output
19922026
Showing 2019 · astro-ph.HEShow all

53 papers · 2 filters

astro-ph.HE2019★ 12 cited

Searches for neutrinos from cosmic-ray interactions in the Sun using seven years of IceCube data

IceCube Collaboration, M. G. Aartsen, M. Ackermann +358

Cosmic-ray interactions with the solar atmosphere are expected to produce particle showers which in turn produce neutrinos from weak decays of mesons. These solar atmospheric neutr…

astro-ph.HE2019★ 74 cited

Constraints on the Diffuse Flux of Ultra-High Energy Neutrinos from Four Years of Askaryan Radio Array Data in Two Stations

ARA Collaboration, P. Allison, S. Archambault +71

The Askaryan Radio Array (ARA) is an ultra-high energy (UHE, eV) neutrino detector designed to observe neutrinos by searching for the radio waves emitted by the relativi…

astro-ph.HE2019★ 7 cited

The Mystery of Photometric Twins DES17X1boj and DES16E2bjy

M. Pursiainen, C. Gutierrez, P. Wiseman +80

We present an analysis of DES17X1boj and DES16E2bjy, two peculiar transients discovered by the Dark Energy Survey (DES). They exhibit nearly identical double-peaked light curves wh…

astro-ph.HE2019★ 10 cited

Constraints on Neutrino Emission from Nearby Galaxies Using the 2MASS Redshift Survey and IceCube

IceCube Collaboration, M. G. Aartsen, M. Ackermann +354

The distribution of galaxies within the local universe is characterized by anisotropic features. Observatories searching for the production sites of astrophysical neutrinos can tak…

astro-ph.HE2019★ 300 cited

COSMIC Variance in Binary Population Synthesis

Katelyn Breivik, Scott Coughlin, Michael Zevin +8

The formation and evolution of binary stars is a critical component of several fields in astronomy. The most numerous sources for gravitational wave observatories are inspiraling a…

astro-ph.HE2019★ 41 cited

Observation of Radar Echoes From High-Energy Particle Cascades

S. Prohira, K. D. de Vries, P. Allison +15

We report the observation of radar echoes from the ionization trails of high-energy particle cascades. These data were taken at the SLAC National Accelerator Laboratory, where the…

astro-ph.HE2019★ 450 cited

Time-integrated Neutrino Source Searches with 10 years of IceCube Data

IceCube Collaboration, M. G. Aartsen, M. Ackermann +357

This paper presents the results from point-like neutrino source searches using ten years of IceCube data collected between Apr.~6, 2008 and Jul.~10, 2018. We evaluate the significa…

astro-ph.HE2019★ 29 cited

Discovery of a very young high-mass X-ray binary associated with the supernova remnant MCSNRJ0513-6724 in the LMC

C. Maitra, F. Haberl, M. D. Filipovic +19

We report the discovery of a very young high-mass X-ray binary (HMXB) system associated with the supernova remnant (SNR) MCSNRJ0513-6724 in the Large Magellanic Cloud (LMC), using…

astro-ph.HE2019★ 189 cited

The Explosion of Helium Stars Evolved With Mass Loss

Thomas Ertl, Stan E. Woosley, Tuguldur Sukhbold +1

Light curves, explosion energies, and remnant masses are calculated for a grid of supernovae resulting from massive helium stars that have been evolved including mass loss. These p…

astro-ph.HE2019★ 66 cited

To TDE or not to TDE: The luminous transient ASASSN-18jd with TDE-like and AGN-like qualities

J. M. M. Neustadt, T. W. -S. Holoien, C. S. Kochanek +26

We present the discovery of ASASSN-18jd (AT 2018bcb), a luminous optical/UV/X-ray transient located in the nucleus of the galaxy 2MASX J22434289--1659083 at . Over the ye…

astro-ph.HE2019★ 12 cited

A Search for Neutrino Point-Source Populations in 7 Years of IceCube Data with Neutrino-count Statistics

IceCube Collaboration, M. G. Aartsen, M. Ackermann +357

The presence of a population of point sources in a dataset modifies the underlying neutrino-count statistics from the Poisson distribution. This deviation can be exactly quantified…

astro-ph.HE2019★ 69 cited

Fermi and Swift Observations of GRB 190114C: Tracing the Evolution of High-Energy Emission from Prompt to Afterglow

