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FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG

The Astrophysical Journal Supplement Series · 2010 · Vol. 188(2) · pp. 405–436

A. A. Abdo✉(National Academy of Sciences)M. Ackermann(Stanford University)M. Ajello(Stanford University)A. Allafort(SLAC National Accelerator Laboratory)E. Antolini(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)W. B. Atwood(University of California, Santa Cruz)M. Axelsson(Stockholm University)L. Baldini(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)J. Ballet(Centre National de la Recherche Scientifique)G. Barbiellini(Istituto Nazionale di Fisica Nucleare, Sezione di Trieste)D. Bastieri(University of Padua)B. M. Baughman(The Ohio State University)K. Bechtol(SLAC National Accelerator Laboratory)R. Bellazzini(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)F. Belli(Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata)B. Berenji(SLAC National Accelerator Laboratory)D. Bisello(University of Padua)R. D. Blandford(Stanford University)E. D. Bloom(Kavli Institute for Particle Astrophysics and Cosmology)E. Bonamente(University of Perugia)J. T. Bonnell(University of Maryland, College Park)A. W. Borgland(Stanford University)A. Bouvier(Kavli Institute for Particle Astrophysics and Cosmology)J. Bregeon(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)A. Brez(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)M. Brigida(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)Pascal Bruel(Laboratoire Leprince-Ringuet)T. H. Burnett(University of Washington)G. Busetto(Istituto Nazionale di Fisica Nucleare, Sezione di Padova)S. Buson(Istituto Nazionale di Fisica Nucleare, Sezione di Padova)G. A. Caliandro(Institute of Space Sciences)R. A. Cameron(Stanford University)R. CampanaBeatriz Cañadas(University of Rome Tor Vergata)P. A. Caraveo(Istituto di Astrofisica Spaziale e Fisica Cosmica di Milano)S. Carrigan(University of Padua)J. M. Casandjian(Commissariat à l'Énergie Atomique et aux Énergies Alternatives)E. Cavazzuti(Agenzia Spaziale Italiana)M. Ceccanti(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)C. Cecchi(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)Ö. Çelik(University of Maryland, Baltimore County)E. Charles(Kavli Institute for Particle Astrophysics and Cosmology)A. Chekhtman(George Mason University)C. C. Cheung(National Academies of Sciences, Engineering, and Medicine)J. Chiang(Kavli Institute for Particle Astrophysics and Cosmology)A. Cillis(Goddard Space Flight Center)S. Ciprini(University of Perugia)R. Claus(SLAC National Accelerator Laboratory)J. Cohen-Tanugi(Laboratoire de Physique Théorique)J. M. Conrad(Fraunhofer Chalmers Research Centre for Industrial Mathematics)R. Corbet(Goddard Space Flight Center)David Davis(Goddard Space Flight Center)M. DeKlotz(Stellar Solutions (United States))P. R. den Hartog(Stanford University)C. D. Dermer(United States Naval Research Laboratory)A. De Angelis(Istituto Nazionale di Fisica Nucleare, Sezione di Trieste)A. De Luca(Istituto Universitario di Studi Superiori di Pavia)F. de Palma(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)S. W. Digel(SLAC National Accelerator Laboratory)M. Dormody(University of California, Santa Cruz)E. do Couto e Silva(Stanford University)P. S. Drell(Kavli Institute for Particle Astrophysics and Cosmology)R. Dubois(Stanford University)D. Dumora(Université de Bordeaux)D. Fabiani(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)C. Farnier(Université de Montpellier)C. Favuzzi(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)S. Fegan(École Polytechnique)E. C. Ferrara(Goddard Space Flight Center)W. B. Focke(Stanford University)P. Fortin(Laboratoire Leprince-Ringuet)M. Frailis(Istituto Nazionale di Fisica Nucleare, Sezione di Trieste)Y. Fukazawa(Hiroshima University)S. Funk(Kavli Institute for Particle Astrophysics and Cosmology)P. Fusco(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)F. Gargano(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)D. Gasparrini(Agenzia Spaziale Italiana)N. Gehrels(Goddard Space Flight Center)S. Germani(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)G. Giavitto(Istituto Nazionale di Fisica Nucleare, Sezione di Trieste)B. Giebels(École Polytechnique)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(Kavli Institute for Particle Astrophysics and Cosmology)G. Godfrey(Kavli Institute for Particle Astrophysics and Cosmology)I. A. Grenier(Université Paris Cité)M.-H. Grondin(Centre National de la Recherche Scientifique)J. E. Grove(United States Naval Research Laboratory)L. Guillemot(Centre National de la Recherche Scientifique)S. Guiriec(University of Alabama in Huntsville)M. Gustafsson(Istituto Nazionale di Fisica Nucleare, Sezione di Padova)D. Hadasch(Institució Catalana de Recerca i Estudis Avançats)Y. Hanabata(Hiroshima University)A. K. Harding(Goddard Space Flight Center)M. Hayashida(Kavli Institute for Particle Astrophysics and Cosmology)E. Hays(Goddard Space Flight Center)S. E. Healey(SLAC National Accelerator Laboratory)A. B. Hill(Université Grenoble Alpes)D. Horan(École Polytechnique)R. E. Hughes(The Ohio State University)G. Iafrate(National Institute for Astrophysics)G. Jóhannesson(Kavli Institute for Particle Astrophysics and Cosmology)A. S. Johnson(SLAC National Accelerator Laboratory)R. P. Johnson(University of California, Santa Cruz)T. J. Johnson(University of Maryland, College Park)W. N. Johnson(United States Naval Research Laboratory)T. Kamae(Stanford University)H. Katagiri(Hiroshima University)J. Kataoka(Waseda University)N. Kawai(Tokyo Institute of Technology)M. Kerr(University of Washington)J. Knödlseder(Centre National de la Recherche Scientifique)D. Kocevski(Stanford University)M. Kuss(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)J. Landé(Stanford University)D. Landriu(Université Paris Cité)L. Latronico(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)S.