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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Bright active galactic nuclei source list from the first three months of the Fermi large area telescope all-sky survey
Astrophysical Journal, Volume 700, No. 1, Year 2009
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Description
The first three months of sky-survey operation with the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope reveal 132 bright sources at |b| > 10° with test statistic greater than 100 (corresponding to about 10σ). Two methods, based on the CGRaBS, CRATES, and BZCat catalogs, indicate high-confidence associations of 106 of these sources with known active galactic nuclei (AGNs). This sample is referred to as the LAT Bright AGN Sample (LBAS). It contains two radio galaxies, namely, Centaurus A and NGC 1275, and 104 blazars consisting of 58 flat spectrum radio quasars (FSRQs), 42 BL Lac objects, and 4 blazars with unknown classification. Four new blazars were discovered on the basis of the LAT detections. Remarkably, the LBAS includes 10 high-energy-peaked BL Lacs (HBLs), sources which were previously difficult to detect in the GeV range. Another 10 lower-confidence associations are found. Only 33 of the sources, plus two at |b| < 10°, were previously detected with Energetic Gamma-Ray Experiment Telescope(EGRET), probably due to variability. The analysis of the γ-ray properties of the LBAS sources reveals that the average GeV spectra of BL Lac objects are significantly harder than the spectra of FSRQs. No significant correlation between radio and peak γ-ray fluxes is observed. Blazar log N-log S distributions and luminosity functions are constructed to investigate the evolution of the different blazar classes, with positive evolution indicated for FSRQs but none for BL Lacs. The contribution of LAT blazars to the total extragalactic γ-ray intensity is estimated. © 2009. The American Astronomical Society.
Authors & Co-Authors
Abdo, Aous A.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Ackermann, Markus
United States, Palo Alto
Stanford University
Ajello, Marco
United States, Palo Alto
Stanford University
Atwood, W. B.
Sweden, Stockholm
Oskar Klein Centre
Sweden, Stockholm
Stockholms Universitet
Axelsson, Magnus
Sweden, Stockholm
Oskar Klein Centre
Sweden, Stockholm
Stockholms Universitet
Baldini, Luca
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione 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
Bechtol, Keith C.
United States, Palo Alto
Stanford University
Bellazzini, Ronaldo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Blandford, Rogerd D.
United States, Palo Alto
Stanford University
Bloom, Elliott D.
United States, Palo Alto
Stanford University
Bonamente, Emanuele
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Perugia
Università Degli Studi Di Perugia
Borgland, Anders W.
United States, Palo Alto
Stanford University
Bouvier, Aurelien
United States, Palo Alto
Stanford University
Bregeon, Johan
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Brigida, Monica
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Bruel, Philippe V.
France, Palaiseau
Laboratoire Leprince-ringuet
Burnett, Thompson H.
United States, Seattle
University of Washington
Caliandro, Giuseppe Andrea
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Cameron, Robert A.
United States, Palo Alto
Stanford University
Caraveo, Patrizia A.
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
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, Washington, D.c.
U.s. Naval Research Laboratory
United States, Fairfax
George Mason University
Chen, Andrew W.
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Cheung, Chi C.Teddy
United States, Greenbelt
Nasa Goddard Space Flight Center
Chiang, James
United States, Palo Alto
Stanford University
Ciprini, Stefano
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Perugia
Università Degli Studi Di Perugia
Claus, Richard
United States, Palo Alto
Stanford University
Cohen-Tanugi, Johann
France, Montpellier
Université de Montpellier
Colafrancesco, Sergio
Italy, Rome
Agenzia Spaziale Italiana
Collmar, Werner
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Cominsky, Lynn R.
United States, Rohnert Park
Sonoma State University
Conrad, Jan
Sweden, Stockholm
Oskar Klein Centre
Sweden, Stockholm
The Royal Institute of Technology Kth
Sweden, Stockholm
Stockholms Universitet
Costamante, Luigi
United States, Palo Alto
Stanford University
Cutini, S.
Italy, Rome
Agenzia Spaziale Italiana
Dermer, Charles Dennison
United States, Washington, D.c.
U.s. Naval Research Laboratory
De Angelis, Alessandro D.
Italy, Udine
Università Degli Studi Di Udine
de Palma, Francesco
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Digel, Seth W.
United States, Palo Alto
Stanford University
do Couto E Silva, Eduardo
United States, Palo Alto
Stanford University
Drell, Persis S.
United States, Palo Alto
Stanford University
Dubois, Richard
United States, Palo Alto
Stanford University
Dumora, Denis
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Farnier, Christian
France, Montpellier
Université de Montpellier
Favuzzi, Cecilia
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Fegan, Stephen J.
France, Palaiseau
Laboratoire Leprince-ringuet
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
Foschini, Luigi
Italy, Merate
Osservatorio Astronomico Di Brera
Frailis, Marco
Italy, Udine
Università Degli Studi Di Udine
Fuhrmann, Lars
Germany, Bonn
Max Planck Institute for Radio Astronomy
Fukazawa, Yasushi
Japan, Higashihiroshima
Hiroshima University
Funk, Stefan
United States, Palo Alto
Stanford University
Fusco, Piergiorgio G.
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Gargano, Fabio
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Gasparrini, Dario
Italy, Rome
Agenzia Spaziale Italiana
Gehrels, Neil C.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Germani, Stefano
Italy, Perugia
Istituto Nazionale Di Fisica Nucleare, Sezione Di Perugia
Italy, Perugia
Università Degli Studi Di Perugia
Giebels, Berrie
France, Palaiseau
Laboratoire Leprince-ringuet
Giglietto, Nicola
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Giommi, Paolo
Italy, Rome
Agenzia Spaziale Italiana
Giordano, Francesco
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione 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
Grondin, Marie Hélène
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Grove, J. Eric
United States, Washington, D.c.
