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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/42455
Title: 3FHL: The Third Catalog of Hard Fermi-LAT Sources
Authors: M. Ajello
W. B. Atwood
L. Baldini
J. Ballet
G. Barbiellini
D. Bastieri
R. Bellazzini
E. Bissaldi
R. D. Blandford
E. D. Bloom
R. Bonino
J. Bregeon
R. J. Britto
P. Bruel
R. Buehler
S. Buson
R. A. Cameron
R. Caputo
M. Caragiulo
P. A. Caraveo
E. Cavazzuti
C. Cecchi
E. Charles
A. Chekhtman
C. C. Cheung
G. Chiaro
S. Ciprini
J. M. Cohen
D. Costantin
F. Costanza
A. Cuoco
S. Cutini
F. D'Ammando
F. De Palma
R. Desiante
S. W. Digel
N. Di Lalla
M. Di Mauro
L. Di Venere
A. Domnguez
P. S. Drell
D. Dumora
C. Favuzzi
S. J. Fegan
E. C. Ferrara
P. Fortin
A. Franckowiak
Y. Fukazawa
S. Funk
P. Fusco
F. Gargano
D. Gasparrini
N. Giglietto
P. Giommi
F. Giordano
M. Giroletti
T. Glanzman
D. Green
I. A. Grenier
M. H. Grondin
J. E. Grove
L. Guillemot
S. Guiriec
A. K. Harding
E. Hays
J. W. Hewitt
D. Horan
G. Jóhannesson
S. Kensei
M. Kuss
G. La Mura
S. Larsson
L. Latronico
M. Lemoine-Goumard
J. Li
F. Longo
Clemson University
Santa Cruz Institute for Particle Physics
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
Università degli Studi di Bari
Kavli Institute for Particle Astrophysics and Cosmology
Università degli Studi di Torino
Laboratoire Univers et Particules de Montpellier
University of the Free State
Laboratoire Leprince-Ringuet
Deutsche Elektronen-Synchrotron
NASA Goddard Space Flight Center
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
Rheinisch-Westfälische Technische Hochschule Aachen
Istituto Di Radioastronomia, Bologna
Alma Mater Studiorum Università di Bologna
Università degli Studi di Napoli Federico II
Università degli Studi di Udine
Universidad Complutense de Madrid
IN2P3 Institut National de Physique Nucleaire et de Physique des Particules
Harvard-Smithsonian Center for Astrophysics
Hiroshima University
Erlangen Centre for Astroparticle Physics
Universite d'Orleans
Institut National des Sciences de l'Univers
University of North Florida
University Science Institute Reykjavik
Nordisk Institut for Teoretisk Atomtysik
The Royal Institute of Technology (KTH)
Oskar Klein Centre for Cosmoparticle Physics
Universitat Autònoma de Barcelona
Stockholms universitet
Mahidol University
Keywords: Earth and Planetary Sciences
Issue Date: 1-Oct-2017
Citation: Astrophysical Journal, Supplement Series. Vol.232, No.2 (2017)
Abstract: © 2017. The American Astronomical Society. All rights reserved.. We present a catalog of sources detected above 10 GeV by the Fermi Large Area Telescope (LAT) in the first 7 years of data using the Pass 8 event-level analysis. This is the Third Catalog of Hard Fermi-LAT Sources (3FHL), containing 1556 objects characterized in the 10 GeV-2 TeV energy range. The sensitivity and angular resolution are improved by factors of 3 and 2 relative to the previous LAT catalog at the same energies (1FHL). The vast majority of detected sources (79%) are associated with extragalactic counterparts at other wavelengths, including 16 sources located at very high redshift (z > 2). Of the sources, 8% have Galactic counterparts and 13% are unassociated (or associated with a source of unknown nature). The high-latitude sky and the Galactic plane are observed with a flux sensitivity of 4.4 to 9.5 ×10-11 ph cm-2 s-1, respectively (this is approximately 0.5% and 1% of the Crab Nebula flux above 10 GeV). The catalog includes 214 new γ-ray sources. The substantial increase in the number of photons (more than 4 times relative to 1FHL and 10 times to 2FHL) also allows us to measure significant spectral curvature for 32 sources and find flux variability for 163 of them. Furthermore, we estimate that for the same flux limit of 10-12 erg cm-2 s-1, the energy range above 10 GeV has twice as many sources as the range above 50 GeV, highlighting the importance, for future Cherenkov telescopes, of lowering the energy threshold as much as possible.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85032822161&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/42455
ISSN: 00670049
Appears in Collections:Scopus 2016-2017

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