-H. Lee(SLAC National Accelerator Laboratory)M. Lemoine‐Goumard(Université de Bordeaux)Andrea Lionetto(University of Rome Tor Vergata)M. Llena Garde(Fraunhofer Chalmers Research Centre for Industrial Mathematics)F. Longo(University of Trieste)F. Loparco(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)B. Lott(Centre National de la Recherche Scientifique)M. N. Lovellette(United States Naval Research Laboratory)P. Lubrano(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)G. M. Madejski(Stanford University)A. Makeev(George Mason University)B. Marangelli(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)M. Marelli(Istituto di Astrofisica Spaziale e Fisica Cosmica di Milano)E. Massaro(Sapienza University of Rome)M. N. Mazziotta(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)W. McConville(Goddard Space Flight Center)J. E. McEnery(Goddard Space Flight Center)P. F. Michelson(SLAC National Accelerator Laboratory)M. Minuti(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)W. Mitthumsiri(SLAC National Accelerator Laboratory)Tsunefumi Mizuno(Hiroshima University)A. A. Moiseev(University of Maryland, College Park)M. Mongelli(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)C. Monte(Polytechnic University of Bari)M. E. Monzani(SLAC National Accelerator Laboratory)E. Moretti(University of Trieste)A. Morselli(Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata)I. V. Moskalenko(SLAC National Accelerator Laboratory)S. Murgia(Stanford University)Hiroshi Nakajima(Tokyo Institute of Technology)Takeshi Nakamori(Waseda University)M. Naumann-Godó(Centre National de la Recherche Scientifique)P. L. Nolan(Stanford University)J. P. Norris(University of Denver)E. Nuss(Centre National de la Recherche Scientifique)M. Ohno(Institute of Space and Astronautical Science)T. Ohsugi(Hiroshima University)N. Omodei(SLAC National Accelerator Laboratory)E. Orlando(Max Planck Institute for Extraterrestrial Physics)J. F. Ormes(University of Denver)Masanori Ozaki(Institute of Space and Astronautical Science)A. Paccagnella(Istituto Nazionale di Fisica Nucleare, Sezione di Padova)D. Paneque(SLAC National Accelerator Laboratory)J. Panetta(SLAC National Accelerator Laboratory)D. Parent(United States Naval Research Laboratory)V. Pelassa(Université de Montpellier)M. Pepé(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)M. Pesce-Rollins(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)Michele Pinchera(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)F. Piron(Université de Montpellier)T. A. Porter(SLAC National Accelerator Laboratory)L. Poupard(Commissariat à l'Énergie Atomique et aux Énergies Alternatives)W. Rhode(Polytechnic University of Bari)R. Rando(Istituto Nazionale di Fisica Nucleare, Sezione di Padova)Paul S. Ray(United States Naval Research Laboratory)M. Razzano(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)S. Razzaque(National Academies of Sciences, Engineering, and Medicine)N. Rea(Institute of Space Sciences)A. Reimer(Stanford University)O. Reimer(Universität Innsbruck)T. Reposeur(Centre National de la Recherche Scientifique)J. Ripken(Fraunhofer Chalmers Research Centre for Industrial Mathematics)S. Ritz(University of California, Santa Cruz)Lynn Rochester(Kavli Institute for Particle Astrophysics and Cosmology)A. Y. Rodriguez(Institute of Space Sciences)Roger W. Romani(SLAC National Accelerator Laboratory)M. Roth(University of Washington)H. F-W. Sadrozinski(University of California, Santa Cruz)D. Salvetti(Istituto di Astrofisica Spaziale e Fisica Cosmica di Milano)D. A. Sanchez⋆(Laboratoire Leprince-Ringuet)A. Sander(The Ohio State University)P. M. Saz Parkinson(University of California, Santa Cruz)J. D. Scargle(Ames Research Center)T. Schalk(University of California, Santa Cruz)G. Scolieri(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)C. Sgrò(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)M. S. Shaw(Stanford University)E. J. Siskind(Real Time Tomography (United States))D. A. Smith(Centre National de la Recherche Scientifique)P. D. Smith(The Ohio State University)G. Spandre(Istituto Nazionale di Fisica Nucleare, Sezione di Pisa)P. Spinelli(Istituto Nazionale di Fisica Nucleare, Sezione di Bari)Jean‐Luc Starck(Astrophysique, Instrumentation et Modélisation)T. E. Stephens(Ames Research Center)E. Striani(University of Rome Tor Vergata)M. S. Strickman(United States Naval Research Laboratory)A. W. Strong(Max Planck Institute for Extraterrestrial Physics)D. J. Suson(Purdue University Northwest)H. Tajima(Stanford University)H. Takahashi(Hiroshima University)T. Takahashi(Institute of Space and Astronautical Science)Takaaki Tanaka(SLAC National Accelerator Laboratory)J. B. Thayer(Kavli Institute for Particle Astrophysics and Cosmology)J. G. Thayer(SLAC National Accelerator Laboratory)D. J. Thompson(Goddard Space Flight Center)L. Tibaldo(CEA Paris-Saclay)O. Tibolla(University of Würzburg)F. Tinebra(Sapienza University of Rome)D. F. Torres(Institució Catalana de Recerca i Estudis Avançats)G. Tosti(Istituto Nazionale di Fisica Nucleare, Sezione di Perugia)A. Tramacere(Consorzio Interuniversitario Fisica Spaziale)Y. Uchiyama(Kavli Institute for Particle Astrophysics and Cosmology)T. Usher(SLAC National Accelerator Laboratory)A. Van Etten(Kavli Institute for Particle Astrophysics and Cosmology)V. Vasileiou(Goddard Space Flight Center)N. Vilchez(Centre National d'Études Spatiales)V. Vitale(Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata)A. P. Waite(Kavli Institute for Particle Astrophysics and Cosmology)E. Wallace(University of Washington)P. Wang(Kavli Institute for Particle Astrophysics and Cosmology)K. Watters(Kavli Institute for Particle Astrophysics and Cosmology)B. L. Winer(The Ohio State University)K. S. Wood(United States Naval Research Laboratory)Z. Yang(Fraunhofer Chalmers Research Centre for Industrial Mathematics)T. Ylinen(KTH Royal Institute of Technology)M. Ziegler(University of California, Santa Cruz)

