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Gaia Data Release 3. Apsis. III. Non-stellar content and source classification

hal.structure.identifierInstitut d'Astrophysique et de Géophysique [Liège]
dc.contributor.authorDELCHAMBRE, L.
hal.structure.identifierMax-Planck-Institut für Astronomie [MPIA]
dc.contributor.authorBAILER-JONES, C. A. L.
hal.structure.identifierNational Observatory of Athens [NOA]
dc.contributor.authorBELLAS-VELIDIS, I.
hal.structure.identifierINAF - Osservatorio Astrofisico di Torino [OATo]
dc.contributor.authorDRIMMEL, R.
hal.structure.identifierUniversidade da Coruña
dc.contributor.authorGARABATO, D.
dc.contributor.authorCARBALLO, R.
hal.structure.identifierFoundation for Research and Technology-Hellas
dc.contributor.authorHATZIDIMITRIOU, D.
hal.structure.identifierInstitut de recherche en astrophysique et planétologie [IRAP]
dc.contributor.authorMARSHALL, D. J.
hal.structure.identifierMax Planck Institute for Astronomy [MPIA]
dc.contributor.authorANDRAE, R.
hal.structure.identifierUniversidade da Coruña
dc.contributor.authorDAFONTE, C.
hal.structure.identifierDepartment of Astrophysics, Astronomy and Mechanics [Kapodistrian Univ]
dc.contributor.authorLIVANOU, E.
hal.structure.identifierMax-Planck-Institut für Astronomie [MPIA]
dc.contributor.authorFOUESNEAU, M.
dc.contributor.authorLICATA, E. L.
hal.structure.identifierNiels Bohr Institute [Copenhagen] [NBI]
dc.contributor.authorLINDSTROM, H. E. P.
hal.structure.identifierUniversidade de Vigo
dc.contributor.authorMANTEIGA, M.
hal.structure.identifierThales Services
dc.contributor.authorROBIN, C.
dc.contributor.authorSILVELO, A.
dc.contributor.authorABREU ARAMBURU, A.
hal.structure.identifierUniversity of Hull [United Kingdom]
dc.contributor.authorALVAREZ, M. A.
hal.structure.identifierUniversity of Groningen [Groningen]
dc.contributor.authorBAKKER, J.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorBIJAOUI, A.
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorBROUILLET, N.
hal.structure.identifierINAF - Osservatorio Astrofisico di Catania [OACT]
dc.contributor.authorBRUGALETTA, E.
hal.structure.identifierCentre National d'Études Spatiales [Toulouse] [CNES]
dc.contributor.authorBURLACU, A.
hal.structure.identifierM2A 2018
dc.contributor.authorCASAMIQUELA, L.
hal.structure.identifierCentre National d'Études Spatiales [Toulouse] [CNES]
dc.contributor.authorCHAOUL, L.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorCHIAVASSA, A.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorCONTURSI, G.
dc.contributor.authorCOOPER, W. J.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorCREEVEY, O. L.
dc.contributor.authorDAPERGOLAS, A.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorDE LAVERNY, P.
hal.structure.identifierCentre National d'Études Spatiales [Toulouse] [CNES]
dc.contributor.authorDEMOUCHY, C.
dc.contributor.authorDHARMAWARDENA, T. E.
hal.structure.identifierUppsala University
dc.contributor.authorEDVARDSSON, B.
hal.structure.identifierRoyal Observatory of Belgium = Observatoire Royal de Belgique [ROB]
dc.contributor.authorFRÉMAT, Y.
hal.structure.identifierISO Data Centre [ESA - Espagne]
hal.structure.identifierHerschel Science Centre [ESA Espagne]
dc.contributor.authorGARCÍA-LARIO, P.
dc.contributor.authorGARCÍA-TORRES, M.
dc.contributor.authorGAVEL, A.
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorGOMEZ, A.
dc.contributor.authorGONZÁLEZ-SANTAMARÍA, I.
hal.structure.identifierUppsala University
dc.contributor.authorHEITER, U.
dc.contributor.authorJEAN-ANTOINE PICCOLO, A.
hal.structure.identifierSection of Astrophysics, Astronomy and Mechanics [Athens]
dc.contributor.authorKONTIZAS, M.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorKORDOPATIS, G.
dc.contributor.authorKORN, A. J.
dc.contributor.authorLANZAFAME, A. C.
hal.structure.identifierLaboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics [LESIA]
hal.structure.identifierInstitut de Physique de Rennes [IPR]
dc.contributor.authorLEBRETON, Y.
