<i>FERMI</i> LARGE AREA TELESCOPE SECOND SOURCE CATALOG
P. L. NolanKavli Institute for Particle Astrophysics and CosmologyA. A. AbdoCenter for Earth Observing and Space Research, College of Science, George Mason University, Fairfax, VA 22030, USAM. AckermannDeutsches Elektronen Synchrotron DESY, D-15738 Zeuthen, GermanyM. AjelloW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAA. AllafortStanford UniversityE. AntoliniIstituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, ItalyW. B. AtwoodSanta Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USAM. AxelssonThe Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, SwedenL. BaldiniIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyJ. BalletInstitut de Recherche sur les Lois Fondamentales de l'UniversG. BarbielliniDipartimento di Fisica, Università di Trieste, I-34127 Trieste, ItalyD. BastieriIstituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, ItalyK. BechtolW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAA. BelfioreINAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, I-20133 Milano, ItalyR. BellazziniIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyB. BerenjiStanford UniversityG. F. BignamiIstituto Universitario di Studi Superiori (IUSS), I-27100 Pavia, ItalyR. D. BlandfordStanford UniversityE. D. BloomW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAE. BonamenteDipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, ItalyJ. T. BonnellDepartment of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, USAA. W. BorglandW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAE. BottaciniKavli Institute for Particle Astrophysics and CosmologyA. BouvierSanta Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USAT. J. BrandtCNRS, IRAP, F-31028 Toulouse Cedex 4, FranceJ. BregeonIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyM. BrigidaIstituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, ItalyP. BruelLaboratoire Leprince-RinguetR. BuehlerStanford UniversityT. H. BurnettDepartment of Physics, University of Washington, Seattle, WA 98195-1560, USAS. BusonIstituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, ItalyG. A. CaliandroInstitut de Ciències de l'Espai (IEEE-CSIC), Campus UAB, 08193 Barcelona, SpainR. A. CameronStanford UniversityR. CampanaBeatriz CañadasDipartimento di Fisica, Università di Roma "Tor Vergata," I-00133 Roma, ItalyA. CannonExperimental Physics Department, University College Dublin, Belfield, Dublin 4, IrelandP. A. CaraveoINAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, I-20133 Milano, ItalyJ. M. CasandjianInstitut de Recherche sur les Lois Fondamentales de l'UniversE. CavazzutiAgenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), ItalyM. CeccantiIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyC. CecchiDipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, ItalyÖ. ÇelikCenter for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, USAE. CharlesKavli Institute for Particle Astrophysics and CosmologyA. ChekhtmanC. C. CheungNational Academy of Sciences, Washington, DC 20001, USAJ. ChiangW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAR. ChipauxIRFU/SEDI, CEA Saclay, 91191 Gif sur Yvette, FranceS. CipriniDipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, ItalyR. ClausKavli Institute for Particle Astrophysics and CosmologyJ. Cohen-TanugiLaboratoire Univers et Particules de MontpellierL. R. CominskyDepartment of Physics and Astronomy, Sonoma State University, Rohnert Park, CA 94928-3609, USAJ. M. ConradFraunhofer Chalmers Research Centre for Industrial MathematicsR. CorbetNASA Goddard Space Flight Center, Greenbelt, MD 20771, USAS. CutiniAgenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), ItalyF. D’AmmandoIASF Palermo, I-90146 Palermo, ItalyDavid DavisDepartment of Physics and Center for Space Sciences and Technology, University of Maryland Baltimore County, Baltimore, MD 21250, USAA. De AngelisDipartimento di Fisica, Università di Udine and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Gruppo Collegato di Udine, I-33100 Udine, ItalyMegan E. DeCesarDepartment of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, USAM. DeKlotzStellar Solutions Inc., 250 Cambridge Avenue, Suite 204, Palo Alto, CA 94306, USAA. De LucaIstituto Universitario di Studi Superiori (IUSS), I-27100 