R. Moderski
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View article: The SST-1M stereoscopic system
The SST-1M stereoscopic system Open
The Single-Mirror Small-Size Telescope (SST-1M) is an Imaging Atmospheric Cherenkov Telescope designed for detecting very high-energy gamma rays. With a compact design achieved through the adoption of silicon-photomultiplier pixels and a l…
View article: H.E.S.S. programme searching for VHE gamma rays associated with FRBs
H.E.S.S. programme searching for VHE gamma rays associated with FRBs Open
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. The high luminosity, short duration, and high dispersion meas…
View article: Observation of the Crab Nebula with the Single-Mirror Small-Size Telescope stereoscopic system at low altitude
Observation of the Crab Nebula with the Single-Mirror Small-Size Telescope stereoscopic system at low altitude Open
The Single-Mirror Small-Size Telescope (SST-1M) stereoscopic system is composed of two Imaging Atmospheric Cherenkov Telescopes (IACTs) designed to deliver optimal performance for gamma-ray astronomy in the multi-TeV energy range. It featu…
View article: The H.E.S.S. extragalactic sky survey with the first decade of observations
The H.E.S.S. extragalactic sky survey with the first decade of observations Open
The results of the first extragalactic gamma-ray survey by the High Energy Stereoscopic System (H.E.S.S.) are presented. The survey comprises 2720 hours of very high-energy gamma-ray observations of the extragalactic sky, recorded with H.E…
View article: Detection of very high-energy gamma-ray emission from Eta Carinae during its 2020 periastron passage
Detection of very high-energy gamma-ray emission from Eta Carinae during its 2020 periastron passage Open
The colliding-wind binary system η Carinae has been identified as a source of high-energy (HE, below ∼100 GeV) and very high-energy (VHE, above ∼100 GeV) gamma rays in the last decade, making it unique among these systems. With its eccentr…
View article: The SST-1M imaging atmospheric Cherenkov telescope for gamma-ray astrophysics
The SST-1M imaging atmospheric Cherenkov telescope for gamma-ray astrophysics Open
The SST-1M (webpage: https://sst-1m.space ) is a Small-Sized Telescope (SST) designed to provide a cost-effective and high-performance solution for gamma-ray astrophysics, particularly for energies beyond a few TeV. The goal is to integrat…
View article: Detection of very-high-energy gamma-ray emission from Eta Carinae during its 2020 periastron passage
Detection of very-high-energy gamma-ray emission from Eta Carinae during its 2020 periastron passage Open
The colliding-wind binary system $η$ Carinae has been identified as a source of high-energy (HE, below $\sim$100\,GeV) and very-high-energy (VHE, above $\sim$100\,GeV) gamma rays in the last decade, making it unique among these systems. Wi…
View article: High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S.
High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S. Open
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 and provide constraints on exotic production mechanisms such …
View article: The SST-1M imaging atmospheric Cherenkov telescope for gamma-ray astrophysics
The SST-1M imaging atmospheric Cherenkov telescope for gamma-ray astrophysics Open
The SST-1M is a Small-Sized Telescope (SST) designed to provide a cost-effective and high-performance solution for gamma-ray astrophysics, particularly for energies beyond a few TeV. The goal is to integrate this telescope into an array of…
View article: Very-high-energy γ-Ray Emission from Young Massive Star Clusters in the Large Magellanic Cloud
Very-high-energy γ-Ray Emission from Young Massive Star Clusters in the Large Magellanic Cloud Open
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 amount of the energy that makes the nebula shine so brightly …
View article: H.E.S.S. observations of the 2021 periastron passage of PSR B1259-63/LS 2883
H.E.S.S. observations of the 2021 periastron passage of PSR B1259-63/LS 2883 Open
PSR B1259–63/LS 2883 is a gamma-ray binary system that hosts a pulsar in an eccentric orbit, with a 3.4 yr period, around an O9.5Ve star (LS 2883). At orbital phases close to periastron passages, the system radiates bright and variable non…
View article: Unveiling extended gamma-ray emission around HESS J1813-178
Unveiling extended gamma-ray emission around HESS J1813-178 Open
Context . HESS J1813–178 is a very-high-energy γ -ray source spatially coincident with the young and energetic pulsar PSR J1813–1749 and thought to be associated with its pulsar wind nebula (PWN). Recently, evidence for extended high-energ…
View article: Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined <i>Fermi</i>-LAT and H.E.S.S. analysis
Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined <i>Fermi</i>-LAT and H.E.S.S. analysis Open
The Crab Nebula is a unique laboratory for studying the acceleration of electrons and positrons through their non-thermal radiation. Observations of very-high-energy γ rays from the Crab Nebula have provided important constraints for model…
View article: TeV flaring activity of the AGN PKS 0625–354 in November 2018
TeV flaring activity of the AGN PKS 0625–354 in November 2018 Open
Most γ -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 misaligned blazars. Here, we investigate the nature of the …
View article: Evidence for <i>γ</i>-ray emission from the remnant of Kepler’s supernova based on deep H.E.S.S. observations <i>(Corrigendum)</i>
Evidence for <i>γ</i>-ray emission from the remnant of Kepler’s supernova based on deep H.E.S.S. observations <i>(Corrigendum)</i> Open
International audience
View article: Curvature in the very-high energy gamma-ray spectrum of M 87
Curvature in the very-high energy gamma-ray spectrum of M 87 Open
The radio galaxy M 87 is a variable very-high energy (VHE) gamma-ray source, exhibiting three major flares, which were reported in 2005, 2008, and 2010. Despite extensive studies, the origin of the VHE gamma-ray emission is not yet fully u…
View article: Acceleration and transport of relativistic electrons in the jets of the microquasar SS 433
Acceleration and transport of relativistic electrons in the jets of the microquasar SS 433 Open
SS 433 is a microquasar, a stellar binary system that launches collimated relativistic jets. We observed SS 433 in gamma rays using the High Energy Stereoscopic System (H.E.S.S.) and found an energy-dependent shift in the apparent position…
View article: High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S.
High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S. Open
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 and provide constraints on exotic production mechanisms such …
View article: Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined Fermi-LAT and H.E.S.S. analysis
Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined Fermi-LAT and H.E.S.S. analysis Open
The Crab Nebula is a unique laboratory for studying the acceleration of electrons and positrons through their non-thermal radiation. Observations of very-high-energy $\gamma$ rays from the Crab Nebula have provided important constraints fo…
View article: Unveiling extended gamma-ray emission around HESS J1813-178
Unveiling extended gamma-ray emission around HESS J1813-178 Open
Context. HESS J1813–178 is a very-high-energy γ-ray source spatially coincident with the young and energetic pulsar PSR J1813–1749 and thought to be associated with its pulsar wind nebula (PWN). Recently, evidence for extended high-energy …