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Related papers: Fermi Large Area Telescope First Source Catalog

200 papers

During its first 2 years of mission the Fermi-LAT instrument discovered more than 1,800 gamma-ray sources in the 100 MeV to 100 GeV range. Despite the application of advanced techniques to identify and associate the Fermi-LAT sources with…

High Energy Astrophysical Phenomena · Physics 2016-03-02 David Salvetti

The high-frequency radio sky, like the gamma-ray sky surveyed by the Fermi satellite, is dominated by flat spectrum radio quasars and BL Lac objects at bright flux levels. To investigate the relationship between radio and gamma-ray emission…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Elizabeth K. Mahony , Elaine M. Sadler , Tara Murphy , Ronald D. Ekers , Philip G. Edwards , Marcella Massardi

The Fermi Large Area Telescope (LAT) has provided the most detailed view to date of the emission towards the Galactic centre (GC) in high-energy gamma-rays. This paper describes the analysis of data taken during the first 62 months of the…

High Energy Astrophysical Phenomena · Physics 2017-02-22 LAT Collaboration

We present an incremental version (4FGL-DR3, for Data Release 3) of the fourth Fermi-LAT catalog of gamma-ray sources. Based on the first twelve years of science data in the energy range from 50 MeV to 1 TeV, it contains 6658 sources. The…

High Energy Astrophysical Phenomena · Physics 2022-07-05 LAT collaboration , Soheila Abdollahi , Fabio Acero , Luca Baldini , Jean Ballet , Denis Bastieri , Ronaldo Bellazzini , Bijan Berenji , Alessandra Berretta , Elisabetta Bissaldi , Roger D. Blandford , Elliott Bloom , Raffaella Bonino , Ari Brill , Richard J. Britto , Philippe Bruel , Toby H. Burnett , Sara Buson , Rob A. Cameron , Regina Caputo , Patrizia A. Caraveo , Daniel Castro , Sylvain Chaty , Teddy C. Cheung , Graziano Chiaro , Nicolo Cibrario , Stefano Ciprini , Javier Coronado-Blazquez , Milena Crnogorcevic , Sara Cutini , Filippo D'Ammando , Salvatore De Gaetano , Seth W. Digel , Niccolo Di Lalla , Feraol F. Dirirsa , Leonardo Di Venere , Alberto Dominguez , Vandad Fallah Ramazani , Stephen J. Fegan , Elizabeth C. Ferrara , Alessio Fiori , Henrike Fleischhack , Anna Franckowiak , Yasushi Fukazawa , Stefan Funk , Piergiorgio Fusco , Giorgio Galanti , Viviana Gammaldi , Fabio Gargano , Simone Garrappa , Dario Gasparrini , Federica Giacchino , Nico Giglietto , Francesco Giordano , Marcello Giroletti , Thomas Glanzman , David Green , Isabelle A. Grenier , Marie-Helene Grondin , Lucas Guillemot , Sylvain Guiriec , Michael Gustafsson , Alice K. Harding , Liz Hays , John W. Hewitt , Deirdre Horan , Xian Hou , Gudlaugur Johannesson , Christopher M. Karwin , Taishu Kayanoki , Matthew T. Kerr , Michael Kuss , David Landriu , Stefan Larsson , Luca Latronico , Marianne Lemoine-Goumard , Jian Li , Ioannis Liodakis , Francesco Longo , Francesco Loparco , Benoit Lott , Pasquale Lubrano , Simone Maldera , Dmitry Malyshev , Alberto Manfreda , Guillem Marti-Devesa , Mario N. Mazziotta , Isabella Mereu , Manuel Meyer , Peter F. Michelson , Nestor Mirabal , Warit Mitthumsiri , Tsunefumi Mizuno , Alex A. Moiseev , Maria E. Monzani , Aldo Morselli , Igor V. Moskalenko , Michela Negro , Eric Nuss , Nicola Omodei , Monica Orienti , Elena Orlando , David Paneque , Zhiyuan Pei , Jeremy S. Perkins , Massimo Persic , Melissa Pesce-Rollins , Vahe Petrosian , Roberta Pillera , Helen Poon , Troy A. Porter , Giacomo Principe , Silvia Raino , Riccardo Rando , Bindu Rani , Massimiliano Razzano , Soebur Razzaque , Anita Reimer , Olaf Reimer , Thierry Reposeur , Miguel A. Sanchez-Conde , Pablo M. Saz Parkinson , Lorenzo Scotton , Davide Serini , Carmelo Sgro , Eric J. Siskind , David A. Smith , Gloria Spandre , Paolo Spinelli , Kohei Sueoka , Dan J. Suson , Hiro Tajima , Dongguen Tak , Jana B. Thayer , David J. Thompson , Diego F. Torres , Eleonora Troja , Janeth Valverde , Kent Wood , Gabrijela Zaharijas

