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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE
Astrophysical Journal, Volume 810, No. 1, Article 14, Year 2015
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Description
The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between 100 MeV and 300 GeV with a Test Statistic greater than 25, between 2008 August 4 and 2012 July 31. The 3LAC includes 1591 AGNs located at high Galactic latitudes (), a 71% increase over the second catalog based on 2 years of data. There are 28 duplicate associations, thus 1563 of the 2192 high-latitude gamma-ray sources of the 3FGL catalog are AGNs. Most of them (98%) are blazars. About half of the newly detected blazars are of unknown type, i.e., they lack spectroscopic information of sufficient quality to determine the strength of their emission lines. Based on their gamma-ray spectral properties, these sources are evenly split between flat-spectrum radio quasars (FSRQs) and BL Lacs. The most abundant detected BL Lacs are of the high-synchrotron-peaked (HSP) type. About 50% of the BL Lacs have no measured redshifts. A few new rare outliers (HSP-FSRQs and high-luminosity HSP BL Lacs) are reported. The general properties of the 3LAC sample confirm previous findings from earlier catalogs. The fraction of 3LAC blazars in the total population of blazars listed in BZCAT remains non-negligible even at the faint ends of the BZCAT-blazar radio, optical, and X-ray flux distributions, which hints that even the faintest known blazars could eventually shine in gamma-rays at LAT-detection levels. The energy-flux distributions of the different blazar populations are in good agreement with extrapolation from earlier catalogs. © 2015. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Ackermann, Markus
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Ajello, Marco
United States, Clemson
Clemson University
Atwood, W. B.
United States, Santa Cruz
University of California, Santa Cruz
Baldini, Luca
Italy, Pisa
Università Di Pisa
Ballet, Jean
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Barbiellini, Guido
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Università Degli Studi Di Trieste
Bastieri, D.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Italy, Padua
Università Degli Studi Di Padova
Becerra González, Josefa
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Bellazzini, Ronaldo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Bissaldi, Elisabetta
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Blandford, Rogerd D.
United States, Palo Alto
Stanford University
Bloom, Elliott D.
United States, Palo Alto
Stanford University
Bonino, Raffaella
Italy, Turin
Istituto Nazionale Di Fisica Nucleare, Sezione Di Torino
Italy, Turin
Università Degli Studi Di Torino
Bottacini, Eugenio
United States, Palo Alto
Stanford University
Brandt, Theresa J.
United States, Greenbelt
Nasa Goddard Space Flight Center
Bregeon, Johan
France, Montpellier
Université de Montpellier
Britto, Richard J.G.
South Africa, Johannesburg
University of Johannesburg
Bruel, Philippe V.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Buehler, Rolf
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Buson, Sara
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Italy, Padua
Università Degli Studi Di Padova
Caliandro, Giuseppe Andrea
United States, Palo Alto
Stanford University
Italy, Torino
Consorzio Interuniversitario Per la Fisica Spaziale Cifs
Cameron, Robert A.
United States, Palo Alto
Stanford University
Caragiulo, Micaela
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Caraveo, Patrizia A.
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Carpenter, Bryce D.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, Washington, D.c.
The Catholic University of America
Casandjian, Jean Marc
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Cavazzuti, Elisabetta
Italy, Rome
Agenzia Spaziale Italiana
Cecchi, Claudia
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Perugia
Università Degli Studi Di Perugia
Charles, Eric
United States, Palo Alto
Stanford University
Chekhtman, Alexandre
United States, Fairfax
George Mason University
United States, Washington, D.c.
U.s. Naval Research Laboratory
Cheung, Chi C.Teddy
United States, Washington, D.c.
U.s. Naval Research Laboratory
Chiang, James
United States, Palo Alto
Stanford University
Chiaro, Graziano
Italy, Padua
Università Degli Studi Di Padova
Ciprini, Stefano
Italy, Rome
Agenzia Spaziale Italiana
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Claus, Richard
United States, Palo Alto
Stanford University
Cohen-Tanugi, Johann
France, Montpellier
Université de Montpellier
Cominsky, Lynn R.
