activity
20222026
most citedAcceleration and transport of relativistic electrons in the jets of the microquasar SS 433

60 citations · 123 across the 14 of their papers we have counts for

collaborators

17 papers

astro-ph.HE2026

Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies

S. Abe, J. Abhir, A. Abhishek +457

The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), together with its electromagnetic counterpart, th…

astro-ph.HE2026

Scrutinizing the 2020 multiwavelength outburst of PKS 0903-57 through observations with H.E.S.S

A. Acharyya, F. Aharonian, F. Ait Benkhali +138

The blazar PKS 0903-57 has recently been classified as a flat spectrum radio quasar at a redshift of . In March and April 2020, Fermi-LAT and AGILE reported tremendous ac…

astro-ph.HE2026

H.E.S.S. detection of the PSR J0855-4644 nebula

F. Aharonian, H. Ashkar, M. Backes +131

HESS J0852-463 is a TeV γ-ray source located in the Galactic plane. The region consists of a supernova remnant (SNR, RX J0852.0-4622) with a shell-like morphology, commonly referre…

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.HE2025

Constraining the nature of the most extreme Galactic particle accelerator. H.E.S.S. observations of the microquasar V4641 Sgr

A. Acharyya, F. Aharonian, H. Ashkar +131

Microquasars have emerged as promising candidates to explain the cosmic-ray flux at petaelectronvolt energies. LHAASO observations revealed V4641~Sgr as the most extreme example so…

astro-ph.HE2025★ 5 cited

Combined dark matter search towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS

LAT Collaboration, S. Abdollahi, L. Baldini +586

Dwarf spheroidal galaxies (dSphs) are excellent targets for indirect dark matter (DM) searches using gamma-ray telescopes because they are thought to have high DM content and a low…

astro-ph.HE2025★ 3 cited

Prospects for dark matter observations in dwarf spheroidal galaxies with the Cherenkov Telescope Array Observatory

K. Abe, S. Abe, J. Abhir +491

The dwarf spheroidal galaxies (dSphs) orbiting the Milky Way are widely regarded as systems supported by velocity dispersion against self-gravity, and as prime targets for the sear…

astro-ph.HE2025★ 1 cited

H.E.S.S. programme searching for VHE gamma rays associated with FRBs

F. Aharonian, A. Archaryya, J. Aschersleben +127

Fast Radio Bursts (FRBs) are highly energetic, extremely short-lived bursts of radio flashes. Despite extensive research, the exact cause of these outbursts remains speculative. Th…

astro-ph.HE2025★ 3 cited

Detection of very-high-energy gamma-ray emission from Eta Carinae during its 2020 periastron passage

H. E. S. S. Collaboration, F. Aharonian, F. Ait Benkhali +137

The colliding-wind binary system Carinae has been identified as a source of high-energy (HE, below 100\,GeV) and very-high-energy (VHE, above 100\,GeV) gamma rays i…

astro-ph.HE2024★ 20 cited

High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S

F. Aharonian, F. Ait Benkhali, J. Aschersleben +144

Owing to their rapid cooling rate and hence loss-limited propagation distance, cosmic-ray electrons and positrons (CRe) at very high energies probe local cosmic-ray accelerators an…

astro-ph.HE2024★ 12 cited

Very-high-energy -ray emission from young massive star clusters in the Large Magellanic Cloud

F. Aharonian, F. Ait Benkhali, J. Aschersleben +129

The Tarantula Nebula in the Large Magellanic Cloud is known for its high star formation activity. At its center lies the young massive star cluster R136, providing a significant am…

astro-ph.HE2024

H.E.S.S. observations of the 2021 periastron passage of PSR B1259-63/LS 2883

H. E. S. S. Collaboration, F. Aharonian, F. Ait Benkhali +141

PSR B1259-63 is a gamma-ray binary system that hosts a pulsar in an eccentric orbit, with a 3.4 year period, around an O9.5Ve star. At orbital phases close to periastron passages,…

astro-ph.HE2024

Unveiling extended gamma-ray emission around HESS J1813-178

F. Aharonian, F. Ait Benkhali, J. Aschersleben +147

HESS J1813178 is a very-high-energy -ray source spatially coincident with the young and energetic pulsar PSR J18131749 and thought to be associated with its pulsar wind ne…

astro-ph.HE2024★ 60 cited

Acceleration and transport of relativistic electrons in the jets of the microquasar SS 433

F. Aharonian, F. Ait Benkhali, J. Aschersleben +161

SS 433 is a microquasar, a stellar binary system with collimated relativistic jets. We observed SS 433 in gamma rays using the High Energy Stereoscopic System (H.E.S.S.), finding a…

astro-ph.HE2024

TeV flaring activity of the AGN PKS 0625-354 in November 2018

H. E. S. S. Collaboration, F. Aharonian, F. Ait Benkhali +139

Most -ray detected active galactic nuclei are blazars with one of their relativistic jets pointing towards the Earth. Only a few objects belong to the class of radio galaxies or…

astro-ph.HE2024★ 6 cited

Gamma rays from dark matter spikes in EAGLE simulations

J. Aschersleben, G. Bertone, D. Horns +3

Intermediate Mass Black Holes (IMBHs) with a mass range between and are expected to be surrounded by high dark matter densities, so…

astro-ph.HE2022★ 12 cited

Gamma-ray observations of MAXI J1820+070 during the 2018 outburst

H. Abe, S. Abe, V. A. Acciari +439

MAXI J1820+070 is a low-mass X-ray binary with a black hole as a compact object. This binary underwent an exceptionally bright X-ray outburst from March to October 2018, showing ev…