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Abstract

ABSTRACT We present a catalog of high-energy gamma-ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi) , during the first 11 months of the science phase of the mission, which began on 2008 August 4. The First Fermi -LAT catalog (1FGL) contains 1451 sources detected and characterized in the 100 MeV to 100 GeV range. Source detection was based on the average flux over the 11 month period, and the threshold likelihood Test Statistic is 25, corresponding to a significance of just over 4σ. The 1FGL catalog includes source location regions, defined in terms of elliptical fits to the 95% confidence regions and power-law spectral fits as well as flux measurements in five energy bands for each source. In addition, monthly light curves are provided. Using a protocol defined before launch we have tested for several populations of gamma-ray sources among the sources in the catalog. For individual LAT-detected sources we provide firm identifications or plausible associations with sources in other astronomical catalogs. Identifications are based on correlated variability with counterparts at other wavelengths, or on spin or orbital periodicity. For the catalogs and association criteria that we have selected, 630 of the sources are unassociated. Care was taken to characterize the sensitivity of the results to the model of interstellar diffuse gamma-ray emission used to model the bright foreground, with the result that 161 sources at low Galactic latitudes and toward bright local interstellar clouds are flagged as having properties that are strongly dependent on the model or as potentially being due to incorrectly modeled structure in the Galactic diffuse emission.

Astrophysics and Cosmic Phenomena Gamma-ray bursts and supernovae Dark Matter and Cosmic PhenomenaPhysicsAstrophysicsFermi Gamma-ray Space TelescopeTelescopeFlux (metallurgy)AstronomySpitzer Space TelescopeGalaxy

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