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

14.2k citations

Showing 2020 · astro-ph.HEShow all

44 papers · 2 filters

astro-ph.HE2020★ 31 cited

Sensitivity of future liquid argon dark matter search experiments to core-collapse supernova neutrinos

P. Agnes, S. Albergo, I. F. M. Albuquerque +273

Future liquid-argon DarkSide-20k and ARGO detectors, designed for direct dark matter search, will be sensitive also to core-collapse supernova neutrinos, via coherent elastic neutr…

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★ 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★ 85 cited

Re-detection and a Possible Time Variation of Soft X-ray Polarisation from the Crab

Hua Feng, Hong Li, Xiangyun Long +24

The Crab nebula is so far the only celestial object with a statistically significant detection in soft x-ray polarimetry, a window that has not been explored in astronomy since the…

astro-ph.HE2020★ 88 cited

Massive black hole binary systems and the NANOGrav 12.5 year results

Hannah Middleton, Alberto Sesana, Siyuan Chen +3

The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has recently reported evidence for the presence of a common stochastic signal across their array of puls…

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★ 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★ 10 cited

Population Properties of Compact Objects from the Second LIGO-Virgo Gravitational-Wave Transient Catalog

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1338

We report on the population of the 47 compact binary mergers detected with a false-alarm rate 1/yr in the second LIGO--Virgo Gravitational-Wave Transient Catalog, GWTC-2. We observ…

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★ 5 cited

Can we constrain the aftermath of binary neutron star mergers with short gamma-ray bursts?

Barbara Patricelli, Maria Grazia Bernardini

The joint observation of GW170817 and GRB170817A proved that binary neutron star (BNS) mergers are progenitors of short Gamma-ray Bursts (SGRB): this established a direct link betw…

astro-ph.HE2020★ 15 cited

Neutron star parameter constraints for accretion-powered millisecond pulsars from the simulated IXPE data

Tuomo Salmi, Vladislav Loktev, Karri Korsman +3

We have simulated the X-ray polarization data that can be obtained with the Imaging X-ray Polarimetry Explorer, when observing accretion-powered millisecond pulsars. We estimated t…

astro-ph.HE2020★ 5 cited

Prospects for IXPE and eXTP polarimetric archaeology of the reflection nebulae in the Galactic center

L. Di Gesu, R. Ferrazzoli, I. Donnarumma +5

The X-ray polarization properties of the reflection nebulae in the Galactic center inform us about the direction of the illuminating source (through the polarization angle) and the…

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…

astro-ph.HE2020★ 21 cited

A diffusive origin for the cosmic-ray spectral hardening reveals signatures of a nearbysource in the leptons and protons data

Ottavio Fornieri, Daniele Gaggero, Daniel Guberman +2

In this work we aim at reproducing, simultaneously, the spectral feature at in the cosmic-ray proton spectrum, recently reported by the DAMPE Collaboratio…

astro-ph.HE2020★ 99 cited

Gravitational-wave constraints on the equatorial ellipticity of millisecond pulsars

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1333

We present a search for continuous gravitational waves from five radio pulsars, comprising three recycled pulsars (PSR J0437-4715, PSR J0711-6830, and PSR J0737-3039A) and two youn…

astro-ph.HE2020★ 1.8k cited

GW190814: Gravitational Waves from the Coalescence of a 23 M Black Hole with a 2.6 M Compact Object

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254

We report the observation of a compact binary coalescence involving a 22.2 - 24.3 black hole and a compact object with a mass of 2.50 - 2.67 (all measuremen…

astro-ph.HE2020★ 226 cited

Observation of inverse Compton emission from a long -ray burst

V. A. Acciari, S. Ansoldi, L. A. Antonelli +301

Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase o…