Fermi Detection of γ-Ray Emission from the M2 Soft X-Ray Flare on 2010 June 12

Markus Ackermann; Marco Ajello; A. Allafort; W. B. Atwood; Luca Baldini; Guido Barbiellini; D. Bastieri; K. Bechtol; R. Bellazzini; P. N. Bhat; R. D. Blandford; E. Bonamente; A. W. Borgland; J. Bregeon; M. S. Briggs; M. Brigida; Pascal Bruel; R. Buehler; J. M. Burgess; S. Buson; G. A. Caliandro; R. A. Cameron; J. M. Casandjian; C. Cecchi; E. Charles; A. Chekhtman; J. Chiang; S. Ciprini; R. Claus; J. Cohen-Tanugi; V. Connaughton; J. Conrad; S. Cutini; B. R. Dennis; F. de Palma; C. D. Dermer; S. W. Digel; E. Silva; P. S. Drell; A. Drlica-Wagner; R. Dubois; C. Favuzzi; S. J. Fegan; E. C. Ferrara; P. Fortin; Y. Fukazawa; P. Fusco; F. Gargano; S. Germani; N. Giglietto; F. Giordano; M. Giroletti; T. Glanzman; G. Godfrey; L. Grillo; J. E. Grove; D. Gruber; S. Guiriec; D. Hadasch; M. Hayashida; E. Hays; D. Horan; G. Iafrate; G. Jóhannesson; A. S. Johnson; W. N. Johnson; T. Kamae; R. M. Kippen; Jürgen Knödlseder; M. Kuss; J. Lande; L. Latronico; F. Longo; F. Loparco; B. Lott; M. N. Lovellette; P. Lubrano; M. N. Mazziotta; J. E. Mcenery; C. Meegan; J. Mehault; P. F. Michelson; W. Mitthumsiri; C. Monte; M. E. Monzani; A. Morselli; I. V. Moskalenko; S. Murgia; R. Murphy; M. Naumann-Godo; E. Nuss; T. Nymark; M. Ohno; T. Ohsugi; A. Okumura; N. Omodei; E. Orlando; W. S. Paciesas; J. H. Panetta; D. Parent; M. Pesce-Rollins; V. Petrosian; M. Pierbattista; F. Piron; G. Pivato; H. Poon; T.A. Porter; R. Preece; S. Rainò; R. Rando; M. Razzano; S. Razzaque; A. Reimer; O. Reimer; S. Ritz; C. Sbarra; R.A. Schwartz; C. Sgrò; G. H. Share; E. J. Siskind; P. Spinelli; H. Takahashi; T. Tanaka; Y. Tanaka; J. B. Thayer; L. Tibaldo; M. Tinivella; A. K. Tolbert; G. Tosti; E. Troja; Y. Uchiyama; T. L. Usher; J. Vandenbroucke; V. Vasileiou; G. Vianello; V. Vitale; A. von Kienlin; A. P. Waite; C. Wilson-Hodge; D. L. Wood; K. S. Wood; Z. Yang

doi:10.1088/0004-637X/745/2/144

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Fermi Detection of γ-Ray Emission from the M2 Soft X-Ray Flare on 2010 June 12

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Fermi Detection of γ-Ray Emission from the M2 Soft X-Ray Flare on 2010 June 12

Markus Ackermann, Marco Ajello, A. Allafort, W. B. Atwood, Luca Baldini, Guido Barbiellini, D. Bastieri, K. Bechtol, R. Bellazzini, P. N. Bhat, …

The Astrophysical Journal, Vol.745

2012

DOI: https://doi.org/10.1088/0004-637X/745/2/144

Abstract

acceleration of particles

Sun: flares

Sun: particle emission

Sun: X-rays

gamma rays

The Geostationary Operational Environmental Satellite (GOES) M2-class solar flare, SOL2010-06-12T00:57, was modest in many respects yet exhibited remarkable acceleration of energetic particles. The flare produced an ~50 s impulsive burst of hard X- and γ-ray emission up to at least 400 MeV observed by the Fermi Gamma-ray Burst Monitor and Large Area Telescope experiments. The remarkably similar hard X-ray and high-energy γ-ray time profiles suggest that most of the particles were accelerated to energies gsim300 MeV with a delay of ~10 s from mildly relativistic electrons, but some reached these energies in as little as ~3 s. The γ-ray line fluence from this flare was about 10 times higher than that typically observed from this modest GOES class of X-ray flare. There is no evidence for time-extended >100 MeV emission as has been found for other flares with high-energy γ-rays.

