Fermi large area telescope observations of blazar 3C 279 occultations by the Sun

G. Barbiellini; D. Bastieri; K. Bechtol; R. Bellazzini; R.D. Blandford; A.W. Borgland; J. Bregeon; P. Bruel; R. Buehler; S. Buson; G.A. Caliandro; R.A. Cameron; P.A. Caraveo; E. Cavazzuti; C. Cecchi; R.C.G. Chaves; A. Chekhtman; C.C. Cheung; J. Chiang; S. Ciprini; R. Claus; J. Cohen-Tanugi; F. d'Ammando; A. de Angelis; C.D. Dermer; S.W. Digel; E. Couto E Silva; P.S. Drell; A. Drlica-Wagner; C. Favuzzi; W.B. Focke; A. Franckowiak; Y. Fukazawa; P. Fusco; F. Gargano; D. Gasparrini; S. Germani; N. Giglietto; P. Giommi; F. Giordano; M. Giroletti; T. Glanzman; G. Godfrey; I.A. Grenier; J.E. Grove; S. Guiriec; D. Hadasch; M. Hayashida; E. Hays; R.E. Hughes; M.S. Jackson; T. Jogler; Jürgen Knödlseder; M. Kuss; J. Lande; S. Larsson; F. Longo; F. Loparco; M.N. Lovellette; P. Lubrano; M.N. Mazziotta; J. Mehault; P.F. Michelson; T. Mizuno; A.A. Moiseev; C. Monte; M.E. Monzani; A. Morselli; I.V. Moskalenko; S. Murgia; R. Nemmen; E. Nuss; T. Ohsugi; N. Omodei; M. Orienti; E. Orlando; D. Paneque; J.S. Perkins; F. Piron; G. Pivato; D. Prokhorov; S. Rainò; M. Razzano; S. Razzaque; A. Reimer; O. Reimer; S. Ritz; C. Romoli; M. Sánchez-Conde; D.A. Sanchez; C. Sgrò; E.J. Siskind; G. Spandre; P. Spinelli; H. Takahashi; T. Tanaka; L. Tibaldo; M. Tinivella; G. Tosti; E. Troja; T.L. Usher; J. Vandenbroucke; V. Vasileiou; G. Vianello; V. Vitale; A.P. Waite; B.L. Winer; K.S. Wood; Z. Yang

doi:10.1088/0004-637X/784/2/118

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Fermi large area telescope observations of blazar 3C 279 occultations by the Sun

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Fermi large area telescope observations of blazar 3C 279 occultations by the Sun

G. Barbiellini, D. Bastieri, K. Bechtol, R. Bellazzini, R.D. Blandford, A.W. Borgland, J. Bregeon, P. Bruel, R. Buehler, S. Buson, …

The Astrophysical Journal, Vol.784(2)

2014

DOI: https://doi.org/10.1088/0004-637X/784/2/118

Abstract

Observations of occultations of bright γ-ray sources by the Sun may reveal predicted pair halos around blazars and/or new physics, such as, e.g., hypothetical light dark matter particles—axions. We useFermi Gamma-Ray Space Telescope(Fermi) data to analyze four occultations of blazar 3C 279 by the Sun on October 8 each year from 2008 to 2011. A combined analysis of the observations of these occultations allows a point-like source at the position of 3C 279 to be detected with significance of ≈3σ, but does not reveal any significant excess over the flux expected from the quiescent Sun. The likelihood ratio test rules out complete transparency of the Sun to the blazar γ-ray emission at a 3σ confidence level.

