activity
20192025
most citedRevealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow

172 citations · 634 across the 21 of their papers we have counts for

collaborators

21 papers

astro-ph.HE2025★ 1 cited

Prompt Searches for Very-High-Energy γ-Ray Counterparts to IceCube Astrophysical Neutrino Alerts

J. Abhir, A. Biland, K. Brand +817

The search for sources of high-energy astrophysical neutrinos can be significantly advanced through a multi-messenger approach, which seeks to detect the gamma rays that accompany…

astro-ph.IM2023★ 40 cited

The Large Array Survey Telescope -- System Overview and Performances

E. O. Ofek, S. Ben-Ami, D. Polishook +38

The Large Array Survey Telescope (LAST) is a wide-field visible-light telescope array designed to explore the variable and transient sky with a high cadence. LAST will be composed…

astro-ph.HE2023★ 29 cited

H.E.S.S. follow-up observations of GRB221009A

H. E. S. S. Collaboration, :, F. Aharonian +159

GRB221009A is the brightest gamma-ray burst ever detected. To probe the very-high-energy (VHE, \!100 GeV) emission, the High Energy Stereoscopic System (H.E.S.S.) began observat…

astro-ph.HE2022★ 7 cited

Rapid radio brightening of GRB 210702A

G. E. Anderson, T. D. Russell, H. M. Fausey +16

We observed the rapid radio brightening of GRB 210702A with the Australian Telescope Compact Array (ATCA) just 11hr post-burst, tracking early-time radio variability over a 5hr per…

astro-ph.HE2022★ 92 cited

Time-resolved hadronic particle acceleration in the recurrent Nova RS Ophiuchi

H. E. S. S. Collaboration, F. Aharonian, F. Ait Benkhali +171

Recurrent Novae are repeating thermonuclear explosions in the outer layers of white dwarfs, due to the accretion of fresh material from a binary companion. The shock generated by e…

astro-ph.HE2021★ 15 cited

H.E.S.S. follow-up observations of Binary Black Hole Coalescence events during the second and third Gravitational Waves observing runs of Advanced LIGO and Advanced Virgo

H. E. S. S. collaboration, :, H. Abdalla +151

We report on the observations of four well-localized binary black hole (BBH) mergers by the High Energy Stereoscopic System (H.E.S.S.) during the second and third observing runs of…

astro-ph.HE2021★ 13 cited

Searching for TeV gamma-ray emission from SGR\,1935+2154 during its 2020 X-ray and radio bursting phase

H. E. S. S. Collaboration, :, H. Abdalla +251

Magnetar hyperflares are the most plausible explanation for fast radio bursts (FRB) -- enigmatic powerful radio pulses with durations of several milliseconds and high brightness te…

astro-ph.HE2021★ 2 cited

Search for dark matter annihilation signals from the Galactic Center with the H.E.S.S. Inner Galaxy Survey

A. Montanari, E. Moulin, D. Malyshev

The presence of dark matter (DM) is suggested by a wealth of astrophysical and cosmological measurements. However, its underlying nature is yet unknown. Among the most promising ca…

astro-ph.HE2021

Evidence of 100 TeV -ray emission from HESS J1702-420: A new PeVatron candidate

L. Giunti, B. Khelifi, K. Kosack +1

The identification of active PeVatrons, hadronic particle accelerators reaching the knee of the cosmic-ray spectrum (at the energy of few PeV), is crucial to understand the origin…

astro-ph.HE2021★ 13 cited

LMC N132D: A mature supernova remnant with a power-law gamma-ray spectrum extending beyond 8 TeV

H. E. S. S. Collaboration, :, H. Abdalla +233

We analyzed 252 hours of High Energy Stereoscopic System (H.E.S.S.) observations towards the supernova remnant (SNR) LMC N132D that were accumulated between December 2004 and March…

astro-ph.IM2021★ 28 cited

TeV emission of Galactic plane sources with HAWC and H.E.S.S

H. Abdalla, F. Aharonian, F. Ait Benkhali +318

The High Altitude Water Cherenkov (HAWC) observatory and the High Energy Stereoscopic System (H.E.S.S.) are two leading instruments in the ground-based very-high-energy gamma-ray d…

astro-ph.HE2021★ 14 cited

Search for dark matter annihilation signals from unidentified Fermi-LAT objects with H.E.S.S

H. E. S. S. Collaboration, H. Abdallah, F. Aharonian +226

Cosmological -body simulations show that Milky Way-sized galaxies harbor a population of unmerged dark matter subhalos. These subhalos could shine in gamma-rays and be eventuall…

astro-ph.HE2021★ 24 cited

Evidence of 100 TeV -ray emission from HESS J1702-420: A new PeVatron candidate

H. Abdalla, F. Aharonian, F. Ait Benkhali +232

The identification of PeVatrons, hadronic particle accelerators reaching the knee of the cosmic ray spectrum (few eV), is crucial to understand the origin of cosmic rays…

astro-ph.HE2021★ 172 cited

Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow

H. E. S. S. Collaboration

Gamma-ray bursts (GRBs), which are bright flashes of gamma rays from extragalactic sources followed by fading afterglow emission, are associated with stellar core collapse events.…

astro-ph.HE2021★ 19 cited

Search for dark matter annihilation in the dwarf irregular galaxy WLM with H.E.S.S

H. E. S. S. Collaboration, H. Abdallah, R. Adam +232

We search for an indirect signal of dark matter through very high-energy gamma rays from the Wolf-Lundmark-Melotte (WLM) dwarf irregular galaxy. The pair annihilation of dark matte…

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★ 17 cited

An extreme particle accelerator in the Galactic plane: HESS J1826130

H. E. S. S. Collaboration, H. Abdalla, R. Adam +236

The unidentified very-high-energy (VHE; E 0.1 TeV) -ray source, HESS J1826130, was discovered with the High Energy Stereoscopic System (HESS) in the Galactic plane. The a…

astro-ph.HE2020★ 59 cited

Search for dark matter signals towards a selection of recently-detected DES dwarf galaxy satellites of the Milky Way with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdallah +227

Dwarf spheroidal galaxy satellites of the Milky Way are prime targets for indirect detection of dark matter with gamma rays due to their proximity, high dark matter content and abs…

astro-ph.HE2020★ 18 cited

Probing the magnetic field in the GW170817 outflow using H.E.S.S. observations

H. E. S. S. Collaboration, :, H. Abdalla +230

The detection of the first electromagnetic counterpart to the binary neutron star (BNS) merger remnant GW170817 established the connection between short -ray bursts and BNS merg…

astro-ph.HE2020★ 24 cited

Very high energy -ray emission from two blazars of unknown redshift and upper limits on their distance

H. E. S. S. Collaboration, H. Abdalla, R. Adam +225

We report on the detection of very-high-energy (VHE; GeV) -ray emission from the BL Lac objects KUV 00311-1938 and PKS 1440-389 with the High Energy Stereoscopic Syste…

astro-ph.HE2019★ 16 cited

Gamma-ray and X-ray constraints on non-thermal processes in Carinae

R. White, M. Breuhaus, R. Konno +3

The binary system Carinae is a unique laboratory in which to study particle acceleration to high energies under a wide range of conditions, including extremely high densities a…