output
19932026
most citedObservational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

19.6k citations

Showing 2014 · astro-ph.HEShow all

21 papers · 2 filters

astro-ph.HE2014★ 61 cited

Large scale distribution of ultra high energy cosmic rays detected at the Pierre Auger Observatory with zenith angles up to 80

The Pierre Auger Collaboration

We present the results of an analysis of the large angular scale distribution of the arrival directions of cosmic rays with energy above 4 EeV detected at the Pierre Auger Observat…

astro-ph.HE2014★ 210 cited

Searches for Anisotropies in the Arrival Directions of the Highest Energy Cosmic Rays Detected by the Pierre Auger Observatory

Pierre Auger Collaboration

We analyze the distribution of arrival directions of ultra-high energy cosmic rays recorded at the Pierre Auger Observatory in 10 years of operation. The data set, about three time…

astro-ph.HE2014★ 109 cited

Zooming In on the Progenitors of Superluminous Supernovae With the HST

R. Lunnan, R. Chornock, E. Berger +25

We present Hubble Space Telescope (HST) rest-frame ultraviolet imaging of the host galaxies of 16 hydrogen-poor superluminous supernovae (SLSNe), including 11 events from the Pan-S…

astro-ph.HE2014★ 112 cited

Detection of Galactic Center source G2 at 3.8 m during periapse passage

Gunther Witzel, Andrea M. Ghez, Mark R. Morris +14

We report new observations of the Galactic Center source G2 from the W. M. Keck Observatory. G2 is a dusty red object associated with gas that shows tidal interactions as it nears…

astro-ph.HE2014★ 17 cited

Search for patterns by combining cosmic-ray energy and arrival directions at the Pierre Auger Observatory

The Pierre Auger Collaboration

Energy-dependent patterns in the arrival directions of cosmic rays are searched for using data of the Pierre Auger Observatory. We investigate local regions around the highest-ener…

astro-ph.HE2014★ 309 cited

Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Composition Implications

Pierre Auger Collaboration

Using the data taken at the Pierre Auger Observatory between December 2004 and December 2012, we have examined the implications of the distributions of depths of atmospheric shower…

astro-ph.HE2014★ 3 cited

The Optical Luminosity Function of Gamma-ray Bursts deduced from ROTSE-III Observations

X. H. Cui, X. F. Wu, J. J. Wei +16

We present the optical luminosity function (LF) of gamma-ray bursts (GRBs) estimated from a uniform sample of 58 GRBs from observations with the Robotic Optical Transient Search Ex…

astro-ph.HE2014★ 42 cited

Chandra survey in the AKARI North Ecliptic Pole Deep Field. I. X-ray data, point-like source catalog, sensitivity maps, and number counts

M. Krumpe, T. Miyaji, H. Brunner +10

We present data products from the 300 ks Chandra survey in the AKARI North Ecliptic Pole (NEP) deep field. This field has a unique set of 9-band infrared photometry covering 2-24 m…

astro-ph.HE2014★ 390 cited

Depth of Maximum of Air-Shower Profiles at the Pierre Auger Observatory: Measurements at Energies above 10^17.8 eV

Pierre Auger Collaboration

We report a study of the distributions of the depth of maximum, Xmax, of extensive air-shower profiles with energies above 10^17.8 eV as observed with the fluorescence telescopes o…

astro-ph.HE2014★ 112 cited

The NuSTAR View of Nearby Compton-thick AGN: The Cases of NGC 424, NGC 1320 and IC 2560

M. Baloković, A. Comastri, F. A. Harrison +25

We present X-ray spectral analyses for three Seyfert 2 active galactic nuclei, NGC 424, NGC 1320, and IC 2560, observed by NuSTAR in the 3-79 keV band. The high quality hard X-ray…

astro-ph.HE2014★ 259 cited

Muons in air showers at the Pierre Auger Observatory: Mean number in highly inclined events

Pierre Auger Collaboration

We present the first hybrid measurement of the average muon number in air showers at ultra-high energies, initiated by cosmic rays with zenith angles between and $80^\ci…

astro-ph.HE2014★ 40 cited

Neutrino Lighthouse at Sagittarius A*

Y. Bai, A. J. Barger, V. Barger +3

We investigate whether a subset of high-energy events observed by IceCube may be due to neutrinos from Sagittarius A*. We check both spatial and temporal coincidences of IceCube ev…

astro-ph.HE2014★ 23 cited

A Targeted Search for Point Sources of EeV Neutrons

The Pierre Auger Collaboration, A. Aab, P. Abreu +482

A flux of neutrons from an astrophysical source in the Galaxy can be detected in the Pierre Auger Observatory as an excess of cosmic-ray air showers arriving from the direction of…

astro-ph.HE2014★ 37 cited

A search for point sources of EeV photons

Pierre Auger Collaboration, A. Aab, P. Abreu +483

Measurements of air showers made using the hybrid technique developed with the fluorescence and surface detectors of the Pierre Auger Observatory allow a sensitive search for point…

astro-ph.HE2014★ 41 cited

A Trio of GRB-SNe: GRB 120729A, GRB 130215A / SN 2013ez and GRB 130831A / SN 2013fu

Z. Cano, A. de Ugarte Postigo, A. Pozanenko +62

We present optical and near-infrared (NIR) photometry for three gamma-ray burst supernovae (GRB-SNe): GRB 120729A, GRB 130215A / SN 2013ez and GRB 130831A / SN 2013fu. In the case…

astro-ph.HE2014★ 214 cited

Towards Characterization of the Type IIP Supernova Progenitor Population: a Statistical Sample of Light Curves from Pan-STARRS1

N. E. Sanders, A. M. Soderberg, S. Gezari +30

In recent years, wide-field sky surveys providing deep multi-band imaging have presented a new path for indirectly characterizing the progenitor populations of core-collapse supern…

astro-ph.HE2014★ 7 cited

Pre-outburst observations of Nova Del 2013 from Pan-STARRS 1

N. R. Deacon, D. W. Hoard, E. A. Magnier +9

Nova Delphini 2013 was identified on the 14th of August 2013 and eventually rose to be a naked eye object. We sought to study the behaviour of the object in the run-up to outburst…

astro-ph.HE2014★ 132 cited

Probing the radio emission from air showers with polarization measurements

Pierre Auger Collaboration

The emission of radio waves from air showers has been attributed to the so-called geomagnetic emission process. At frequencies around 50 MHz this process leads to coherent radiatio…

astro-ph.HE2014★ 82 cited

Selecting superluminous supernovae in faint galaxies from the first year of the Pan-STARRS1 Medium Deep Survey

M. McCrum, S. J. Smartt, A. Rest +36

The Pan-STARRS1 (PS1) survey has obtained imaging in 5 bands (grizy_P1) over 10 Medium Deep Survey (MDS) fields covering a total of 70 square degrees. This paper describes the sear…

astro-ph.HE2014★ 156 cited

Cosmic Neutrino Pevatrons: A Brand New Pathway to Astronomy, Astrophysics, and Particle Physics

Luis A. Anchordoqui, Vernon Barger, Ilias Cholis +8

The announcement by the IceCube Collaboration of the observation of 28 cosmic neutrino candidates has been greeted with a great deal of justified excitement. The data reported so f…

astro-ph.HE2014★ 34 cited

Potential for Precision Measurement of Low-Energy Antiprotons with GAPS for Dark Matter and Primordial Black Hole Physics

T. Aramaki, S. E. Boggs, P. von Doetinchem +6

The general antiparticle spectrometer (GAPS) experiment is a proposed indirect dark matter search focusing on antiparticles produced by WIMP (weakly interacting massive particle) a…