United States, Rohnert Park
Sonoma State University
Conrad, Jan
Sweden, Stockholm
Stockholms Universitet
Sweden, Stockholm
Oskar Klein Centre
Sweden, Stockholm
Kungl. Vetenskapsakademien
Cutini, S.
Italy, Rome
Agenzia Spaziale Italiana
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
D'Abrusco, Raffaele
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
D'Ammando, Filippo
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
De Angelis, Alessandro D.
Italy, Udine
Università Degli Studi Di Udine
Desiante, Rachele
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Udine
Università Degli Studi Di Udine
Digel, Seth W.
United States, Palo Alto
Stanford University
Di Venere, Leonardo
Italy, Bari
Politecnico Di Bari
Drell, Persis S.
United States, Palo Alto
Stanford University
Favuzzi, Cecilia
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Fegan, Stephen J.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Ferrara, Elizabeth C.
United States, Greenbelt
Nasa Goddard Space Flight Center
Finke, Justin D.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Focke, Warren B.
United States, Palo Alto
Stanford University
Franckowiak, Anna
United States, Palo Alto
Stanford University
Fuhrmann, Lars
Germany, Bonn
Max Planck Institute for Radio Astronomy
Fukazawa, Yasushi
Japan, Higashihiroshima
Hiroshima University
Furniss, Amy K.
United States, Palo Alto
Stanford University
Fusco, Piergiorgio G.
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Gargano, Fabio
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Gasparrini, Dario
Italy, Rome
Agenzia Spaziale Italiana
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Giglietto, Nicola
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Giommi, Paolo
Italy, Rome
Agenzia Spaziale Italiana
Giordano, Francesco
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Giroletti, Marcello
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Glanzman, Thomas
United States, Palo Alto
Stanford University
Godfrey, Gary L.
United States, Palo Alto
Stanford University
Grenier, Isabelle A.
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Grove, J. Eric
United States, Washington, D.c.
U.s. Naval Research Laboratory
Guiriec, Sylvain
United States, Clemson
Clemson University
United States, Greenbelt
Nasa Goddard Space Flight Center
Hewitt, John W.
United States, Baltimore
University of Maryland, Baltimore County Umbc
United States, Greenbelt
Nasa Goddard Space Flight Center
Hill, Adam B.
United States, Palo Alto
Stanford University
United Kingdom, Southampton
University of Southampton
Horan, Deirdre
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Itoh, Ryosuke
Japan, Higashihiroshima
Hiroshima University
Jóhannesson, Gudlaugur
Iceland, Reykjavik
Haskoli Islands
Johnson, Anthony S.
United States, Palo Alto
Stanford University
Johnson, William Neil
United States, Washington, D.c.
U.s. Naval Research Laboratory
Kataoka, Jun
Japan, Tokyo
Waseda University
Kawano, Takafumi
Japan, Higashihiroshima
Hiroshima University
Krauß, Felicia
Germany, Bamberg
Dr. Remeis-sternwarte Bamberg
Kuss, Michael W.
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
La Mura, Giovanni
Italy, Padua
Università Degli Studi Di Padova
Austria, Innsbruck
Universität Innsbruck
Larsson, Stefan
Sweden, Stockholm
Stockholms Universitet
Sweden, Stockholm
Oskar Klein Centre
Latronico, Luca
Italy, Turin
Istituto Nazionale Di Fisica Nucleare, Sezione Di Torino
Leto, Cristina
Italy, Frascati
Asi Science Data Center
Li, Jian
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Li, L. X.
Sweden, Stockholm
Oskar Klein Centre
Sweden, Stockholm
The Royal Institute of Technology Kth
Longo, Francesco
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Università Degli Studi Di Trieste
Loparco, Francesco
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Lott, Benoît
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lovellette, Michael N.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Lubrano, Pasquale
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Perugia
Università Degli Studi Di Perugia
Madejski, Grzegorz M.