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Title: Fermi Detection of γ-Ray Emission from the M2 Soft X-Ray Flare on 2010 June 12
Creators - without role: Markus Ackermann - Deutsches Elektronen-Synchrotron DESY
Marco Ajello - Kavli Institute for Particle Astrophysics and Cosmology
A. Allafort - Kavli Institute for Particle Astrophysics and Cosmology
W. B. Atwood
Luca Baldini - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Guido Barbiellini - University of Trieste
D. Bastieri - University of Padua
K. Bechtol - Kavli Institute for Particle Astrophysics and Cosmology
R. Bellazzini - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
P. N. Bhat
R. D. Blandford
E. Bonamente - University of Perugia
A. W. Borgland
J. Bregeon - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
M. S. Briggs
M. Brigida - Polytechnic University of Bari
Pascal Bruel - École Polytechnique
R. Buehler - Kavli Institute for Particle Astrophysics and Cosmology
J. M. Burgess
S. Buson - University of Padua
G. A. Caliandro
R. A. Cameron
J. M. Casandjian - Astrophysique Interprétation Modélisation
C. Cecchi - University of Perugia
E. Charles - Kavli Institute for Particle Astrophysics and Cosmology
A. Chekhtman
J. Chiang - Kavli Institute for Particle Astrophysics and Cosmology
S. Ciprini - University of Perugia
R. Claus - Kavli Institute for Particle Astrophysics and Cosmology
J. Cohen-Tanugi - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
V. Connaughton - University of Alabama in Huntsville
J. Conrad - Stockholm University
S. Cutini - Agenzia Spaziale Italiana
B. R. Dennis
F. de Palma - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
C. D. Dermer
S. W. Digel
E. Silva
P. S. Drell
A. Drlica-Wagner - Kavli Institute for Particle Astrophysics and Cosmology
R. Dubois - Kavli Institute for Particle Astrophysics and Cosmology
C. Favuzzi - Polytechnic University of Bari
S. J. Fegan - Laboratoire Leprince-Ringuet
E. C. Ferrara
P. Fortin - Centre National de la Recherche Scientifique
Y. Fukazawa - Hiroshima University
P. Fusco - Polytechnic University of Bari
F. Gargano - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
S. Germani - University of Perugia
N. Giglietto - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
F. Giordano - Polytechnic University of Bari
M. Giroletti - Istituto di Radioastronomia di Bologna
T. Glanzman - Stanford University
G. Godfrey - Kavli Institute for Particle Astrophysics and Cosmology
L. Grillo - Stanford University
J. E. Grove
D. Gruber - Max Planck Institute for Extraterrestrial Physics
S. Guiriec - University of Alabama in Huntsville
D. Hadasch - Institute of Space Sciences
M. Hayashida - Stanford University
E. Hays - Goddard Space Flight Center
D. Horan - Laboratoire Leprince-Ringuet
G. Iafrate - Istituto Nazionale di Fisica Nucleare, Sezione di Trieste
G. Jóhannesson - University of Iceland
A. S. Johnson
W. N. Johnson
T. Kamae - Kavli Institute for Particle Astrophysics and Cosmology
R. M. Kippen
Jürgen Knödlseder - Université de Toulouse
M. Kuss - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
J. Lande - Kavli Institute for Particle Astrophysics and Cosmology
L. Latronico - Istituto Nazionale di Fisica Nucleare, Sezione di Torino
F. Longo - University of Trieste
F. Loparco - Polytechnic University of Bari
B. Lott - Laboratoire de Physique des deux infinis Bordeaux
M. N. Lovellette
P. Lubrano - University of Perugia
M. N. Mazziotta
J. E. Mcenery
C. Meegan - Universities Space Research Association
J. Mehault - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
P. F. Michelson
W. Mitthumsiri - Kavli Institute for Particle Astrophysics and Cosmology
C. Monte - Polytechnic University of Bari
M. E. Monzani
A. Morselli - Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
I. V. Moskalenko
S. Murgia - Kavli Institute for Particle Astrophysics and Cosmology
R. Murphy - United States Naval Research Laboratory
M. Naumann-Godo - CEA Paris-Saclay
E. Nuss - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
T. Nymark - AlbaNova
M. Ohno - Institute of Space and Astronautical Science
T. Ohsugi - Hiroshima University
A. Okumura - Institute of Space and Astronautical Science
N. Omodei - Kavli Institute for Particle Astrophysics and Cosmology
E. Orlando - Kavli Institute for Particle Astrophysics and Cosmology
W. S. Paciesas
J. H. Panetta
D. Parent - George Mason University
M. Pesce-Rollins - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
V. Petrosian - Stanford University
M. Pierbattista - Astrophysique, Instrumentation et Modélisation
F. Piron - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
G. Pivato - University of Padua
H. Poon - University of Padua
T.A. Porter - Kavli Institute for Particle Astrophysics and Cosmology
R. Preece - University of Alabama in Huntsville
S. Rainò - Polytechnic University of Bari
R. Rando - University of Padua
M. Razzano - University of California, Santa Cruz
S. Razzaque - George Mason University
A. Reimer - Universität Innsbruck
O. Reimer - Universität Innsbruck
S. Ritz - University of California, Santa Cruz
C. Sbarra - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
R.A. Schwartz - Goddard Space Flight Center
C. Sgrò - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
G. H. Share
E. J. Siskind
P. Spinelli - Polytechnic University of Bari
H. Takahashi - Hiroshima University
T. Tanaka - Stanford University
Y. Tanaka - Institute of Space and Astronautical Science
J. B. Thayer
L. Tibaldo - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
M. Tinivella - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
A. K. Tolbert
G. Tosti - University of Perugia
E. Troja - Goddard Space Flight Center
Y. Uchiyama - SLAC National Accelerator Laboratory
T. L. Usher
J. Vandenbroucke - Kavli Institute for Particle Astrophysics and Cosmology
V. Vasileiou - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
G. Vianello - Consorzio Interuniversitario Fisica Spaziale
V. Vitale - University of Rome Tor Vergata
A. von Kienlin - Max Planck Institute for Extraterrestrial Physics
A. P. Waite
C. Wilson-Hodge - Marshall Space Flight Center
D. L. Wood
K. S. Wood
Z. Yang - Stockholm University
Publication Details: The Astrophysical Journal, Vol.745
Identifiers: 9936397809311
Academic Unit: Laboratoire Univers et Particules de Montpellier - LUPM
Language: English
Resource Type: Journal article
Local Fields: in2p3-00684631