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First fermi-LAT solar flare catalog

  • M. Ajello
  • , L. Baldini
  • , D. Bastieri
  • , R. Bellazzini
  • , A. Berretta
  • , E. Bissaldi
  • , R. D. Blandford
  • , R. Bonino
  • , P. Bruel
  • , S. Buson
  • , R. A. Cameron
  • , R. Caputo
  • , E. Cavazzuti
  • , C. C. Cheung
  • , G. Chiaro
  • , D. Costantin
  • , S. Cutini
  • , F. D'Ammando
  • , F. De Palma
  • , R. Desiante
  • N. Di Lalla, L. Di Venere, F. Fana Dirirsa, S. J. Fegan, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, F. Giordano, M. Giroletti, D. Green, S. Guiriec, E. Hays, J. W. Hewitt, D. Horan, G. Jóhannesson, M. Kovac'Evic, M. Kuss, S. Larsson, L. Latronico, J. Li, F. Longo, M. N. Lovellette, P. Lubrano, S. Maldera, A. Manfreda, G. Marti-Devesa, M. N. Mazziotta, I. Mereu, P. F. Michelson, T. Mizuno, M. E. Monzani, A. Morselli, I. V. Moskalenko, M. Negro, N. Omodei, M. Orienti, E. Orlando, D. Paneque, Z. Pei, M. Persic, M. Pesce-Rollins, V. Petrosian, F. Piron, T. A. Porter, G. Principe, J. L. Racusin, S. Rainó, R. Rando, B. Rani, M. Razzano, S. Razzaque, A. Reimer, O. Reimer, D. Serini, C. Sgro, E. J. Siskind, G. Spandre, P. Spinelli, D. Tak, E. Troja, J. Valverde, K. Wood, G. Zaharijas
  • Clemson University
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • INFN
  • University of Padova
  • University of Perugia
  • Politecnico di Bari
  • INFN Sezione di Bari
  • Stanford Linear Accelerator Center
  • INFN Sezione di Torino
  • University of Turin
  • University of Würzburg
  • NASA Goddard Space Flight Center
  • Science and Research Directorate
  • Naval Research Laboratory
  • INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Milan
  • INFN Sezione di Perugia
  • INAF Istituto di Radioastronomia
  • University of Johannesburg
  • Hiroshima University
  • Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen
  • INFN Roma Tor Vergata
  • Max-Planck-Institut für Physik
  • George Washington University
  • University of North Florida
  • University of Iceland
  • KTH Royal Institute of Technology
  • Oskar Klein Centre
  • Dalarna University
  • c/o DESY
  • INFN Sezione di Trieste
  • University of Trieste
  • University of Innsbruck
  • Biochemical and Environmental Engineering
  • INAF-Trieste
  • Laboratoire Univers et Particules de Montpellier
  • Korea Astronomy and Space Science Institute
  • NYCB Real-Time Computing Inc.
  • University of Maryland
  • Praxis Inc.
  • University of Nova Gorica

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

We present the first Fermi-Large Area Telescope (LAT) solar flare catalog covering the 24th solar cycle. This catalog contains 45 Fermi-LAT solar flares (FLSFs) with emission in the γ-ray energy band (30 MeV-10 GeV) detected with a significance of .5σ over the years 2010-2018. A subsample containing 37 of these flares exhibits delayed emission beyond the prompt-impulsive hard X-ray phase, with 21 flares showing delayed emission lasting more than two hours. No prompt-impulsive emission is detected in four of these flares. We also present in this catalog observations of GeV emission from three flares originating from active regions located behind the limb of the visible solar disk. We report the lightcurves, spectra, best proton index, and localization (when possible) for all FLSFs. The γ-ray spectra are consistent with the decay of pions produced by >300 MeV protons. This work contains the largest sample of high-energy γ-ray flares ever reported and provides a unique opportunity to perform population studies on the different phases of the flare and thus allowing a new window in solar physics to be opened.

langue originaleAnglais
Numéro d'articleabd32e
journalAstrophysical Journal, Supplement Series
Volume252
Numéro de publication2
Les DOIs
étatPublié - 1 févr. 2021

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