output
19932026
Showing 2018 · astro-ph.HEShow all

29 papers · 2 filters

astro-ph.HE2018★ 80 cited

Searches for Continuous Gravitational Waves from Fifteen Supernova Remnants and Fomalhaut b with Advanced LIGO

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1129

We describe directed searches for continuous gravitational waves from sixteen well localized candidate neutron stars assuming none of the stars has a binary companion. The searches…

astro-ph.HE2018★ 23 cited

The extended flare in CTA 102 in 2016 and 2017 within a hadronic model through cloud ablation by the relativistic jet

Michael Zacharias, Markus Böttcher, Felix Jankowsky +3

The flat spectrum radio quasar CTA 102 (redshift 1.037) exhibited a tremendously bright 4-months long outburst from late 2016 to early 2017. In a previous paper, we interpreted the…

astro-ph.HE2018★ 88 cited

Particle Transport within the Pulsar Wind Nebula HESS J1825-137

H. E. S. S. Collaboration, H. Abdalla, F. Aharonian +225

Aims: We present a detailed view of the pulsar wind nebula (PWN) HESS J1825-137. We aim to constrain the mechanisms dominating the particle transport within the nebula, accounting…

astro-ph.HE2018★ 901 cited

Binary Black Hole Population Properties Inferred from the First and Second Observing Runs of Advanced LIGO and Advanced Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1138

We present results on the mass, spin, and redshift distributions with phenomenological population models using the ten binary black hole mergers detected in the first and second ob…

astro-ph.HE2018★ 3.5k cited

GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1148

We present the results from three gravitational-wave searches for coalescing compact binaries with component masses above 1 during the first and second observing…

astro-ph.HE2018★ 42 cited

The observed vs total population of ULXs

Grzegorz Wiktorowicz, Jean-Pierre Lasota, Matthew Middleton +1

We have analyzed how anisotropic emission of radiation affects the observed sample of ultraluminous X-ray sources (ULXs) by performing simulations of the evolution of stellar popul…

astro-ph.HE2018★ 4 cited

VHE -ray discovery and multi-wavelength study of the blazar 1ES 2322-409

H. E. S. S. Collaboration, :, H. Abdalla +232

A hotspot at a position compatible with the BL Lac object 1ES 2322-409 was serendipitously detected with H.E.S.S. during observations performed in 2004 and 2006 on the blazar PKS 2…

astro-ph.HE2018★ 12 cited

Neutron stars meet constraints from high and low energy nuclear physics

V. Sagun, I. Lopes, A. Ivanytskyi

A novel equation of state used for analysis of the heavy ion collision experimental data is generalized to also describe the matter inside neutron stars. This approach differs from…

astro-ph.HE2018★ 4 cited

Molecular ionization rates and ultracompact dark matter minihalos

Joseph Silk

Molecular ionization in the Central Molecular Zone of our galaxy is enhanced over the typical galactic value by an order of magnitude or more. This cannot be easily explained for d…

astro-ph.HE2018★ 293 cited

The Giant Radio Array for Neutrino Detection (GRAND): Science and Design

GRAND Collaboration, Jaime Alvarez-Muniz, Rafael Alves Batista +48

The Giant Radio Array for Neutrino Detection (GRAND) is a planned large-scale observatory of ultra-high-energy (UHE) cosmic particles, with energies exceeding 10^8 GeV. Its goal is…

astro-ph.HE2018★ 32 cited

Autonomous radiodetection of air showers with the TREND50 antenna array

Didier Charrier, Krijn D. de Vries, Quanbu Gou +11

TREND50 is a radio detection setup of 50 self-triggered antennas working in the 50-100MHz frequency range and deployed in a radio-quiet valley of the Tianshan mountains (China). TR…

astro-ph.HE2018★ 44 cited

A Fermi Gamma-ray Burst Monitor Search for Electromagnetic Signals Coincident with Gravitational-Wave Candidates in Advanced LIGO's First Observing Run

ray Burst Monitor Team, The LIGO Scientific Collaboration, the Virgo Collaboration +1160

We present a search for prompt gamma-ray counterparts to compact binary coalescence gravitational wave (GW) candidates from Advanced LIGO's first observing run (O1). As demonstrate…

astro-ph.HE2018★ 56 cited

Searches for gamma-ray lines and `pure WIMP' spectra from Dark Matter annihilations in dwarf galaxies with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdalla +234

