Мақола

<i>FERMI</i> LARGE AREA TELESCOPE SECOND SOURCE CATALOG

P. L. NolanW. 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. 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. AllafortW. 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. 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. AxelssonDepartment of Physics, Royal Institute of Technology (KTH), AlbaNova, SE-106 91 Stockholm, SwedenL. BaldiniIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyJ. BalletLaboratoire AIM, CEA-IRFU/CNRS/Université Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette, FranceG. BarbielliniIstituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, ItalyD. BastieriDipartimento di Fisica "G. Galilei," Università 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. BerenjiW. 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. F. BignamiIstituto Universitario di Studi Superiori (IUSS), I-27100 Pavia, ItalyR. D. BlandfordW. 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. 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. BonnellNASA Goddard Space Flight Center, Greenbelt, MD 20771, 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. BottaciniW. 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. 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-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, FranceR. BuehlerW. 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, USAT. H. BurnettDepartment of Physics, University of Washington, Seattle, WA 98195-1560, USAS. BusonDipartimento di Fisica "G. Galilei," Università di Padova, I-35131 Padova, ItalyG. A. CaliandroInstitut de Ciències de l'Espai (IEEE-CSIC), Campus UAB, 08193 Barcelona, SpainR. A. CameronW. 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. CampanaBeatriz CañadasIstituto Nazionale di Fisica Nucleare, Sezione 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. CasandjianLaboratoire AIM, CEA-IRFU/CNRS/Université Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette, FranceE. 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. CharlesW. 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. 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. ChipauxInstitut de Recherche sur les Lois Fondamentales de l'UniversS. CipriniDipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, ItalyR. ClausW. 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, USAJ. Cohen-TanugiLaboratoire Univers et Particules de Montpellier, Université Montpellier 2, CNRS/IN2P3, Montpellier, FranceL. R. CominskyDepartment of Physics and Astronomy, Sonoma State University, Rohnert Park, CA 94928-3609, USAJ. M. ConradThe Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, SwedenR. 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 PalmaDipartimento di Fisica "M. Merlin," dell'Università e del Politecnico di Bari, I-70126 Bari, ItalyC. D. DermerSpace Science Division, Naval Research Laboratory, Washington, DC 20375-5352, USAS. W. DigelW. 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. do Couto e SilvaW. 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. S. DrellW. 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. Drlica-WagnerW. 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. DuboisW. 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, USAD. DumoraCentre d'Études Nucléaires de Bordeaux Gradignan, Université Bordeaux 1, CNRS/IN2p3, 33175 Gradignan, FranceTeruaki 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. EscandeCentre d'Études Nucléaires de Bordeaux Gradignan, Université Bordeaux 1, CNRS/IN2p3, 33175 Gradignan, FranceD. FabianiIstituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, ItalyL. FallettiLaboratoire Univers et Particules de Montpellier, Université Montpellier 2, CNRS/IN2P3, Montpellier, FranceC. FavuzziDipartimento di Fisica "M. Merlin," dell'Università e del Politecnico di Bari, I-70126 Bari, ItalyS. FeganLaboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, FranceE. C. FerraraNASA Goddard Space Flight Center, Greenbelt, MD 20771, USAW. B. FockeW. 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. FortinLaboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, FranceM. FrailisDipartimento di Fisica, Università di Udine and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Gruppo Collegato di Udine, I-33100 Udine, 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. FuscoIstituto Nazionale di Fisica Nucleare, Sezione 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. GermaniDipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, ItalyB. GiebelsLaboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, FranceN. 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. GrenierLaboratoire AIM, CEA-IRFU/CNRS/Université Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette, FranceM.-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

ABI

Аннотация

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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DOI: 10.1088/0067-0049/199/2/31

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