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Title: Search for Extended Sources in the Galactic Plane Using Six Years of Fermi-Large Area Telescope Pass 8 Data above 10 GeV
Authors: M. Ackermann
M. Ajello
L. Baldini
J. Ballet
G. Barbiellini
D. Bastieri
R. Bellazzini
E. Bissaldi
E. D. Bloom
R. Bonino
E. Bottacini
T. J. Brandt
J. Bregeon
P. Bruel
R. Buehler
R. A. Cameron
M. Caragiulo
P. A. Caraveo
D. Castro
E. Cavazzuti
C. Cecchi
E. Charles
A. Chekhtman
C. C. Cheung
G. Chiaro
S. Ciprini
J. M. Cohen
D. Costantin
F. Costanza
S. Cutini
F. D'Ammando
F. De Palma
R. Desiante
S. W. Digel
N. Di Lalla
M. Di Mauro
L. Di Venere
C. Favuzzi
S. J. Fegan
E. C. Ferrara
A. Franckowiak
Y. Fukazawa
S. Funk
P. Fusco
F. Gargano
D. Gasparrini
N. Giglietto
F. Giordano
M. Giroletti
D. Green
I. A. Grenier
M. H. Grondin
L. Guillemot
S. Guiriec
A. K. Harding
E. Hays
J. W. Hewitt
D. Horan
X. Hou
G. Jóhannesson
T. Kamae
M. Kuss
G. La Mura
S. Larsson
M. Lemoine-Goumard
J. Li
F. Longo
F. Loparco
P. Lubrano
J. D. Magill
S. Maldera
D. Malyshev
A. Manfreda
M. N. Mazziotta
P. F. Michelson
Deutsche Elektronen-Synchrotron
Clemson University
Università di Pisa
Universite Paris 7- Denis Diderot
Istituto Nazionale di Fisica Nucleare, Roma
Università degli Studi di Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione di Padova
Università degli Studi di Padova
Istituto Nazionale Di Fisica Nucleare, Sezione di Pisa
Kavli Institute for Particle Astrophysics and Cosmology
Università degli Studi di Torino
NASA Goddard Space Flight Center
Laboratoire Univers et Particules de Montpellier
Laboratoire Leprince-Ringuet
Università degli Studi di Bari
INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Milan
Agenzia Spaziale Italiana
Università degli Studi di Perugia
George Mason University, Fairfax Campus
Naval Research Laboratory
University of Maryland
Istituto Di Radioastronomia, Bologna
Alma Mater Studiorum Università di Bologna
Università degli Studi di Napoli Federico II
Università degli Studi di Udine
Hiroshima University
Erlangen Centre for Astroparticle Physics
IN2P3 Institut National de Physique Nucleaire et de Physique des Particules
Universite d'Orleans
Institut National des Sciences de l'Univers
University of North Florida
Chinese Academy of Sciences
University Science Institute Reykjavik
Nordisk Institut for Teoretisk Atomtysik
University of Tokyo
The Royal Institute of Technology (KTH)
Oskar Klein Centre for Cosmoparticle Physics
Universitat Autònoma de Barcelona
Mahidol University
University of Denver
Max Planck Institut für Physik (Werner-Heisenberg-Institut)
Osservatorio Astronomico di Trieste
University of Johannesburg
Keywords: Earth and Planetary Sciences
Issue Date: 10-Jul-2017
Citation: Astrophysical Journal. Vol.843, No.2 (2017)
Abstract: © 2017. The American Astronomical Society. All rights reserved.. The spatial extension of a γ-ray source is an essential ingredient to determine its spectral properties, as well as its potential multiwavelength counterpart. The capability to spatially resolve γ-ray sources is greatly improved by the newly delivered Fermi-Large Area Telescope (LAT) Pass 8 event-level analysis, which provides a greater acceptance and an improved point-spread function, two crucial factors for the detection of extended sources. Here, we present a complete search for extended sources located within 7° from the Galactic plane, using 6 yr of Fermi-LAT data above 10 GeV. We find 46 extended sources and provide their morphological and spectral characteristics. This constitutes the first catalog of hard Fermi-LAT extended sources, named the Fermi Galactic Extended Source Catalog, which allows a thorough study of the properties of the Galactic plane in the sub-TeV domain.
ISSN: 15384357
Appears in Collections:Scopus 2016-2017

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