output
19922026
most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k citations

Showing 2020 · astro-ph.HEShow all

47 papers · 2 filters

astro-ph.HE2020★ 26 cited

SN 2017gci: a nearby Type I Superluminous Supernova with a bumpy tail

Achille Fiore, Ting-Wan Chen, Anders Jerkstrand +26

We present and discuss the optical spectro-photometric observations of the nearby (z=0.087) Type I superluminous supernova (SLSN I) SN 2017gci, whose peak K-corrected absolute magn…

astro-ph.HE2020★ 30 cited

VHE gamma-ray detection of FSRQ QSO B1420+326 and modeling of its enhanced broadband state in 2020

V. A. Acciari, S. Ansoldi, L. A. Antonelli +230

Context. QSO B1420+326 is a blazar classified as a Flat Spectrum Radio Quasar (FSRQ). In the beginning of 2020 it underwent an enhanced flux state. An extensive multiwavelength cam…

astro-ph.HE2020★ 65 cited

Direct Measurement of the Cosmic-Ray Carbon and Oxygen Spectra from 10 GeV to 2.2 TeV with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano +81

In this paper, we present the measurement of the energy spectra of carbon and oxygen in cosmic rays based on observations with the Calorimetric Electron Telescope (CALET) on the In…

astro-ph.HE2020★ 31 cited

Observation of a sudden cessation of a very-high-energy gamma-ray flare in PKS 1510-089 with H.E.S.S. and MAGIC in May 2016

H. E. S. S. Collaboration, H. Abdalla, R. Adam +430

The flat spectrum radio quasar (FSRQ) PKS 1510-089 is known for its complex multiwavelength behavior, and is one of only a few FSRQs detected at very high energy (VHE, GeV…

astro-ph.HE2020★ 58 cited

MAGIC observations of the nearby short gamma-ray burst GRB 160821B

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +188

The coincident detection of GW170817 in gravitational waves and electromagnetic radiation spanning the radio to MeV gamma-ray bands provided the first direct evidence that short ga…

astro-ph.HE2020★ 38 cited

Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and -ray activity in 20152016

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +224

We report a characterization of the multi-band flux variability and correlations of the nearby (z=0.031) blazar Markarian 421 (Mrk 421) using data from Metsähovi, Swift, Fermi-LAT,…

astro-ph.HE2020★ 51 cited

Diving below the spin-down limit: Constraints on gravitational waves from the energetic young pulsar PSR J0537-6910

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589

We present a search for continuous gravitational-wave signals from the young, energetic X-ray pulsar PSR J0537-6910 using data from the second and third observing runs of LIGO and…

astro-ph.HE2020★ 16 cited

Spritz: General Relativistic Magnetohydrodynamics with Neutrinos

Federico Cipolletta, Jay Vijay Kalinani, Edoardo Giangrandi +4

We here present a new version of the publicly available general relativistic magnetohydrodynamic (GRMHD) code , which now includes an approximate neutrino leakage…

astro-ph.HE2020★ 49 cited

Detection of the Geminga pulsar with MAGIC hints at a power-law tail emission beyond 15 GeV

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +190

We report the detection of pulsed gamma-ray emission from the Geminga pulsar (PSR J0633+1746) between GeV and GeV. This is the first time a middle-aged pulsar has been…

astro-ph.HE2020★ 20 cited

Electromagnetic Counterparts of Compact Binary Mergers

Stefano Ascenzi, Gor Oganesyan, Marica Branchesi +1

The first detection of a binary neutron star merger through gravitational waves and photons marked the dawn of multi-messenger astronomy with gravitational waves, and it greatly in…

astro-ph.HE2020★ 98 cited

SNEWS 2.0: A Next-Generation SuperNova Early Warning System for Multi-messenger Astronomy

S. Al Kharusi, S. Y. BenZvi, J. S. Bobowski +68

The next core-collapse supernova in the Milky Way or its satellites will represent a once-in-a-generation opportunity to obtain detailed information about the explosion of a star a…

astro-ph.HE2020★ 11 cited

Study of the GeV to TeV morphology of the -Cygni SNR (G78.2+2.1) with MAGIC and Fermi-LAT

