activity
20152022
most citedAcceleration of petaelectronvolt protons in the Galactic Centre

512 citations · 3k across the 44 of their papers we have counts for

collaborators

44 papers

astro-ph.HE2022★ 50 cited

A deep spectromorphological study of the -ray emission surrounding the young massive stellar cluster Westerlund 1

F. Aharonian, H. Ashkar, M. Backes +156

Young massive stellar clusters are extreme environments and potentially provide the means for efficient particle acceleration. Indeed, they are increasingly considered as being res…

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.GA2019★ 32 cited

Radio Observations of Supernova Remnant G1.9+0.3

Kieran J. Luken, Miroslav D. Filipović, Nigel I. Maxted +18

We present 1 to 10GHz radio continuum flux density, spectral index, polarisation and Rotation Measure (RM) images of the youngest known Galactic Supernova Remnant (SNR) G1.9+0.3, u…

astro-ph.HE2019★ 274 cited

A very-high-energy component deep in the Gamma-ray Burst afterglow

H. Abdalla R. Adam F. Aharonian F. Ait Benkhali E. O. Anguener M. Arakawa, C. Arcaro, C. Armand +219

Gamma-ray bursts (GRBs) are brief flashes of gamma rays, considered to be the most energetic explosive phenomena in the Universe. The emission from GRBs comprises a short (typicall…

astro-ph.HE2019★ 1 cited

The Cherenkov Telescope Array view of the Galactic Center region

Aion Viana, Sofia Ventura, Daniele Gaggero +22

Among all the high-energy environments of our Galaxy, the Galactic Center (GC) region is definitely the richest. It harbors a large amount of non-thermal emitters, including the cl…

astro-ph.HE2019★ 47 cited

Constraints on the emission region of 3C 279 during strong flares in 2014 and 2015 through VHE gamma-ray observations with H.E.S.S

H. E. S. S. Collaboration, H. Abdalla, R. Adam +224

The flat spectrum radio quasar 3C 279 is known to exhibit pronounced variability in the high-energy (MeVGeV) -ray band, which is continuously monitored with Fer…

astro-ph.HE2019★ 14 cited

Connecting the ISM to TeV PWNe and PWNe candidates

F. J. Voisin, G. P. Rowell, M. G. Burton +7

We investigate the interstellar medium (ISM) towards seven TeV gamma-ray sources thought to be pulsar wind nebulae (PWNe) using Mopra molecular line observations at 7mm [CS(1-0), S…

astro-ph.HE2019★ 33 cited

H.E.S.S. and Suzaku observations of the Vela X pulsar wind nebula

H. E. S. S. Collaboration

Pulsar Wind Nebulae (PWNe) represent the most prominent population of Galactic very-high-energy gamma-ray sources and are thought to be an efficient source of leptonic cosmic rays.…

astro-ph.HE2019★ 16 cited

Upper Limits on Very-High-Energy Gamma-ray Emission from Core-Collapse Supernovae Observed with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdalla +225

Young core-collapse supernovae with dense-wind progenitors may be able to accelerate cosmic-ray hadrons beyond the knee of the cosmic-ray spectrum, and this may result in measurabl…

astro-ph.GA2019★ 47 cited

The Mopra Southern Galactic Plane CO Survey - Data Release 3

Catherine Braiding, G. F. Wong, N. I. Maxted +13

We present observations of fifty square degrees of the Mopra carbon monoxide (CO) survey of the Southern Galactic Plane, covering Galactic longitudes - and lati…

astro-ph.HE2019★ 66 cited

The 2014 TeV Gamma-ray Flare of Mrk 501 Seen with H.E.S.S.: Temporal and Spectral Constraints on Lorentz Invariance Violation

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

The blazar Mrk 501 (z=0.034) was observed at very-high-energy (VHE, ~GeV) gamma-ray wavelengths during a bright flare on the night of 2014 June 23-24 (MJD 56832) with…

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★ 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★ 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★ 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★ 50 cited

The -ray spectrum of the core of Centaurus A as observed with H.E.S.S. and Fermi-LAT

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +249

Centaurus A (Cen A) is the nearest radio galaxy discovered as a very-high-energy (VHE; 100 GeV-100 TeV) -ray source by the High Energy Stereoscopic System (H.E.S.S.). It is a fa…

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★ 151 cited

Search for -ray line signals from dark matter annihilations in the inner Galactic halo from ten years of observations with H.E.S.S

H. E. S. S. Collaboration, H. Abdallah, A. Abramowski +254

Spectral lines are among the most powerful signatures for dark matter (DM) annihilation searches in very-high-energy -rays. The central region of the Milky Way halo is one of th…

astro-ph.HE2018★ 33 cited

H.E.S.S. discovery of very high energy gamma-ray emission from PKS 0625-354

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +253

PKS 0625-354 (z=0.055) was observed with the four H.E.S.S. telescopes in 2012 during 5.5 hours. The source was detected above an energy threshold of 200 GeV at a significance level…

astro-ph.HE2018★ 69 cited

Population study of Galactic supernova remnants at very high -ray energies with H.E.S.S.

H. E. S. S. Collaboration, :, H. Abdalla +252

Shell-type supernova remnants (SNRs) are considered prime candidates for the acceleration of Galactic cosmic rays (CRs) up to the knee of the CR spectrum at $\mathrm{E} \approx \ma…

astro-ph.HE2018★ 14 cited

Detection of variable VHE gamma-ray emission from the extra-galactic gamma-ray binary LMC P3

H. E. S. S. Collaboration, H. Abdalla, A. Abramowski +253

Context. Recently, the high-energy (HE, 0.1-100 GeV) -ray emission from the object LMC P3 in the Large Magellanic Cloud (LMC) has been discovered to be modulated with a 10.3-day…

astro-ph.HE2018★ 49 cited

A search for new supernova remnant shells in the Galactic plane with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdalla +263

A search for new supernova remnants (SNRs) has been conducted using TeV gamma-ray data from the H.E.S.S. Galactic plane survey. As an identification criterion, shell morphologies t…

astro-ph.HE2017★ 64 cited

TeV gamma-ray observations of the binary neutron star merger GW170817 with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdalla +250

We search for high-energy gamma-ray emission from the binary neutron star merger GW170817 with the H.E.S.S. Imaging Air Cherenkov Telescopes. The observations presented here have b…

astro-ph.HE2017★ 10 cited

Contributions of the High Energy Stereoscopic System (H.E.S.S.) to the 35th International Cosmic Ray Conference (ICRC), Busan, Korea

H. E. S. S. Collaboration, :, H. Abdalla +256

Index of H.E.S.S. conference proceedings to the 35th ICRC, Busan, Korea