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

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dc.contributor.authorAjello M
dc.contributor.authorBaldini L
dc.contributor.authorBallet J
dc.contributor.authorBastieri D
dc.contributor.authorGonzalez JB
dc.contributor.authorBellazzini R
dc.contributor.authorBerretta A
dc.contributor.authorBissaldi E
dc.contributor.authorBonino R
dc.contributor.authorBrill A
dc.contributor.authorBruel P
dc.contributor.authorBuson S
dc.contributor.authorCaputo R
dc.contributor.authorCaraveo PA
dc.contributor.authorCheung CC
dc.contributor.authorChiaro G
dc.contributor.authorCibrario N
dc.contributor.authorCiprini S
dc.contributor.authorCrnogorcevic M
dc.contributor.authorCutini S
dc.contributor.authorD'Ammando F
dc.contributor.authorDe Gaetano S
dc.contributor.authorDi Lalla N
dc.contributor.authorDi Venere L
dc.contributor.authorDominguez A
dc.contributor.authorRamazani VF
dc.contributor.authorFerrara EC
dc.contributor.authorFiori A
dc.contributor.authorFukazawa Y
dc.contributor.authorFunk S
dc.contributor.authorFusco P
dc.contributor.authorGammaldi V
dc.contributor.authorGargano F
dc.contributor.authorGarrappa S
dc.contributor.authorGasparrini D
dc.contributor.authorGiglietto N
dc.contributor.authorGiordano F
dc.contributor.authorGiroletti M
dc.contributor.authorGreen D
dc.contributor.authorGrenier IA
dc.contributor.authorGuiriec S
dc.contributor.authorHoran D
dc.contributor.authorHou X
dc.contributor.authorKayanoki T
dc.contributor.authorKuss M
dc.contributor.authorLarsson S
dc.contributor.authorLatronico L
dc.contributor.authorLewis T
dc.contributor.authorLi J
dc.contributor.authorLiodakis Yannis
dc.contributor.authorLongo F
dc.contributor.authorLoparco F
dc.contributor.authorLott B
dc.contributor.authorLovellette MN
dc.contributor.authorLubrano P
dc.contributor.authorMadejski GM
dc.contributor.authorMaldera S
dc.contributor.authorManfreda A
dc.contributor.authorMarti-Devesa G
dc.contributor.authorMazziotta MN
dc.contributor.authorMereu I
dc.contributor.authorMichelson PF
dc.contributor.authorMirabal N
dc.contributor.authorMitthumsiri W
dc.contributor.authorMizuno T
dc.contributor.authorMonzani ME
dc.contributor.authorMorselli A
dc.contributor.authorMoskalenko IV
dc.contributor.authorNegro M
dc.contributor.authorOjha R
dc.contributor.authorOrienti M
dc.contributor.authorOrlando E
dc.contributor.authorOrmes JF
dc.contributor.authorPei Z
dc.contributor.authorPena-Herazo H
dc.contributor.authorPersic M
dc.contributor.authorPesce-Rollins M
dc.contributor.authorPetrosian V
dc.contributor.authorPillera R
dc.contributor.authorPoon H
dc.contributor.authorPorter TA
dc.contributor.authorPrincipe G
dc.contributor.authorRaino S
dc.contributor.authorRando R
dc.contributor.authorRani B
dc.contributor.authorRazzano M
dc.contributor.authorRazzaque S
dc.contributor.authorReimer A
dc.contributor.authorReimer O
dc.contributor.authorScotton L
dc.contributor.authorSerini D
dc.contributor.authorSgro C
dc.contributor.authorSiskind EJ
dc.contributor.authorSpandre G
dc.contributor.authorSpinelli P
dc.contributor.authorSuson DJ
dc.contributor.authorTajima H
dc.contributor.authorTorres DF
dc.contributor.authorValverde J
dc.contributor.authorYassin H
dc.contributor.authorZaharijas G
dc.contributor.organizationfi=Suomen ESO-keskus|en=Finnish Centre for Astronomy with ESO|
dc.contributor.organization-code1.2.246.10.2458963.20.54954054844
dc.converis.publication-id178003633
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/178003633
dc.date.accessioned2025-08-27T21:49:03Z
dc.date.available2025-08-27T21:49:03Z
dc.description.abstractAn 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.
dc.identifier.eissn1538-4365
dc.identifier.jour-issn0067-0049
dc.identifier.olddbid201188
dc.identifier.oldhandle10024/184215
dc.identifier.urihttps://www.utupub.fi/handle/11111/47791
dc.identifier.urlhttps://iopscience.iop.org/article/10.3847/1538-4365/ac9523
dc.identifier.urnURN:NBN:fi-fe202301245320
dc.language.isoen
dc.okm.affiliatedauthorLiodakis, Yannis
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.discipline115 Avaruustieteet ja tähtitiedefi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherIOP Publishing Ltd
dc.publisher.countryUnited Statesen_GB
dc.publisher.countryYhdysvallat (USA)fi_FI
dc.publisher.country-codeUS
dc.relation.articlenumber24
dc.relation.doi10.3847/1538-4365/ac9523
dc.relation.ispartofjournalAstrophysical Journal Supplement
dc.relation.issue2
dc.relation.volume263
dc.source.identifierhttps://www.utupub.fi/handle/10024/184215
dc.titleThe Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope: Data Release 3
dc.year.issued2022

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