SF
S. Fegan
astro-ph.HEastro-ph.COastro-phastro-ph.IMastro-ph.GAhep-phhep-exphysics.ins-detphysics.opticsastro-ph.SR
On Valency
published · living versionsW_32e8cec4·v1 · currentpublished
A very-high-energy component deep in the Gamma-ray Burst afterglow
with H. Abdalla R. Adam F. Aharonian F. Ait Benkhali E. O. Anguener M. Arakawa, C. Arcaro, C. Armand, H. Ashkar +217
1 version
W_3qzq3v6g·v1published
W_jjkf4rbv·v1published
W_qnzfqujj·v1published
W_r3y4k8aq·v1published
Preprints & journals
259 papers in the corpus · 1999–2026Evidence for a spectral steepening of the gamma-ray emission from the Galactic Center ridge2608.25946v1 · A. Acharyya, F. Aharonian, H. Ashkar et al.2026 · 0 citationsarXiv
Broadband multiwavelength properties of the archetypal blazar 3C 279 during the 2017 Event Horizon Telescope campaign2606.25868v2 · G. Principe, J. C. Algaba, E. Aviano et al.2026 · 0 citationsA&A, 712, A224 (2026)
Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies2604.08748v1 · S. Abe, J. Abhir, A. Abhishek et al.2026 · 0 citationsarXiv
Combined dark matter search towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS2508.20229v1 · S. Abdollahi, L. Baldini, R. Bellazzini et al.2025 · 5 citationsarXiv
Prospects for dark matter observations in dwarf spheroidal galaxies with the Cherenkov Telescope Array Observatory2508.19120v3 · K. Abe, S. Abe, J. Abhir et al.2025 · 3 citationsMon Not R Astron Soc (2025) 2946-2986
Revisiting Two Decades of GRB Observations: Assessing Missed Very High-Energy Detections and Future Prospects2508.07821v1 · Halim Ashkar, Stephen Fegan, Aur'elie Sangar'e2025 · 0 citationsarXiv
The H.E.S.S. extragalactic sky survey with the first decade of observations2504.21221v1 · H.E.S.S. Collaboration, F. Aharonian, F. Ait Benkhali et al.2025 · 3 citationsA&A, 695, A261 (2025)
Periodic Gamma-ray Modulation of the blazar PG 1553+113 Confirmed by Fermi-LAT and Multi-wavelength Observations2501.08015v1 · S. Abdollahi, L. Baldini, G. Barbiellini et al.2025 · 19 citationsThe Astrophysical Journal, vol. 976, num. 203, (18pp), issued on 2024 December 1st
High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S.39672149 · Aharonian, F, Benkhali, F Ait, Aschersleben, J et al.2024 · 19 citationsPhysical review letters. 2024;133(22):221001
The perfomance of generalized Davies-Cotton optical systems with infinitesimal mirror facets2411.16434v1 · S. Fegan (LLR)2024 · 2 citationsAstroparticle Physics, 2024, 158, pp.102948
GRB 221009A: the B.O.A.T Burst that Shines in Gamma Rays2409.04580v1 · M. Axelsson, M. Ajello, M. Arimoto et al.2024 · 21 citationsarXiv
Broadband Multi-wavelength Properties of M87 during the 2018 EHT Campaign including a Very High Energy Flaring Episode2404.17623v3 · J. C. Algaba, M. Balokovic, S. Chandra et al.2024 · 35 citationsA&A 692, A140 (2024)
Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined Fermi-LAT and H.E.S.S. analysis2403.12608v2 · F. Aharonian, F. Ait Benkhali, J. Aschersleben et al.2024 · 26 citationsA&A 686, A308 (2024)
Dark Matter Line Searches with the Cherenkov Telescope Array2403.04857v2 · S. Abe, J. Abhir, A. Abhishek et al.2024 · 19 citationsJCAP 07 (2024) 047
