activity
20052026
most citedFermi Large Area Telescope Fourth Source Catalog

1.4k citations · 35.5k across the 300 of their papers we have counts for

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Showing 2023Show all

21 papers · 1 filter

astro-ph.HE2023

Fermi-LAT detection of the supernova remnant G312.4-0.4 in the vicinity of 4FGL J1409.1-6121e

Pauline Chambery, Marianne Lemoine-Goumard, Armelle Jardin-Blicq +2

Gamma-ray emission provides constraints on the non-thermal radiation processes at play in astrophysical particle accelerators. This allows both the nature of accelerated particles…

astro-ph.HE2023★ 31 cited

Discovery of a Radiation Component from the Vela Pulsar Reaching 20 Teraelectronvolts

The H. E. S. S. Collaboration, :, F. Aharonian +178

Gamma-ray observations have established energetic isolated pulsars as outstanding particle accelerators and antimatter factories in the Galaxy. There is, however, no consensus rega…

astro-ph.HE2023

Chasing Gravitational Waves with the Cherenkov Telescope Array

Jarred Gershon Green, Alessandro Carosi, Lara Nava +563

The detection of gravitational waves from a binary neutron star merger by Advanced LIGO and Advanced Virgo (GW170817), along with the discovery of the electromagnetic counterparts…

astro-ph.HE2023★ 14 cited

Prospects for a survey of the Galactic plane with the Cherenkov Telescope Array

CTA Consortium

Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way. A survey of the entire Galactic Plane in the energy range from a few tens of GeV…

astro-ph.IM2023★ 1 cited

Interpolation of Instrument Response Functions for the Cherenkov Telescope Array in the Context of pyirf

Rune Michael Dominik, Maximilian Linhoff, Julian Sitarek

The Cherenkov Telescope Array (CTA) will be the next generation ground-based very-high-energy gamma-ray observatory, constituted by tens of Imaging Atmospheric Cherenkov Telescopes…

astro-ph.HE2023

Variability studies of active galactic nuclei from the long-term monitoring program with the Cherenkov Telescope Array

Guillaume Grolleron, Josefa Becerra González, Jonathan Biteau +13

Blazars are active galactic nuclei (AGN) with a relativistic jet oriented toward the observer. This jet is composed of accelerated particles which can display emission over the ent…

astro-ph.IM2023

Performance update of an event-type based analysis for the Cherenkov Telescope Array

Juan Bernete, Orel Gueta, Tarek Hassan +3

The Cherenkov Telescope Array (CTA) will be the next-generation observatory in the field of very-high-energy (20 GeV to 300 TeV) gamma-ray astroparticle physics. The traditional ap…

astro-ph.HE2023

Dark matter searches in dwarf spheroidal galaxies with the Cherenkov Telescope Array

Francesco Gabriele Saturni, Michele Doro, Aldo Morselli +1

Dark matter (DM) is one of the major components in the Universe. However, at present its existence is still only inferred through indirect astronomical observations. DM particles c…

astro-ph.HE2023★ 9 cited

Prospects for -ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array

The Cherenkov Telescope Array Consortium, :, K. Abe +564

Galaxy clusters are expected to be dark matter (DM) reservoirs and storage rooms for the cosmic-ray protons (CRp) that accumulate along the cluster's formation history. Accordingly…

astro-ph.HE2023

Joint H.E.S.S. and Fermi-LAT analysis of the region around PSR J1813-1749

T. Wach, A. M. W. Mitchell, V. Joshi +1

HESS J1813-178 is one of the brightest sources detected during the first HESS Galactic Plane survey. The compact source, also detected by MAGIC, is believed to be a pulsar wind neb…

astro-ph.HE2023

Modelling of highly extended Gamma-ray emission around the Geminga Pulsar as detected with H.E.S.S

A. M. W. Mitchell, S. Caroff

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…

astro-ph.IM2023★ 98 cited

Gammapy: A Python package for gamma-ray astronomy

Axel Donath, Régis Terrier, Quentin Remy +42

In this article, we present Gammapy, an open-source Python package for the analysis of astronomical -ray data, and illustrate the functionalities of its first long-term-support…

astro-ph.HE2023

Evidence for proton acceleration and escape from the Puppis A SNR using Fermi-LAT observations

Roberta Giuffrida, Marianne Lemoine-Goumard, Marco Miceli +3

Supernova remnants (SNRs) are the best candidates for galactic cosmic ray acceleration to relativistic energies via diffusive shock acceleration. The gamma-ray emission of SNRs can…

astro-ph.HE2023

Study of a pulsar wind nebula candidate around the intermediate-age pulsar PSR J1413-6205 with H.E.S.S

P. Chambéry, Y. Gallant, A. Jardin-Blicq +5

Very-high-energy -ray emission provides constraints on the morphology and the physics mechanisms involved in the evolution of pulsar wind nebulae (PWNe). In the Galactic plane,…

astro-ph.HE2023★ 16 cited

Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

The Cherenkov Telescope Array Consortium

A deep survey of the Large Magellanic Cloud at ~0.1-100TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the…

astro-ph.HE2023★ 9 cited

Constraining the cosmic-ray pressure in the inner Virgo Cluster using H.E.S.S. observations of M 87

H. E. S. S. Collaboration, :, F. Aharonian +160

The origin of the gamma-ray emission from M87 is currently a matter of debate. This work aims to localize the VHE (100 GeV-100 TeV) gamma-ray emission from M87 and probe a potentia…

astro-ph.HE2023★ 29 cited

Detection of extended gamma-ray emission around the Geminga pulsar with H.E.S.S

H. E. S. S. Collaboration, :, F. Aharonian +165

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 was discovered by…

astro-ph.HE2023★ 22 cited

Sensitivity of the Cherenkov Telescope Array to spectral signatures of hadronic PeVatrons with application to Galactic Supernova Remnants

The Cherenkov Telescope Array Consortium, F. Acero, A. Acharyya +356

The local Cosmic Ray (CR) energy spectrum exhibits a spectral softening at energies around 3~PeV. Sources which are capable of accelerating hadrons to such energies are called hadr…

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.HE2023★ 143 cited

Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow

S. Lesage, P. Veres, M. S. Briggs +136

We report the discovery of GRB 221009A, the highest flux gamma-ray burst ever observed by the Fermi Gamma-ray Burst Monitor (GBM). This GRB has continuous prompt emission lasting m…

astro-ph.HE2023★ 23 cited

HESS J1809193: a halo of escaped electrons around a pulsar wind nebula?

H. E. S. S. Collaboration, :, F. Aharonian +151

Context. HESS J1809193 is an unassociated very-high-energy -ray source located on the Galactic plane. While it has been connected to the nebula of the energetic pulsar PSR J1…