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

14.2k citations

Showing 2021 · astro-ph.HEShow all

43 papers · 2 filters

astro-ph.HE2021

Host galaxies and electromagnetic counterparts to binary neutron star mergers across the cosmic time: Detectability of GW170817-like events

Rosalba Perna, M. Celeste Artale, Yi-Han Wang +4

The detection of electromagnetic radiation (EM) accompanying the gravitational wave (GW) signal from the binary neutron star (BNS) merger GW170817 has revealed that these systems c…

astro-ph.HE2021★ 11 cited

Handing off the outcome of binary neutron star mergers for accurate and long-term post-merger simulations

Federico G. Lopez Armengol, Zachariah B. Etienne, Scott C. Noble +20

We perform binary neutron star (BNS) merger simulations in full dynamical general relativity with IllinoisGRMHD, on a Cartesian grid with adaptive-mesh refinement. After the remnan…

astro-ph.HE2021★ 48 cited

Combined searches for dark matter in dwarf spheroidal galaxies observed with the MAGIC telescopes, including new data from Coma Berenices and Draco

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +191

Milky Way dwarf spheroidal galaxies (dSphs) are among the best candidates to search for signals of dark matter annihilation with Imaging Atmospheric Cherenkov Telescopes, given the…

astro-ph.HE2021★ 10 cited

Multiwavelength study of the gravitationally lensed blazar QSO B0218+357 between 2016 and 2020

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +208

We report multiwavelength observations of the gravitationally lensed blazar QSO B0218+357 in 2016-2020. Optical, X-ray and GeV flares were detected. The contemporaneous MAGIC obser…

astro-ph.HE2021★ 41 cited

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1632

We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced L…

astro-ph.HE2021★ 103 cited

Diffuse Supernova Neutrino Background Search at Super-Kamiokande

Kamiokande Collaboration, K. Abe, C. Bronner +216

A new search for the diffuse supernova neutrino background (DSNB) flux has been conducted at Super-Kamiokande (SK), with a -ktonday exposure from its fourth…

astro-ph.HE2021★ 96 cited

All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

This paper describes the first all-sky search for long-duration, quasi-monochromatic gravitational-wave signals emitted by ultralight scalar boson clouds around spinning black hole…

astro-ph.HE2021★ 74 cited

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1694

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the se…

astro-ph.HE2021★ 8 cited

Close, bright and boxy: the superluminous SN 2018hti

A. Fiore, S. Benetti, M. Nicholl +37

SN 2018hti was a very nearby (z=0.0614) superluminous supernova with an exceedingly bright absolute magnitude of -21.7 mag in r-band at maximum. The densely sampled pre-maximum lig…

astro-ph.HE2021★ 40 cited

Compact Object Mergers in Hierarchical Triples from Low-Mass Young Star Clusters

Alessandro Alberto Trani, Sara Rastello, Ugo N. Di Carlo +3

A binary star orbited by an outer companion constitutes a hierarchical triple system. The outer body may excite the eccentricity of the inner binary through the von~Zeipel-Lidov-Ko…

astro-ph.HE2021★ 24 cited

Observation of the gamma-ray binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS telescopes

C. B. Adams, W. Benbow, A. Brill +409

The results of gamma-ray observations of the binary system HESS J0632+057 collected during 450 hours over 15 years, between 2004 and 2019, are presented. Data taken with the atmosp…

astro-ph.HE2021★ 2 cited

KM3NeT/ARCA expectations in view of a novel multimessenger study of starburst galaxies

Antonio Marinelli, Antonio Ambrosone, Walid Idrissi Ibnsalih +4

Starburst galaxies (SBGs) and more in general starforming galaxies represent a class of galaxies with a high star formation rate (up to 100 solar masses/year). Despite their low lu…

astro-ph.HE2021★ 61 cited

Search for continuous gravitational waves from 20 accreting millisecond X-ray pulsars in O3 LIGO data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1634

Results are presented of searches for continuous gravitational waves from 20 accreting millisecond X-ray pulsars with accurately measured spin frequencies and orbital parameters, u…

astro-ph.HE2021★ 123 cited

The Cosmic Evolution of Binary Black Holes in Young, Globular and Nuclear Star Clusters: Rates, Masses, Spins and Mixing Fractions

