BPT class and AGN classification J/A+A/674/A85 ivo://CDS.VizieR/J/A+A/674/A85 doi:10.26093/cds/vizier.36740085 CDS Alban M. Wylezalek D. 2025-08-26T20:00:57Z 2023-06-07T08:21:33Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr active-galactic-nuclei line-intensities chemical-abundances visible-astronomy Accurate active galactic nucleus (AGN) identifications in large galaxy samples are crucial for the assessment of the role of AGN and AGN feedback in the co-evolution of galaxies and their central supermassive black holes. Emission-line flux-ratio diagnostics are commonly used to identify AGN in optical spectra. New large samples of integral field unit observations allow exploration of the role of aperture size in the classification process. In this paper, we present galaxy classifications for all 10010 galaxies observed within the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey. We use Baldwin-Philips-Terlevich line flux-ratio diagnostics combined with an H{alpha} equivalent threshold in 60 apertures of varying size for the classification, and provide the corresponding catalogs. MaNGA-selected AGN primarily lie below the main sequence of star-forming galaxies, and reside in massive galaxies with stellar masses of ~10^11^M_{sun}_ and a median H{alpha}-derived star formation rate of ~1.44MM_{sun}_/yr. We find that the number of "fake" AGN increases significantly beyond selection apertures of >1.0R_eff_ because of increased contamination from diffuse ionized gas (DIG). A comparison with previous works shows that the treatment of the underlying stellar continuum and flux measurements can significantly impact galaxy classification. Our work provides the community with AGN catalogs and galaxy classifications for the full MaNGA survey. 2023A&A...674A..85A https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/674/A85 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to J/AJ/154/86 : MaNGA catalog, DR15 (Wake+, 2017) https://www.sdss4.org/dr17/manga/manga-data/catalogs : MaNGA DR17 Home Page https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/674/A85 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/674/A85 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/674/A85 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/674/A85 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/674/A85 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/674/A85 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/674/A85/catalog (BPT class and AGN classification for 60 different apertures) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/674/A85/catalog? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/674/A85/catalog? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/674/A85/catalog? 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and AGN classification for 60 different apertures recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int STAR-FORM [0/1] Boolean array for star forming galaxies meta.code int Composite [0/1] Boolean array for composite galaxies meta.code int Ambiguous [0/1] Boolean array for composite galaxies meta.code int log[OIII]/Hb ? Logarithmic [OIII]/H{beta} ratio spect.line.intensity;arith.ratio double nullable log[NII]/Ha ? Logarithmic [NII]/H{alpha} ratio spect.line.intensity;arith.ratio double nullable log[SII]/Ha ? Logarithmic [SII]/H{alpha} ratio spect.line.intensity;arith.ratio double nullable log[OI]/Ha ? Logarithmic [OI]/H{alpha} ratio spect.line.intensity;arith.ratio double nullable EWHa ? Halpha Equivalent width 0.1nm spect.line.eqWidth double nullable RA_ICRS Right Ascension (ICRS) at Ep=2016.0 deg pos.eq.ra;meta.main indexed DE_ICRS Declination (ICRS) at Ep=2016.0 deg pos.eq.dec;meta.main indexed MaNGA IDs from MaNGA meta.id;meta.main char AGN [0/1] Seyfert or LINERs with EWHa>3 meta.code int SEYFERT [0/1] Boolean array for SEYFERT galaxies meta.code int LINER [0/1] Boolean array for LINER galaxies meta.code int SimbadName Simbad column added by the CDS meta.id char nullable