Pavia, ItalyP. R. den HartogW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAF. de PalmaIstituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, ItalyC. D. DermerSpace Science Division, Naval Research Laboratory, Washington, DC 20375-5352, USAS. W. DigelStanford UniversityE. do Couto e SilvaKavli Institute for Particle Astrophysics and CosmologyP. S. DrellStanford UniversityA. Drlica-WagnerStanford UniversityR. DuboisKavli Institute for Particle Astrophysics and CosmologyD. DumoraLaboratoire de Physique des deux infinis BordeauxTeruaki EnotoW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAL. EscandeLaboratoire de Physique des deux infinis BordeauxD. FabianiIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyL. FallettiInstitut National de Physique Nucléaire et de Physique des ParticulesC. FavuzziDipartimento di Fisica "M. Merlin," dell'Università e del Politecnico di Bari, I-70126 Bari, ItalyS. FeganÉcole PolytechniqueE. C. FerraraNASA Goddard Space Flight Center, Greenbelt, MD 20771, USAW. B. FockeStanford UniversityP. FortinÉcole PolytechniqueM. FrailisOsservatorio Astronomico di Trieste, Istituto Nazionale di Astrofisica, I-34143 Trieste, ItalyY. FukazawaDepartment of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, JapanS. FunkW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAP. FuscoDipartimento di Fisica "M. Merlin," dell'Università e del Politecnico di Bari, I-70126 Bari, ItalyF. GarganoIstituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, ItalyD. GasparriniAgenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), ItalyN. GehrelsNASA Goddard Space Flight Center, Greenbelt, MD 20771, USAS. GermaniIstituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, ItalyB. GiebelsLaboratoire Leprince-RinguetN. GigliettoDipartimento di Fisica "M. Merlin," dell'Università e del Politecnico di Bari, I-70126 Bari, ItalyP. GiommiAgenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), ItalyF. GiordanoIstituto Nazionale di Fisica Nucleare, Sezione di Bari, I-70126 Bari, ItalyM. GirolettiINAF Istituto di Radioastronomia, I-40129 Bologna, ItalyT. GlanzmanW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAG. GodfreyW. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USAI. A. GrenierUniversité Paris CitéM.-H. GrondinMax-Planck-Institut für Kernphysik, D-69029 Heidelberg, GermanyJ. E. GroveSpace Science Division, Naval Research Laboratory, Washington, DC 20375-5352, USAL. GuillemotMax-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, GermanyS. GuiriecCenter for Space Plasma and Aeronomic Research (CSPAR), University of Alabama in Huntsville, Huntsville, AL 35899, USAM. GustafssonIstituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, ItalyD. HadaschInstitut de Ciències de l'Espai (IEEE-CSIC), Campus UAB, 08193 Barcelona, Spain
2012en
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ABI
Annotatsiya
We present the second catalog of high-energy γ-ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi), derived from data taken during the first 24months of the science phase of the mission, which began on 2008 August 4. Source detection is based on the average flux over the 24month period. The second Fermi-LAT catalog (2FGL) includes source location regions, defined in terms of elliptical fits to the 95% confidence regions and spectral fits in terms of power-law, exponentially cutoff power-law, or log-normal forms. Also included are flux measurements in five energy bands and light curves on monthly intervals for each source. Twelve sources in the catalog are modeled as spatially extended. We provide a detailed comparison of the results from this catalog with those from the first Fermi-LAT catalog (1FGL). Although the diffuse Galactic and isotropic models used in the 2FGL analysis are improved compared to the 1FGL catalog, we attach caution flags to 162 of the sources to indicate possible confusion with residual imperfections in the diffuse model. The 2FGL catalog contains 1873 sources detected and characterized in the 100MeV to 100GeV range of which we consider 127 as being firmly identified and 1171 as being reliably associated with counterparts of known or likely γ-ray-producing source classes. © 2012 The American Astronomical Society. All rights reserved.
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