The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope: Data Release 3

Ajello M; Baldini L; Ballet J; Bastieri D; Gonzalez JB; Bellazzini R; Berretta A; Bissaldi E; Bonino R; Brill A; Bruel P; Buson S; Caputo R; Caraveo PA; Cheung CC; Chiaro G; Cibrario N; Ciprini S; Crnogorcevic M; Cutini S; D'Ammando F; De Gaetano S; Di Lalla N; Di Venere L; Dominguez A; Ramazani VF; Ferrara EC; Fiori A; Fukazawa Y; Funk S; Fusco P; Gammaldi V; Gargano F; Garrappa S; Gasparrini D; Giglietto N; Giordano F; Giroletti M; Green D; Grenier IA; Guiriec S; Horan D; Hou X; Kayanoki T; Kuss M; Larsson S; Latronico L; Lewis T; Li J; Liodakis Yannis; Longo F; Loparco F; Lott B; Lovellette MN; Lubrano P; Madejski GM; Maldera S; Manfreda A; Marti-Devesa G; Mazziotta MN; Mereu I; Michelson PF; Mirabal N; Mitthumsiri W; Mizuno T; Monzani ME; Morselli A; Moskalenko IV; Negro M; Ojha R; Orienti M; Orlando E; Ormes JF; Pei Z; Pena-Herazo H; Persic M; Pesce-Rollins M; Petrosian V; Pillera R; Poon H; Porter TA; Principe G; Raino S; Rando R; Rani B; Razzano M; Razzaque S; Reimer A; Reimer O; Scotton L; Serini D; Sgro C; Siskind EJ; Spandre G; Spinelli P; Suson DJ; Tajima H; Torres DF; Valverde J; Yassin H; Zaharijas G
The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope: Data Release 3

Ajello M
Baldini L
Ballet J
Bastieri D
Gonzalez JB
Bellazzini R
Berretta A
Bissaldi E
Bonino R
Brill A
Bruel P
Buson S
Caputo R
Caraveo PA
Cheung CC
Chiaro G
Cibrario N
Ciprini S
Crnogorcevic M
Cutini S
D'Ammando F
De Gaetano S
Di Lalla N
Di Venere L
Dominguez A
Ramazani VF
Ferrara EC
Fiori A
Fukazawa Y
Funk S
Fusco P
Gammaldi V
Gargano F
Garrappa S
Gasparrini D
Giglietto N
Giordano F
Giroletti M
Green D
Grenier IA
Guiriec S
Horan D
Hou X
Kayanoki T
Kuss M
Larsson S
Latronico L
Lewis T
Li J
Liodakis Yannis
Longo F
Loparco F
Lott B
Lovellette MN
Lubrano P
Madejski GM
Maldera S
Manfreda A
Marti-Devesa G
Mazziotta MN
Mereu I
Michelson PF
Mirabal N
Mitthumsiri W
Mizuno T
Monzani ME
Morselli A
Moskalenko IV
Negro M
Ojha R
Orienti M
Orlando E
Ormes JF
Pei Z
Pena-Herazo H
Persic M
Pesce-Rollins M
Petrosian V
Pillera R
Poon H
Porter TA
Principe G
Raino S
Rando R
Rani B
Razzano M
Razzaque S
Reimer A
Reimer O
Scotton L
Serini D
Sgro C
Siskind EJ
Spandre G
Spinelli P
Suson DJ
Tajima H
Torres DF
Valverde J
Yassin H
Zaharijas G
Katso/Avaa
Lataukset: 

IOP Publishing Ltd
doi:10.3847/1538-4365/ac9523
URI
https://iopscience.iop.org/article/10.3847/1538-4365/ac9523
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Julkaisun pysyvä osoite on:
https://urn.fi/URN:NBN:fi-fe202301245320
Tiivistelmä
An incremental version of the fourth catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area Telescope is presented. This version (4LAC-DR3) derives from the third data release of the 4FGL catalog based on 12 yr of E > 50 MeV gamma-ray data, where the spectral parameters, spectral energy distributions (SEDs), yearly light curves, and associations have been updated for all sources. The new reported AGNs include 587 blazar candidates and four radio galaxies. We describe the properties of the new sample and outline changes affecting the previously published one. We also introduce two new parameters in this release, namely the peak energy of the SED high-energy component and the corresponding flux. These parameters allow an assessment of the Compton dominance, the ratio of the inverse-Compton to the synchrotron-peak luminosities, without relying on X-ray data.
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