S. Einecke
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View article: Searching for Escaped Cosmic Rays from Supernova Remnants using Fermi-LAT Data
Searching for Escaped Cosmic Rays from Supernova Remnants using Fermi-LAT Data Open
The origin of cosmic rays has been an active area of research since their discovery over a century ago. Supernova remnants (SNRs) are believed to be able to accelerate cosmic rays up to the knee of the observed cosmic-ray spectrum. Althoug…
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: 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: eROSITA X-ray Analysis of the PeVatron Candidate Westerlund 1
eROSITA X-ray Analysis of the PeVatron Candidate Westerlund 1 Open
It is unclear which fraction of cosmic rays above an energy of 1 PeV is accelerated by the observed Galactic PeVatron population. These sources' gamma-ray data is typically degenerate between hadronic and leptonic emission scenarios, which…
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: 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: 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: The Gamma-Ray Origin of RX J0852.0-4622 Quantifying the Hadronic and Leptonic Components: Further Evidence for the Cosmic-Ray Acceleration in Young Shell-type SNRs
The Gamma-Ray Origin of RX J0852.0-4622 Quantifying the Hadronic and Leptonic Components: Further Evidence for the Cosmic-Ray Acceleration in Young Shell-type SNRs Open
Fukui et al. quantified the hadronic and leptonic gamma-rays in the young TeV gamma-ray shell-type supernova remnant (SNR) RX J1713.7-3946 (RX J1713), and demonstrated that gamma rays are a combination of hadronic and leptonic gamma-ray co…
View article: A 3D diffusive and advective model of electron transport applied to the pulsar wind nebula HESS J1825 − 137
A 3D diffusive and advective model of electron transport applied to the pulsar wind nebula HESS J1825 − 137 Open
HESS J1825 − 137 is one of the most powerful and luminous TeV gamma-ray pulsar wind nebulae, making it an excellent laboratory to study particle transportation around pulsars. We present a model of the (diffusive and advective) transport a…
View article: A 3D Diffusive and Advective Model of Electron Transport Applied to the Pulsar Wind Nebula HESS J1825-137
A 3D Diffusive and Advective Model of Electron Transport Applied to the Pulsar Wind Nebula HESS J1825-137 Open
HESS J1825-137 is one of the most powerful and luminous TeV gamma-ray pulsar wind nebulae (PWNe), making it an excellent laboratory to study particle transportation around pulsars. We present a model of the (diffusive and advective) transp…
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: Optimising an array of Cherenkov telescopes in Australia for the detection of TeV gamma-ray transients
Optimising an array of Cherenkov telescopes in Australia for the detection of TeV gamma-ray transients Open
As TeV gamma-ray astronomy progresses into the era of the Cherenkov Telescope Array (CTA), instantaneously following up on gamma-ray transients is becoming more important than ever. To this end, a worldwide network of Imaging Atmospheric C…
View article: Investigating unusual Hα features towards the Scutum Supershell
Investigating unusual Hα features towards the Scutum Supershell Open
We investigate the unusual H $\alpha$ features found towards the Scutum Supershell via recent arc-minute and arc-second resolution imaging. These multi-degree features resemble a long central spine ending in a bow-shock morphology. We perf…
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 J1813−1749and thought to be associated with its pulsar wind nebula (PWN). Recently, evidence for extended high-energy e…
View article: The Gamma Ray Origin in RXJ0852.0-4622 Quantifying the Hadronic and Leptonic Components: Further Evidence for the Cosmic Ray Acceleration in Young Shell-type SNRs
The Gamma Ray Origin in RXJ0852.0-4622 Quantifying the Hadronic and Leptonic Components: Further Evidence for the Cosmic Ray Acceleration in Young Shell-type SNRs Open
Fukui et al. (2021) quantified the hadronic and leptonic gamma rays in the young TeV gamma ray shell-type supernova remnant (SNR) RXJ1713.7-3946 (RXJ1713), and demonstrated that the gamma rays are a combination of the hadronic and leptonic…
View article: Galactic Centre with a Southern Wide Field-of-view Gamma-ray Observatory
Galactic Centre with a Southern Wide Field-of-view Gamma-ray Observatory Open
The Galactic Centre (GC) region is a highly interesting region for very high energy gamma-ray studies due to its proximity and diverse sources. It is also a unique place for Dark Matter (DM) searches, since we expect a large amount of DM i…
View article: Status of the SST Camera for the Cherenkov Telescope Array
Status of the SST Camera for the Cherenkov Telescope Array Open
The Cherenkov Telescope Array will be the next generation ground-based gamma ray observatory in the energy range from few tens of GeV to hundreds of TeV. It will be built on two sites, one for each hemisphere, to cover the entire sky. The …
View article: Modelling the Transport of Particles in the Interstellar Medium
Modelling the Transport of Particles in the Interstellar Medium Open
To reveal the nature of high-energy gamma-ray sources and to understand the associated emission and acceleration mechanisms, we need detailed models capable of reproducing the observed energy spectra and morphologies. Gamma rays can be pro…
View article: H.E.S.S. follow-up observations of GRB 221009A
H.E.S.S. follow-up observations of GRB 221009A Open
GRB 221009A 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 observations 51.8 hours after the triggering event, when the brightnes…
View article: The Eta Carinae 2020 periastron passage as seen by H.E.S.S.
The Eta Carinae 2020 periastron passage as seen by H.E.S.S. Open
The binary system Eta Carinae is a unique laboratory to study particle acceleration up to very high energies (VHE) under a wide range of conditions. Particles are thought to be accelerated at shocks forming in the wind collision region. Et…
View article: Modelling the Gamma-ray Morphology of the Supernova Remnant W28
Modelling the Gamma-ray Morphology of the Supernova Remnant W28 Open
Gamma-ray emission in the GeV and TeV energy regime has been detected towards the old supernova remnant (SNR) W28. \nThis object is a prime candidate for the study of cosmic-ray acceleration and diffusion, as the established adjacent molec…
View article: Towards the second H.E.S.S. galactic plane catalogue
Towards the second H.E.S.S. galactic plane catalogue Open
The H.E.S.S. Galactic Plane Survey (HGPS), carried out between 2004 and 2013,\nis the most extensive survey of our Galaxy at very-high energies that covers\nthe southern sky. Since the first HPGS catalogue release, the new observations\nac…
View article: Modelling of highly extended Gamma-ray emission around the Geminga Pulsar as detected with H.E.S.S.
Modelling of highly extended Gamma-ray emission around the Geminga Pulsar as detected with H.E.S.S. Open
Geminga is an enigmatic radio-quiet gamma-ray pulsar located at a mere 250 pc distance from Earth. Extended very-high-energy gamma-ray emission around the pulsar has been detected by multiple water Cherenkov detector based instruments. How…
View article: Modelling cosmic rays escaping from RXJ1713.7-3946 - Is it a really a PeVatron?
Modelling cosmic rays escaping from RXJ1713.7-3946 - Is it a really a PeVatron? Open
RXJ1713.7-3946 is one of the most prominent supernova remnants (SNRs) at high energies, with clearly rim-brightened emission from X-ray to TeV gamma-ray energies. Its relatively young age (1.6 kyr) also makes it a perfect example to search…
View article: H.E.S.S. Observations of the Gamma-ray Binary LMC P3
H.E.S.S. Observations of the Gamma-ray Binary LMC P3 Open
LMC P3 is a gamma-ray binary comprising of an unconfirmed compact object and an O-star and is located in the Large Magellanic Cloud. Initially discovered in Fermi-LAT data, it shows an orbital period of 10.3 days. H.E.S.S. has reported the…