Michela Mapelli, Yann Bouffanais, Filippo Santoliquido +2

The growing population of binary black holes (BBHs) observed by gravitational wave detectors is a potential Rosetta stone for understanding their formation channels. Here, we use a…

astro-ph.HE2021★ 22 cited

Implementation and first results of the KM3NeT real-time core-collapse supernova neutrino search

KM3NeT Collaboration, S. Aiello, A. Albert +242

The KM3NeT research infrastructure is under construction in the Mediterranean Sea. KM3NeT will study atmospheric and astrophysical neutrinos with two multi-purpose neutrino detecto…

astro-ph.HE2021★ 5 cited

Search for Very High-Energy Emission from the millisecond pulsar PSR J0218+4232

V. A. Acciari, S. Ansoldi, L. A. Antonelli +198

PSR J0218+4232 is one of the most energetic millisecond pulsars known and has long been considered as one of the best candidates for very high-energy (VHE; >100 GeV) gamma-ray emis…

astro-ph.HE2021★ 1 cited

Robust constraints on Lorentz Invariance Violation from H.E.S.S., MAGIC and VERITAS data combination

Chistelle Levy, Julien Bolmont, Sami Caroff +11

Gamma-Ray bursts, flaring active galactic nuclei and pulsars are distant and energetic astrophysical sources, detected up to tens of TeV with Imaging Atmospheric Cherenkov Telescop…

astro-ph.HE2021★ 1 cited

Prospects for Galactic transient sources detection with the Cherenkov Telescope Array

A. López-Oramas, A. Bulgarelli, S. Chaty +17

Several types of Galactic sources, like magnetars, microquasars, novae or pulsar wind nebulae flares, display transient emission in the X-ray band. Some of these sources have also…

astro-ph.HE2021★ 5 cited

Chandra observations of nova KT Eridani in outburst

Songpeng Pei, Marina Orio, Jan-Uwe Ness +1

We analyse here four observations of nova KT Eri (Nova Eri 2009) done with the Chandra High Resolution Camera Spectrometer (HRC-S) and the Low Energy Transmission Grating (LETG) in…

astro-ph.HE2021★ 8 cited

First detection of VHE gamma-ray emission from TXS~1515--273, study of its X-ray variability and spectral energy distribution

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +196

We report here on the first multi-wavelength (MWL) campaign on the blazar TXS 1515-273, undertaken in 2019 and extending from radio to very-high-energy gamma rays (VHE). Up until n…

astro-ph.HE2021★ 20 cited

Two steps forward and one step sideways: the propagation of relativistic jets in realistic binary neutron star merger ejecta

Davide Lazzati, Rosalba Perna, Riccardo Ciolfi +3

The association of GRB170817A with GW170817 has confirmed the long-standing hypothesis that binary neutron star (BNS) mergers are the progenitors of at least some short gamma-ray b…

astro-ph.HE2021★ 9 cited

Implementing a new recovery scheme for primitive variables in the general relativistic magnetohydrodynamic code Spritz

Jay V. Kalinani, Riccardo Ciolfi, Wolfgang Kastaun +3

General relativistic magnetohydrodynamic (GRMHD) simulations represent a fundamental tool to probe various underlying mechanisms at play during binary neutron star (BNS) and neutro…

astro-ph.HE2021★ 52 cited

Measurement of the Iron Spectrum in Cosmic Rays from 10 GeV to 2.0 TeV with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, Y. Akaike, K. Asano +77

The Calorimetric Electron Telescope (CALET), in operation on the International Space Station since 2015, collected a large sample of cosmic-ray iron over a wide energy interval. In…

astro-ph.HE2021★ 49 cited

Investigation of the correlation patterns and the Compton dominance variability of Mrk 421 in 2017

MAGIC Collaboration, V. A. Acciari, S. Ansoldi +284

We present a detailed characterisation and theoretical interpretation of the broadband emission of the paradigmatic TeV blazar Mrk 421, with special focus on the multi-band flux co…