M. Ajello, M. Arimoto, M. Axelsson +147

We report on the observations of gamma-ray burst (GRB) 190114C by the Fermi Gamma-ray Space Telescope and the Neil Gehrels Swift Observatory. The early-time observations reveal mul…

astro-ph.HE2019★ 119 cited

An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the First and Second Observing Runs of Advanced LIGO and Advanced Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1195

We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed within a source distance of approximately 20 Mpc during the…

astro-ph.HE2019★ 42 cited

Double neutron star mergers from hierarchical triple-star systems

Adrian S. Hamers, Todd A. Thompson

The isolated binary evolution model for merging neutron stars (NSs) involves processes such as mass transfer, common-envelope evolution, and natal kicks, all of which are poorly un…

astro-ph.HE2019★ 31 cited

A Search for MeV to TeV Neutrinos from Fast Radio Bursts with IceCube

M. G. Aartsen, M. Ackermann, J. Adams +354

We present two searches for IceCube neutrino events coincident with 28 fast radio bursts (FRBs) and one repeating FRB. The first improves upon a previous IceCube analysis -- search…

astro-ph.HE2019★ 15 cited

Search for PeV Gamma-Ray Emission from the Southern Hemisphere with 5 Years of Data from the IceCube Observatory

M. G. Aartsen, M. Ackermann, J. Adams +354

The measurement of diffuse PeV gamma-ray emission from the Galactic plane would provide information about the energy spectrum and propagation of Galactic cosmic rays, and the detec…

astro-ph.HE2019★ 95 cited

NuSTAR Tests of Sterile-Neutrino Dark Matter: New Galactic Bulge Observations and Combined Impact

Brandon M. Roach, Kenny C. Y. Ng, Kerstin Perez +4

We analyze two dedicated NuSTAR observations with exposure ks located from the Galactic plane, one above and the other below, to search for x-ray lines…

astro-ph.HE2019★ 63 cited

Searches After Gravitational-waves Using ARizona Observatories (SAGUARO): System Overview and First Results from Advanced LIGO/Virgo's Third Observing Run

M. J. Lundquist, K. Paterson, W. Fong +53

We present Searches After Gravitational-waves Using ARizona Observatories (SAGUARO), a comprehensive effort dedicated to the discovery and characterization of optical counterparts…

astro-ph.HE2019★ 86 cited

Search for Sources of Astrophysical Neutrinos Using Seven Years of IceCube Cascade Events

M. G. Aartsen, M. Ackermann, J. Adams +351

Low background searches for astrophysical neutrino sources anywhere in the sky can be performed using cascade events induced by neutrinos of all flavors interacting in IceCube with…

astro-ph.HE2019★ 9 cited

The Next-Generation Radio Neutrino Observatory -- Multi-Messenger Neutrino Astrophysics at Extreme Energies

J. A. Aguilar, P. Allison, S. Archambault +58

RNO is the mid-scale discovery instrument designed to make the first observation of neutrinos from the cosmos at extreme energies, with sensitivity well beyond current instrument c…

astro-ph.HE2019★ 12 cited

Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO

IceCube Collaboration, M. G. Aartsen, M. Ackermann +419

Adopting the Standard Halo Model (SHM) of an isotropic Maxwellian velocity distribution for dark matter (DM) particles in the Galaxy, the most stringent current constraints on thei…

astro-ph.HE2019★ 15 cited

A DECam Search for Explosive Optical Transients Associated with IceCube Neutrinos

R. Morgan, K. Bechtol, R. Kessler +65

In this work, we investigate the likelihood of association between realtime, TeV-PeV energy neutrino alerts from IceCube and optical counterparts in the form of core-collapse super…

astro-ph.HE2019★ 165 cited

Cosmic Ray Spectrum and Composition from PeV to EeV Using 3 Years of Data From IceTop and IceCube

IceCube Collaboration

We report on measurements of the all-particle cosmic ray energy spectrum and composition in the PeV to EeV energy range using three years of data from the IceCube Neutrino Observat…

astro-ph.HE2019★ 11 cited

A Robust Method for Treating Astrophysical Mismodeling in Dark Matter Annihilation Searches of Dwarf Spheroidal Galaxies

Tim Linden

Fermi-LAT observations have strongly constrained dark matter annihilation through the joint-likelihood analysis of dwarf spheroidal galaxies (dSphs). These constraints are expected…