We report on observations of TeV-selected AGN made during the first 5.5 months of observations with the Large Area Telescope (LAT) on-board the Fermi Gamma-ray Space Telescope (Fermi). In total, 96 AGN were selected for study, each being…

High Energy Astrophysical Phenomena · Physics 2012-08-27 S. J. Fegan , D. Sanchez , Fermi LAT Collaboration , : , A. A. Abdo

We present the first catalog of active galactic nuclei (AGN) detected by the LAT, corresponding to 11 months of data collected in scientific operation mode. The First LAT AGN Catalog (1LAC) includes 671 gamma-ray sources located at high…

High Energy Astrophysical Phenomena · Physics 2019-08-14 A. A. Abdo

The Fermi Gamma-ray Space Telescope, a key mission in multiwavelength and multimessenger studies, has been surveying the gamma-ray sky from its low-Earth orbit since 2008. Its two scientific instruments, the Gamma-ray Burst Monitor (GBM)…

High Energy Astrophysical Phenomena · Physics 2023-04-05 David J. Thompson , Colleen A. Wilson-Hodge

The Large Area Telescope (LAT) on Fermi, launched on 2008 June 11, is a space telescope to explore the high energy gamma-ray universe. The instrument covers the energy range from 20 MeV to 300 GeV with greatly improved sensitivity and…

High Energy Astrophysical Phenomena · Physics 2010-06-18 Damien Parent

(Abridged) The Large Area Telescope (Fermi/LAT, hereafter LAT), the primary instrument on the Fermi Gamma-ray Space Telescope (Fermi) mission, is an imaging, wide field-of-view, high-energy gamma-ray telescope, covering the energy range…

Instrumentation and Methods for Astrophysics · Physics 2012-08-27 LAT Collaboration , W. B. Atwood

Spatial extension is an important characteristic for correctly associating gamma-ray-emitting sources with their counterparts at other wavelengths and for obtaining an unbiased model of their spectra. We present a new method for quantifying…

The dramatic increase in the number of known gamma-ray pulsars since the launch of the Fermi Gamma-ray Space Telescope (formerly GLAST) offers the first opportunity to study a population of these high-energy objects. This catalog summarizes…

High Energy Astrophysical Phenomena · Physics 2019-08-13 A. A. Abdo

Over the past 16 years, the Fermi Large Area Telescope (LAT) has significantly advanced our view of the GeV gamma-ray sky, yet several key questions remain - such as the composition of the isotropic gamma-ray background, the origin of the…

High Energy Astrophysical Phenomena · Physics 2025-05-07 Christopher Eckner , Noemi Anau Montel , Florian List , Francesca Calore , Christoph Weniger

The {\it Fermi} Large Area Telescope (LAT) has been routinely gathering science data since August 2008, surveying the full sky every three hours. The first Fermi-LAT catalog of sources detected above 10 GeV (1FHL) relied on three years of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 M. Ajello , A. Domínguez , D. Gasparrini , S. Cutini

The Fermi Gamma-ray Space Telescope was launched more than 13 years ago and since then it has dramatically changed our knowledge of the gamma-ray sky. With more than three billions photons from the whole sky, collected in the energy range…

High Energy Astrophysical Phenomena · Physics 2022-09-09 Giacomo Principe

We present a catalog of sources detected above 10 GeV by the Fermi Large Area Telescope (LAT) in the first 7 years of data using the Pass 8 event-level analysis. This is the Third Catalog of Hard Fermi-LAT Sources (3FHL), containing 1556…

High Energy Astrophysical Phenomena · Physics 2017-10-25 LAT Collaboration

Since 2008 August the Fermi Large Area Telescope (LAT) has provided continuous coverage of the gamma-ray sky yielding more than 5000 gamma-ray sources, but 54% of the detected sources remain with no certain or unknown association with a low…

High Energy Astrophysical Phenomena · Physics 2020-12-01 Chiaro G. , Kovacevic M. , La Mura G

Observations of Gamma-Ray Bursts with the Fermi Large Area Telescope have prompted theoretical advances and posed big challenges in the understanding of such extreme sources, despite the fact that GRB emission above 100 MeV is a fairly rare…

High Energy Astrophysical Phenomena · Physics 2015-02-12 Giacomo Vianello , Nicola Omodei , Fermi/LAT collaboration

The first three months of sky-survey operation with the Fermi Gamma Ray Space Telescope (Fermi) Large Area Telescope (LAT) reveals 132 bright sources at |b|>10 deg with test statistic greater than 100 (corresponding to about 10 sigma). Two…

High Energy Astrophysical Phenomena · Physics 2009-09-30 A. A. Abdo

The first Fermi Large Area Telescope (LAT) catalogue of sources (1FHL) emitting at high energies (above 10 GeV) reports the details of 514 objects detected in the first three years of the Fermi mission. Of these, 71 were reported as…

High Energy Astrophysical Phenomena · Physics 2015-06-24 R. Landi , L. Bassani , J. B. Stephen , N. Masetti , A. Malizia , P. Ubertini