Curvature in the very-high energy gamma-ray spectrum of M872402.13330v3 · H.E.S.S. Collaboration, F. Aharonian, F. Ait Benkhali et al.2024 · 15 citationsA&A, 685, A96 (2024)
The case of the missing VHE GRBs: A retrospective study of Swift gamma-ray bursts with Imaging Atmospheric Cherenkov Telescopes2402.01421v1 · Halim Ashkar, Aur'elie Sangar'e, Stephen Fegan et al.2024 · 0 citationsarXiv
Chasing Gravitational Waves with the Cherenkov Telescope Array2310.07413v3 · Jarred Gershon Green, Alessandro Carosi, Lara Nava et al.2023 · 1 citationarXiv
Prospects for -ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array2309.03712v1 · S. Abe, F. Acero, A. Acharyya et al.2023 · 11 citationsJCAP10(2024)004
Probing VHE gamma-ray emission from GW events with H.E.S.S2309.03715v1 · Halim Ashkar, Mathieu de Bony de Lavergne, Francois Brun et al.2023 · 0 citationsarXiv
All sky archival search for FRB high energy counterparts with Swift and Fermi2309.02883v1 · Halim Ashkar, Mehdi El Bouhaddouti, Stephen Fegan et al.2023 · 2 citationsarXiv
The Third Fermi Large Area Telescope Catalog of Gamma-ray Pulsars2307.11132v1 · David A. Smith, Philippe Bruel, Colin J. Clark et al.2023 · 174 citationsarXiv
The vanishing of the primary emission region in PKS 1510-0892307.01692v1 · F. Aharonian, F. Ait Benkhali, J. Aschersleben et al.2023 · 23 citationsarXiv
Sensitivity of the Cherenkov Telescope Array to spectral signatures of hadronic PeVatrons with application to Galactic Supernova Remnants2303.15007v1 · F. Acero, A. Acharyya, R. Adam et al.2023 · 22 citationsarXiv
Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow2303.14172v2 · S. Lesage, P. Veres, M. S. Briggs et al.2023 · 146 citationsarXivon Valency
H.E.S.S. follow-up observations of GRB221009A2303.10558v1 · H.E.S.S. Collaboration: F. Aharonian, F. Ait Benkhali, J. Aschersleben et al.2023 · 26 citationsarXiv
The Fermi-LAT Light Curve Repository2301.01607v2 · S. Abdollahi, M. Ajello, L. Baldini et al.2023 · 100 citationsarXiv
Search for new cosmic-ray acceleration sites within the 4FGL catalog Galactic plane sources2205.03111v1 · S. Abdollahi, F. Acero, M. Ackermann et al.2022 · 11 citationsarXiv
Design and Performance of the Prototype Schwarzschild-Couder Telescope Camera2203.08169v1 · Colin B. Adams, Giovanni Ambrosi, Michelangelo Ambrosio et al.2022 · 20 citationsJ. Astron. Telesc. Instrum. Syst. 8(1), 014007 (2022)
Time-resolved hadronic particle acceleration in the recurrent nova RS Ophiuchi.35271303 · H.E.S.S. Collaboration*†, Aharonian, F, Ait Benkhali, F et al.2022 · 92 citationsScience (New York, N.Y.). 2022;376(6588):77-80
Incremental Fermi Large Area Telescope Fourth Source Catalog2201.11184v3 · Soheila Abdollahi, Fabio Acero, Luca Baldini et al.2022 · 571 citationsApJS 260, 53 (2022)
H.E.S.S. follow-up observations of Binary Black Hole Coalescence events during the second and third Gravitational Waves observing runs of Advanced LIGO and Advanced Virgo2112.08307v1 · H.E.S.S. collaboration: H. Abdalla, F. Aharonian, F. Ait Benkhali et al.2021 · 15 citationsApJ, 923, 109 (2021)
Prototype Schwarzschild-Couder Telescope for the Cherenkov Telescope Array: Commissioning the Optical System2110.07463v1 · C. B. Adams, G. Ambrosi, M. Ambrosio et al.2021 · 6 citationsProceedings of Science, PoS(ICRC2021)717