United States, Palo Alto
Stanford University
Mayer, Michael
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Mazziotta, Mario Nicola
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
McEnery, Julie E.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Michelson, Peter F.
United States, Palo Alto
Stanford University
Mizuno, Tsunefumi
Japan, Higashihiroshima
Hiroshima University
Moiseev, A. V.
United States, College Park
University of Maryland, College Park
United States, Greenbelt
Nasa Goddard Space Flight Center
Monzani, Maria Elena
United States, Palo Alto
Stanford University
Morselli, Aldo
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Moskalenko, Igor V.
United States, Palo Alto
Stanford University
Murgia, Simona
United States, Irvine
University of California, Irvine
Nuss, Eric
France, Montpellier
Université de Montpellier
Ohno, Masatoshi
Japan, Higashihiroshima
Hiroshima University
Ohsugi, Takashi
Japan, Higashihiroshima
Hiroshima University
Ojha, Roopesh
United States, Greenbelt
Nasa Goddard Space Flight Center
Omodei, Nicola
United States, Palo Alto
Stanford University
Orienti, Monica
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Orlando, E.
United States, Palo Alto
Stanford University
Paggi, Alessandro
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Paneque, David
United States, Palo Alto
Stanford University
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Perkins, Jeremy S.
United States, Greenbelt
Nasa Goddard Space Flight Center
Pesce-Rollins, Melissa
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Piron, Frédéric
France, Montpellier
Université de Montpellier
Pivato, Giovanna
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Porter, Troy A.
United States, Palo Alto
Stanford University
Rainó, Silvia
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Rando, Riccardo
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Italy, Padua
Università Degli Studi Di Padova
Razzano, Massimiliano
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Razzaque, Soebur
South Africa, Johannesburg
University of Johannesburg
Reimer, Anita
United States, Palo Alto
Stanford University
Austria, Innsbruck
Universität Innsbruck
Reimer, Olaf
United States, Palo Alto
Stanford University
Austria, Innsbruck
Universität Innsbruck
Romani, Roger W.R.
United States, Palo Alto
Stanford University
Salvetti, David
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Schinzel, Frank K.
United States, Albuquerque
The University of new Mexico
Sgro', Carmelo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Siskind, Eric J.
United States, Rocky Point
Nycb Realtime Computing Inc.
Sokolovsky, Kirill V.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Russian Federation, Moscow
P.n. Lebedev Physical Institute of the Russian Academy of Sciences
Spada, Francesca R.
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Spandre, G.
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Spinelli, Paolo
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Bari
Politecnico Di Bari
Stawarz, Łukasz
Japan, Chofu
Japan Aerospace Exploration Agency
Poland, Krakow
Uniwersytet Jagielloński
Suson, Daniel J.
United States, Westville
Purdue University Northwest
Takahashi, Hiromitsu
Japan, Higashihiroshima
Hiroshima University
Takahashi, Tadayuki
Japan, Chofu
Japan Aerospace Exploration Agency
Tanaka, Yasuyuki T.
Japan, Higashihiroshima
Hiroshima University
Thayer, Jana B.
United States, Palo Alto
Stanford University
Tibaldo, Luigi
United States, Palo Alto
Stanford University
Torres, Diego F.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Spain, Barcelona
Institució Catalana de Recerca I Estudis Avançats
Tosti, Gino
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Perugia
Università Degli Studi Di Perugia
Troja, Eleonora
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Uchiyama, Yasunobu
Unknown Affiliation
Vianello, Giacomo
United States, Palo Alto
Stanford University
Wood, Kent S.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Zimmer, Stephan
Sweden, Stockholm
Stockholms Universitet
Sweden, Stockholm
Oskar Klein Centre
Statistics
Citations: 490
Authors: 143
Affiliations: 61
Identifiers
Doi:
10.1088/0004-637X/810/1/14
ISSN:
0004637X
Research Areas
Environmental
Study Design
Cross Sectional Study