hal.structure.identifierRoyal Observatory of Belgium = Observatoire Royal de Belgique [ROB]
dc.contributor.authorLOBEL, A.
dc.contributor.authorLORCA, A.
dc.contributor.authorMAGDALENO ROMEO, A.
dc.contributor.authorMAROCCO, F.
dc.contributor.authorMARY, N.
hal.structure.identifierCentre National d'Études Spatiales [Toulouse] [CNES]
dc.contributor.authorNICOLAS, C.
dc.contributor.authorORDENOVIC, C.
hal.structure.identifierCentre National d'Études Spatiales [Toulouse] [CNES]
dc.contributor.authorPAILLER, F.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorPALICIO, P. A.
dc.contributor.authorPALLAS-QUINTELA, L.
dc.contributor.authorPANEM, C.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorPICHON, B.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorPOGGIO, E.
dc.contributor.authorRECIO-BLANCO, A.
hal.structure.identifierCentre National d'Études Spatiales [Toulouse] [CNES]
dc.contributor.authorRICLET, F.
dc.contributor.authorRYBIZKI, J.
dc.contributor.authorSANTOVEÑA, R.
dc.contributor.authorSARRO, L. M.
dc.contributor.authorSCHULTHEIS, M. S.
dc.contributor.authorSEGOL, M.
dc.contributor.authorSLEZAK, I.
dc.contributor.authorSMART, R. L.
dc.contributor.authorSORDO, R.
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorSOUBIRAN, C.
dc.contributor.authorSÜVEGES, M.
dc.contributor.authorTHÉVENIN, F.
dc.contributor.authorTORRALBA ELIPE, G.
dc.contributor.authorULLA, A.
dc.contributor.authorUTRILLA, E.
dc.contributor.authorVALLENARI, A.
dc.contributor.authorVAN DILLEN, E.
hal.structure.identifierJoseph Louis LAGRANGE [LAGRANGE]
dc.contributor.authorZHAO, H.
hal.structure.identifierInstitut d'Astrophysique de Paris [IAP]
dc.contributor.authorZOREC, J.
dc.date.issued2023
dc.identifier.issn0004-6361
dc.description.abstractEnContext. As part of the third Gaia data release, we present the contributions of the non-stellar and classification modules from the eighth coordination unit (CU8) of the Data Processing and Analysis Consortium, which is responsible for the determination of source astrophysical parameters using Gaia data. This is the third in a series of three papers describing the work done within CU8 for this release. Aims. For each of the five relevant modules from CU8, we summarise their objectives, the methods they employ, their performance, and the results they produce for Gaia DR3. We further advise how to use these data products and highlight some limitations. Methods. The Discrete Source Classifier (DSC) module provides classification probabilities associated with five types of sources: quasars, galaxies, stars, white dwarfs, and physical binary stars. A subset of these sources are processed by the Outlier Analysis (OA) module, which performs an unsupervised clustering analysis, and then associates labels with the clusters to complement the DSC classification. The Quasi Stellar Object Classifier (QSOC) and the Unresolved Galaxy Classifier (UGC) determine the redshifts of the sources classified as quasar and galaxy by the DSC module. Finally, the Total Galactic Extinction (TGE) module uses the extinctions of individual stars determined by another CU8 module to determine the asymptotic extinction along all lines of sight for Galactic latitudes |b| > 5 deg. Results. Gaia DR3 includes 1591 million sources with DSC classifications; 56 million sources to which the OA clustering is applied; 1.4 million sources with redshift estimates from UGC; 6.4 million sources with QSOC redshift; and 3.1 million level 9 HEALPixes of size 0.013 squared degree, where the extinction is evaluated by TGE.
dc.language.isoen
dc.publisherEDP Sciences
dc.subject.enmethods: data analysis
dc.subject.enmethods: statistical
dc.subject.engalaxies: fundamental parameters
dc.subject.endust
dc.subject.enextinction
dc.subject.enmethods: data analysis
dc.subject.enquasars: general
dc.subject.encatalogs
dc.title.enGaia Data Release 3. Apsis. III. Non-stellar content and source classification
dc.typeArticle de revue
dc.identifier.doi10.1051/0004-6361/202243423
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique galactique [astro-ph.GA]
dc.identifier.arxiv2206.06710
bordeaux.journalAstronomy and Astrophysics - A&A
bordeaux.pageA31
bordeaux.volume674
bordeaux.peerReviewedoui
hal.identifierhal-04072569
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04072569v1
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