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Title: Fermi large area telescope observations of blazar 3C 279 occultations by the Sun
Creators - without role: G. 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
R.D. Blandford - Kavli Institute for Particle Astrophysics and Cosmology
A.W. Borgland - Stanford University
J. Bregeon - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
P. Bruel - École Polytechnique
R. Buehler - Stanford University
S. Buson - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
G.A. Caliandro - Institute of Space Sciences
R.A. Cameron - Stanford University
P.A. Caraveo - Istituto di Astrofisica Spaziale e Fisica Cosmica di Milano
E. Cavazzuti - Agenzia Spaziale Italiana
C. Cecchi - University of Perugia
R.C.G. Chaves - Institut de Recherche sur les Lois Fondamentales de l'Univers
A. Chekhtman - George Mason University
C.C. Cheung - National Academy of Sciences
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 - Laboratoire Univers et Particules de Montpellier
F. d'Ammando
A. de Angelis - Istituto Nazionale di Fisica Nucleare, Sezione di Trieste
C.D. Dermer - United States Naval Research Laboratory
S.W. Digel - Kavli Institute for Particle Astrophysics and Cosmology
E. Couto E Silva
P.S. Drell - Kavli Institute for Particle Astrophysics and Cosmology
A. Drlica-Wagner - Kavli Institute for Particle Astrophysics and Cosmology
C. Favuzzi - Polytechnic University of Bari
W.B. Focke - Stanford University
A. Franckowiak - SLAC National Accelerator Laboratory
Y. Fukazawa - Hiroshima University
P. Fusco - Polytechnic University of Bari
F. Gargano - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
D. Gasparrini - Agenzia Spaziale Italiana
S. Germani - University of Perugia
N. Giglietto - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
P. Giommi - Agenzia Spaziale Italiana
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
I.A. Grenier - CEA Paris-Saclay
J.E. Grove - United States Naval Research Laboratory
S. Guiriec - Goddard Space Flight Center
D. Hadasch - Institute of Space Sciences
M. Hayashida - Kavli Institute for Particle Astrophysics and Cosmology
E. Hays - Goddard Space Flight Center
R.E. Hughes - The Ohio State University
M.S. Jackson - Fraunhofer Chalmers Research Centre for Industrial Mathematics
T. Jogler - Stanford University
Jürgen Knödlseder - Institut de Recherche en Astrophysique et Planétologie
M. Kuss - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
J. Lande - Kavli Institute for Particle Astrophysics and Cosmology
S. Larsson - Stockholm University
F. Longo - University of Trieste
F. Loparco - Polytechnic University of Bari
M.N. Lovellette - United States Naval Research Laboratory
P. Lubrano - University of Perugia
M.N. Mazziotta - Istituto Nazionale di Fisica Nucleare, Sezione di Bari
J. Mehault
P.F. Michelson - Kavli Institute for Particle Astrophysics and Cosmology
T. Mizuno - Hiroshima University
A.A. Moiseev - University of Maryland, College Park
C. Monte - Polytechnic University of Bari
M.E. Monzani - Kavli Institute for Particle Astrophysics and Cosmology
A. Morselli - Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
I.V. Moskalenko - Stanford University
S. Murgia - SLAC National Accelerator Laboratory
R. Nemmen - Goddard Space Flight Center
E. Nuss - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
T. Ohsugi - Hiroshima University
N. Omodei - Kavli Institute for Particle Astrophysics and Cosmology
M. Orienti - Istituto di Radioastronomia di Bologna
E. Orlando - Kavli Institute for Particle Astrophysics and Cosmology
D. Paneque - Max Planck Institute for Physics
J.S. Perkins - Center for Astrophysics Harvard & Smithsonian
F. Piron - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
G. Pivato - University of Padua
D. Prokhorov
S. Rainò - Polytechnic University of Bari
M. Razzano - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
S. Razzaque - George Mason University
A. Reimer - Universität Innsbruck
O. Reimer - Universität Innsbruck
S. Ritz - University of California, Santa Cruz
C. Romoli - University of Padua
M. Sánchez-Conde - Kavli Institute for Particle Astrophysics and Cosmology
D.A. Sanchez - Max Planck Institute for Nuclear Physics
C. Sgrò - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
E.J. Siskind - Real Time Tomography
G. Spandre - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
P. Spinelli - Polytechnic University of Bari
H. Takahashi - Hiroshima University
T. Tanaka - Kavli Institute for Particle Astrophysics and Cosmology
L. Tibaldo - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
M. Tinivella - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
G. Tosti - University of Perugia
E. Troja - Goddard Space Flight Center
T.L. Usher - Kavli Institute for Particle Astrophysics and Cosmology
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 - Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
A.P. Waite - Kavli Institute for Particle Astrophysics and Cosmology
B.L. Winer - The Ohio State University
K.S. Wood - United States Naval Research Laboratory
Z. Yang - Institut de Recherche en Astrophysique et Planétologie
Publication Details: The Astrophysical Journal, Vol.784(2)
Identifiers: 9940398009311
Academic Unit: Laboratoire Univers et Particules de Montpellier - LUPM
Language: English
Resource Type: Journal article
Local Fields: hal-02017415