isolated pulse observed to date. A fine…

astro-ph.HE2013★ 127 cited

NuSTAR discovery of a luminosity dependent cyclotron line energy in Vela X-1

Felix Fuerst, Katja Pottschmidt, Joern Wilms +13

We present NuSTAR observations of Vela X-1, a persistent, yet highly variable, neutron star high-mass X-ray binary (HMXB). Two observations were taken at similar orbital phases but…

physics.space-ph2013★ 56 cited

Collisional Thermalization of Hydrogen and Helium in Solar Wind Plasma

Bennett A. Maruca, Stuart D. Bale, Luca Sorriso-Valvo +2

In situ observations of the solar wind frequently show the temperature of -particles (fully ionized helium), , to significantly differ from that of protons (ionized hydroge…

astro-ph.HE2013★ 88 cited

NuSTAR Observations of GRB130427A establish a single component synchrotron afterglow origin for the late optical to multi-GeV emission

C. Kouveliotou, J. Granot, J. L. Racusin +17

GRB 130427A occurred in a relatively nearby galaxy; its prompt emission had the largest GRB fluence ever recorded. The afterglow of GRB 130427A was bright enough for the Nuclear Sp…

astro-ph.HE2013★ 40 cited

NuSTAR observations of magnetar 1E 1841-045

Hongjun An, Romain Hascoet, Victoria M. Kaspi +18

We report new spectral and temporal observations of the magnetar 1E 1841-045 in the Kes 73 supernova remnant obtained with the Nuclear Spectroscopic Telescope Array (NuSTAR). Combi…

astro-ph.HE2013★ 20 cited

High-Energy X-rays from J174545.5-285829, the Cannonball: A Candidate Pulsar Wind Nebula Associated with Sgr A East

Melania Nynka, Charles J. Hailey, Kaya Mori +12

We report the unambiguous detection of non-thermal X-ray emission up to 30 keV from the Cannonball, a few-arcsecond long diffuse X-ray feature near the Galactic Center, using the N…

astro-ph.IM2013★ 12 cited

Jumping the energetics queue: Modulation of pulsar signals by extraterrestrial civilizations

Jayanth Chennamangalam, Andrew P. V. Siemion, D. R. Lorimer +1

It has been speculated that technological civilizations evolve along an energy consumption scale first formulated by Kardashev, ranging from human-like civilizations that consume e…