The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

@article{Ajello2020TheFC,
  title={The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope},
  author={Marco Ajello and R. Angioni and Magnus Axelsson and Jean Ballet and Guido Barbiellini and Denis Bastieri and J. Becerra Gonz{\'a}lez and Ronaldo Bellazzini and E. Bissaldi and Elliott D. Bloom and R. Bonino and Eugenio Bottacini and P. Bruel and Silvio Buson and Fabio Cafardo and R. A. Cameron and Elisabetta Cavazzuti and S. Chen and C. C. Cheung and S. Ciprini and Denise Costantin and S. Cutini and Filippo D’Ammando and Pedro De la Torre Luque and Raniere de Menezes and Francesco de Palma and Abhishek Desai and N. Di Lalla and Leonardo Di Venere and A. Dom{\'i}nguez and Feraol Fana Dirirsa and Elizabeth C. Ferrara and Justin D. Finke and Anna Franckowiak and Y. Fukazawa and S. Funk and Piergiorgio Fusco and Fabio Gargano and Simone Garrappa and Dario Gasparrini and N. Giglietto and Francesco Giordano and Marcello Giroletti and D. Green and Isabelle A. Grenier and Sylvain Guiriec and Shohei Harita and E. Hays and Deirdre Horan and Ryousuke Itoh and Guðlaugur J{\'o}hannesson and M. Kovac’evic’ and Felicia Krau{\ss} and Michael Kreter and Michael Kuss and S. Larsson and Cristina Leto and J. Li and Ioannis Liodakis and Francesco Longo and Francesco Loparco and B. Lott and Michael N. Lovellette and Pasquale Lubrano and Grzegorz Madejski and Simone Maldera and A. Manfreda and G. Mart{\'i}-Devesa and Francesco Massaro and Mario N. Mazziotta and I. Mereu and M. Meyer and G. Migliori and N. Mirabal and T. Mizuno and M. E. Monzani and A. Morselli and Igor V. Moskalenko and M. Negro and Rodrigo Nemmen and Eric Nuss and L. S. Ojha and Roopesh Ojha and Nicola Omodei and Monica Orienti and E. Orlando and Jonathan F. Ormes and Vaidehi S. Paliya and Zhiyuan Pei and Harold A. Pe{\~n}a-Herazo and Massimo Persic and Melissa Pesce-Rollins and L. Petrov and F. Piron and Hoifung Poon and G. Principe and S. Rain{\`o} and Riccardo Rando and Babita Rani and Massimiliano Razzano and Soebur Razzaque and A. Reimer and O. Reimer and Frank K. Schinzel and D. Serini and Carmelo Sgr{\`o} and Eric J. Siskind and Gloria Spandre and Paolo Spinelli and Daniel J. Suson and Yutaro Tachibana and D. J. Thompson and Diego F. Torres and Eleonora Torresi and Eleonora Troja and Janeth Valverde and Petrus H. Van Zyl and Manal Yassine},
  journal={arXiv: High Energy Astrophysical Phenomena},
  year={2020}
}
An incremental version (4LAC-DR2) of the fourth catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT is presented. This version is associated with the second release of the 4FGL general catalog (based on 10 years of data), where the spectral parameters, spectral energy distributions, yearly light curves, and associations have been updated for all sources. The new reported AGNs include two radio galaxies and 283 blazars. We briefly describe the properties of the new sample and… Expand
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References

SHOWING 1-10 OF 122 REFERENCES
The Third Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope
The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between 100 MeV and 300 GeVExpand
The Second Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope
The second catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area Telescope (LAT) in two years of scientific operation is presented. The Second LAT AGN Catalog (2LAC) includes 1017Expand
FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG
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 11Expand
Fermi Large Area Telescope Third Source Catalog
We present the third Fermi Large Area Telescope (LAT) source catalog (3FGL) of sources in the 100MeV– 300 GeV range. Based on the first 4 yr of science data from the Fermi Gamma-ray Space TelescopeExpand
REFINING THE ASSOCIATIONS OF THE FERMI LARGE AREA TELESCOPE SOURCE CATALOGS
The Fermi-Large Area Telescope (LAT) First Source Catalog (1FGL) was released in 2010 February and the Fermi-LAT 2-Year Source Catalog (2FGL) appeared in 2012 April, based on data from 24 months ofExpand
A catalogue of quasars and active nuclei: 13th edition
Aims. This catalogue is aimed at presenting a compilation of all known AGN in a compact and convenient form, and we hope that it will be useful to all workers in this field. Methods. Like the twelfthExpand
CGRaBS: An All-Sky Survey of Gamma-Ray Blazar Candidates
We describe a uniform all-sky survey of bright blazars, selected primarily by their flat radio spectra, that is designed to provide a large catalog of likely γ-ray active galactic nuclei (AGNs). TheExpand
New Associations of Gamma-Ray Sources from the Fermi Second Source Catalog
We present the results of an all-sky radio survey between 5 and 9 GHz of the fields surrounding all unassociated gamma-ray objects listed in the Fermi Large Area Telescope Second Source CatalogExpand
Australia Telescope Compact Array observations of Fermi unassociated sources
We report results of the first phase of observations with the Australia Telescope Compact Array (ATCA) at 5 and 9 GHz of the fields around 411 gamma-ray sources with declinations < +10 deg detectedExpand
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