Dwarf spheroidal galaxies are among the most promising targets for detecting signals of Dark Matter (DM) annihilations. The H.E.S.S. experiment has observed five of these systems f…

astro-ph.HE2018★ 49 cited

Constraining the p-mode--g-mode tidal instability with GW170817

The LIGO Scientific Collaboration, The Virgo Collaboration, B. P. Abbott +1136

We analyze the impact of a proposed tidal instability coupling -modes and -modes within neutron stars on GW170817. This non-resonant instability transfers energy from the orb…

astro-ph.HE2018★ 166 cited

The delay of shock breakout due to circumstellar material seen in most Type II Supernovae

F. Förster, T. J. Moriya, J. C. Maureira +35

Type II supernovae (SNe) originate from the explosion of hydrogen-rich supergiant massive stars. Their first electromagnetic signature is the shock breakout, a short-lived phenomen…

astro-ph.HE2018★ 44 cited

First Ground-based Measurement of Sub-20 GeV to 100 GeV -rays from the Vela Pulsar with H.E.S.S. II

H. E. S. S. Collaboration, H. Abdalla, F. Aharonian +230

We report on the measurement and investigation of pulsed high-energy -ray emission from the Vela pulsar, PSR B083345, based on 40.3 hours of observations with the largest tel…

astro-ph.HE2018★ 41 cited

Understanding X-ray Irradiation in Low-Mass X-ray Binaries directly from their Light-Curves

B. E. Tetarenko, G. Dubus, J. -P. Lasota +2

The X-ray light-curves of the recurring outbursts observed in low-mass X-ray binaries provide strong test beds for constraining (still) poorly understood disc-accretion processes.…

astro-ph.HE2018★ 204 cited

Lepto-hadronic single-zone models for the electromagnetic and neutrino emission of TXS 0506+056

M. Cerruti, A. Zech, C. Boisson +3

While active galactic nuclei with relativistic jets have long been prime candidates for the origin of extragalactic cosmic rays and neutrinos, the BL Lac object TXS 0506+056 is the…

astro-ph.HE2018★ 216 cited

Voyager 1 Further Constrain Primordial Black Holes as Dark Matter

Mathieu Boudaud, Marco Cirelli

Primordial Black Holes (PBHs) with a mass g are expected to inject sub-GeV electrons and positrons in the Galaxy via Hawking radiation. These cosmic rays are…

astro-ph.HE2018★ 61 cited

The starburst galaxy NGC 253 revisited by H.E.S.S. and Fermi-LAT

H. E. S. S. Collaboration, H. Abdalla, F. Aharonian +231

(Abridged) Context. NGC 253 is one of only two starburst galaxies found to emit -rays from hundreds of MeV to multi-TeV energies. Accurate measurements of the very-high-energy (…

astro-ph.HE2018★ 40 cited

Type II supernovae in low luminosity host galaxies

C. P. Gutiérrez, J. P. Anderson, M. Sullivan +29

We present an analysis of a new sample of type II core-collapse supernovae (SNe II) occurring within low-luminosity galaxies, comparing these with a sample of events in brighter ho…

astro-ph.HE2018★ 76 cited

Testing the disk instability model of cataclysmic variables

Guillaume Dubus, Magdalena Otulakowska-Hypka, Jean-Pierre Lasota

The disk instability model attributes the outbursts of dwarf novae to a thermal-viscous instability of their accretion disk, an instability to which nova-like stars are not subject…

astro-ph.HE2018★ 21 cited

The induced surface tension contribution for the equation of state of neutron stars

Violetta V. Sagun, Ilidio Lopes, Aleksei I. Ivanytskyi

We apply a novel equation of state (EoS) that includes the surface tension contribution induced by interparticle interaction and asymmetry between neutrons and protons, to the stud…

astro-ph.HE2018

Laboratory radiative accretion shocks on GEKKO XII laser facility for POLAR project

L. Van Box Som, E. Falize, M. Koenig +20

A new target design is presented to model high-energy radiative accretion shocks in polars. In this paper, we present the experimental results obtained on the GEKKO XII laser facil…