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +183

Context. Diffusive shock acceleration (DSA) is the most promising mechanism to accelerate Galactic cosmic rays (CRs) in the shocks of supernova remnants (SNRs). The turbulence upst…

astro-ph.HE2020★ 6 cited

HAWC and Fermi-LAT Detection of Extended Emission from the Unidentified Source 2HWC J2006+341

A. Albert, R. Alfaro, C. Alvarez +71

The discovery of the TeV point source 2HWC J2006+341 was reported in the second HAWC gamma-ray catalog. We present a follow-up study of this source here. The TeV emission is best d…

astro-ph.HE2020★ 39 cited

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3a

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1250

We search for gravitational-wave transients associated with gamma-ray bursts detected by the Fermi and Swift satellites during the first part of the third observing run of Advanced…

astro-ph.HE2020★ 30 cited

Constraining accretion efficiency in massive binary stars with LIGO-Virgo black holes

Yann Bouffanais, Michela Mapelli, Filippo Santoliquido +3

The growing sample of LIGO--Virgo black holes (BHs) opens new perspectives for the study of massive binary evolution. Here, we study the impact of mass accretion efficiency and com…

astro-ph.HE2020★ 77 cited

Sensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation

The Cherenkov Telescope Array Consortium, :, H. Abdalla +496

The Cherenkov Telescope Array (CTA), the new-generation ground-based observatory for -ray astronomy, provides unique capabilities to address significant open questions in astrop…

astro-ph.HE2020★ 31 cited

Observing an intermediate mass black hole GW190521 with minimal assumptions

Marek Szczepanczyk, Sergey Klimenko, Brendan O'Brien +10

On May 21, 2019 Advanced LIGO and Advanced Virgo detectors observed a gravitational-wave transient GW190521, the heaviest binary black-hole merger detected to date with the remnant…

astro-ph.HE2020★ 14 cited

Beamed and unbeamed emission of -ray blazars

Zhiyuan Pei, Junhui Fan, Jianghe Yang +1

A two-component model of radio emission has been used to explain some radio observational properties of Active Galactic Nuclei (AGNs) and, in particular, of blazars. In this work,…

astro-ph.HE2020★ 47 cited

3D modelling of magneto-thermal evolution of neutron stars: method and test cases

Davide De Grandis, Roberto Turolla, Toby S. Wood +3

Neutron stars harbour extremely strong magnetic fields within their solid outer crust. The topology of this field strongly influences the surface temperature distribution, and henc…

astro-ph.HE2020★ 176 cited

The cosmic merger rate density of compact objects: impact of star formation, metallicity, initial mass function and binary evolution

Filippo Santoliquido, Michela Mapelli, Nicola Giacobbo +2

We evaluate the redshift distribution of binary black hole (BBH), black hole - neutron star binary (BHNS) and binary neutron star (BNS) mergers, exploring the main sources of uncer…

astro-ph.HE2020★ 22 cited

The estimation of -ray Doppler factor for Fermi/LAT-detected blazars

Zhiyuan Pei, Junhui Fan, Jianghe Yang +1

Blazars are a subclass of active galactic nuclei (AGNs) with extreme observation properties, which is caused by the beaming effect, expressed by a Doppler factor, in a relativistic…

astro-ph.HE2020★ 28 cited

An intermittent extreme BL Lac: MWL study of 1ES 2344+514 in an enhanced state

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +215

Extreme High-frequency BL~Lacs (EHBL) feature their synchrotron peak of the broadband spectral energy distribution (SED) at 10\,Hz. The BL~Lac object 1ES~23…

astro-ph.HE2020★ 9 cited

Studying the nature of the unidentified gamma-ray source HESS J1841-055 with the MAGIC telescopes

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +184

We investigate the physical nature and origin of the gamma-ray emission from the extended source HESS J1841-055 observed at TeV and GeV energies. We observed HESS J1841-055 at TeV…

astro-ph.HE2020★ 135 cited

Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre

The Cherenkov Telescope Array Consortium, :, A. Acharyya +449

We provide an updated assessment of the power of the Cherenkov Telescope Array (CTA) to search for thermally produced dark matter at the TeV scale, via the associated gamma-ray sig…