Measurement of performance of the NectarCAM photodetectors2110.06030v1 · A. Tsiahina, P. Jean, J.-F. Olive et al.2021 · 11 citationsNIMA, Volume 1007, 11 August 2021, 165413
Searching for TeV gamma-ray emission from SGR\,1935+2154 during its 2020 X-ray and radio bursting phase2110.00636v1 · H.E.S.S. Collaboration: H. Abdalla, F. Aharonian, F. Ait Benkhali et al.2021 · 13 citationsarXiv
Observation of the gamma-ray binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS telescopes2109.11894v1 · C. B. Adams, W. Benbow, A. Brill et al.2021 · 23 citationsarXiv
Detection of the Crab Nebula by the prototype Schwarzschild-Couder Telescope2109.06225v1 · C. B. Adams, G. Ambrosi, M. Ambrosio et al.2021 · 4 citationsProceedings of Science, PoS(ICRC2021)830
Design and performance of the prototype Schwarzschild-Couder Telescope camera2109.05127v1 · C. B. Adams, G. Ambrosi, M. Ambrosio et al.2021 · 11 citationsarXiv
LMC N132D: A mature supernova remnant with a power-law gamma-ray spectrum extending beyond 8 TeV2108.02015v1 · H.E.S.S. Collaboration: H. Abdalla, F. Aharonian, F. Ait Benkhali et al.2021 · 13 citationsA&A 655, A7 (2021)
TeV emission of Galactic plane sources with HAWC and H.E.S.S2107.01425v3 · H. Abdalla, F. Aharonian, F. Ait Benkhali et al.2021 · 27 citationsarXiv
Evidence of 100 TeV -ray emission from HESS J1702-420: A new PeVatron candidate2106.06405v2 · H. Abdalla, F. Aharonian, F. Ait Benkhali et al.2021 · 31 citationsarXiv
Multi-messenger and transient astrophysics with the Cherenkov Telescope Array2106.03621v1 · Z. Bosnjak, A. M. Brown, A. Carosi et al.2021 · 4 citationsarXiv
Probing extreme environments with the Cherenkov Telescope Array2106.05971v1 · C. Boisson, A.M. Brown, A. Burtovoi et al.2021 · 0 citationsarXiv
Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow.34083487 · H.E.S.S. Collaboration, Abdalla, H, Aharonian, F et al.2021 · 172 citationsScience (New York, N.Y.). 2021;372(6546):1081-1085
Search for dark matter annihilation signals from unidentified Fermi-LAT objects with H.E.S.S2106.00551v2 · H.E.S.S. Collaboration, H. Abdallah, F. Aharonian et al.2021 · 13 citationsAstrophys.J., 918, 17 (2021)
Search for dark matter annihilation in the dwarf irregular galaxy WLM with H.E.S.S2105.04325v1 · H.E.S.S. Collaboration, H. Abdallah, R. Adam et al.2021 · 19 citationsPhys. Rev. D 103, 102002 (2021)
The First Fermi-LAT Solar Flare Catalog2101.10010v1 · M. Ajello, L. Baldini, D. Bastieri et al.2021 · 62 citationsApJS 252 13 (2021)
Observation of a sudden cessation of a very-high-energy gamma-ray flare in PKS 1510-089 with H.E.S.S. and MAGIC in May 20162012.10254v1 · H.E.S.S. Collaboration, H. Abdalla, R. Adam et al.2020 · 32 citationsA&A 648, A23 (2021)
Detection of the Crab Nebula with the 9.7 m Prototype Schwarzschild-Couder Telescope2012.08448v1 · C. B. Adams, R. Alfaro, G. Ambrosi et al.2020 · 33 citationsarXiv
Verification of the Optical System of the 9.7-m Prototype Schwarzschild-Couder Telescope2010.13027v1 · C. Adams, R. Alfaro, G. Ambrosi et al.2020 · 6 citationsarXiv
An extreme particle accelerator in the Galactic plane: HESS J1826$-$1302010.13101v1 · H.E.S.S. Collaboration, H. Abdalla, R. Adam et al.2020 · 17 citationsA&A 644, A112 (2020)
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