U.s. Naval Research Laboratory
Guillemot, Lucas
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Guiriec, Sylvain
United States, Huntsville
The University of Alabama in Huntsville
Harding, Alice K.
United States, Greenbelt
Nasa Goddard Space Flight Center
Hartman, Robert C.
United States, Greenbelt
Nasa Goddard Space Flight Center
Hayashida, Masaaki
United States, Palo Alto
Stanford University
Hays, Elizabeth A.
United States, Greenbelt
Nasa Goddard Space Flight Center
Horan, Deirdre
France, Palaiseau
Laboratoire Leprince-ringuet
Hughes, Richard E.
United States, Columbus
The Ohio State University
Jóhannesson, Gudlaugur
United States, Palo Alto
Stanford University
Johnson, Anthony S.
United States, Palo Alto
Stanford University
Johnson, Robert P.
United States, Santa Cruz
University of California, Santa Cruz
Johnson, Tyrel J.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Johnson, William Neil
United States, Washington, D.c.
U.s. Naval Research Laboratory
Kadler, Matthias L.
Germany, Bamberg
Dr. Remeis-sternwarte Bamberg
United States, Greenbelt
Nasa Goddard Space Flight Center
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
United States, Columbia
Universities Space Research Association
Kamae, Tsuneyoshi
United States, Palo Alto
Stanford University
Katagiri, Hideaki
Japan, Higashihiroshima
Hiroshima University
Kataoka, Jun
Japan, Tokyo
Waseda University
Kerr, Matthew T.
United States, Seattle
University of Washington
Kn̈odlseder, Jürgen
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Kuss, Michael W.
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Lande, Joshua
United States, Palo Alto
Stanford University
Latronico, Luca
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Lemoine-Goumard, Marianne
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Longo, Francesco
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Università Degli Studi Di Trieste
Loparco, Francesco
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Lott, Benoît
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
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
Mazziotta, Mario Nicola
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
McConville, William F.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
McEnery, Julie E.
United States, Greenbelt
Nasa Goddard Space Flight Center
Michelson, Peter F.
United States, Palo Alto
Stanford University
Mitthumsiri, Warit
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
Moretti, Elena
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Italy, Trieste
Università Degli Studi Di Trieste
Morselli, Aldo
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Moskalenko, Igor V.
United States, Palo Alto
Stanford University
Murgia, Simona
United States, Palo Alto
Stanford University
Nolan, Patrick L.
United States, Palo Alto
Stanford University
Nuss, Eric
France, Montpellier
Université de Montpellier
Ohsugi, Takashi
Japan, Higashihiroshima
Hiroshima University
Omodei, Nicola
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Orlando, E.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Ormes, Jonathan F.
United States, Denver
University of Denver
Paneque, David
United States, Palo Alto
Stanford University
Parent, Damien
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Pelassa, Vèronique
France, Montpellier
Université de Montpellier
Pesce-Rollins, Melissa
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Piron, Frédéric
France, Montpellier
Université de Montpellier
Porter, Troy A.
United States, Santa Cruz
University of California, Santa Cruz
Rainó, Silvia
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione 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
United States, Washington, D.c.
U.s. Naval Research Laboratory
Reimer, Anita
United States, Palo Alto
Stanford University
Reimer, Olaf
United States, Palo Alto
Stanford University
Reposeur, Thierry
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Reyes, Luis C.
United States, Chicago
The University of Chicago
Ritz, Steven
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Rochester, Leon S.
United States, Palo Alto
Stanford University
Rodríguez, Ana Y.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Romani, Roger W.R.
United States, Palo Alto
Stanford University
Sadrozinski, Hartmut F.W.
United States, Santa Cruz
University of California, Santa Cruz
Sánchez, David A.
France, Palaiseau
Laboratoire Leprince-ringuet
Saz-Parkinson, Pablo M.
United States, Santa Cruz
University of California, Santa Cruz
Scargle, Jefferey D.
United States, Moffett Field
Nasa Ames Research Center
Schalk, Terry L.
United States, Santa Cruz
University of California, Santa Cruz
Sgro', Carmelo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Smith, David A.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
Spandre, G.
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Spinelli, Paolo
Italy, Bari
Politecnico Di Bari
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Starck, Jean Luc
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Strickman, Mark S.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Suson, Daniel J.
United States, Westville
Purdue University Northwest
Tajima, Hiroyasu
United States, Palo Alto
Stanford University
Takahashi, Hiromitsu
Japan, Higashihiroshima
Hiroshima University
Takahashi, Tadayuki
Japan, Chofu
Japan Aerospace Exploration Agency
Taylor, Gregory B.
United States, Albuquerque
The University of new Mexico
Thayer, Jana B.
United States, Palo Alto
Stanford University
Thompson, David J.
United States, Greenbelt
Nasa Goddard Space Flight Center
Tibaldo, Luigi
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Italy, Padua
Università Degli Studi Di Padova
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
Tramacere, Andrea
United States, Palo Alto
Stanford University
Uchiyama, Yasunobu
United States, Palo Alto
Stanford University
Usher, Tracy L.
United States, Palo Alto
Stanford University
Vilchez, Nicolas P.E.
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Villata, Massimo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Vitale, V.
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Waite, A. P.
United States, Palo Alto
Stanford University
Wood, Kent S.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Statistics
Citations: 369
Authors: 168
Affiliations: 52
Identifiers
Doi:
10.1088/0004-637X/700/1/597
ISSN:
0004637X
Study Design
Cross Sectional Study
Study Approach
Quantitative