Position angle for the FinAGN sample J/A+A/686/A169 ivo://CDS.VizieR/J/A+A/686/A169 doi:10.26093/cds/vizier.36860169 CDS Zheng X. Zhang Y. Rottgering H. 2024-11-29T20:02:55Z 2024-06-07T09:32:06Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr active-galactic-nuclei astrometry astronomical-object-identification galaxy-classification-systems radio-sources It is well established that AGNs play an important role in the evolution of galaxies. These AGNs can be linked to the accretion processes onto massive black holes and past merger events in their host galaxies, which may lead to different alignments of the jets with respect to the host galaxies. This paper presents a study of the PA differences between radio and optical images of radio AGNs based on the LoTSS DR2, the FIRST, the DESI Legacy Imaging Surveys and the SDSS. We assessed PA measurement biases in the data and classified the radio AGNs based on the radio luminosity and infrared colour from the WISE. This resulted in the largest yet published sample of 3682 radio AGNs with reliable radio and optical PA measurements. The PA difference (dPA) distributions for the radio AGN sample show a prominent minor-axis alignment tendency. Based on some simple assumptions, we simulated the projection effect to estimate the intrinsic jet-galaxy alignment. The observed dPA distribution can be well described by a two-component jet-alignment model in which one component is more aligned with the minor axis of the host galaxy than the other. The fitting results indicate that the jet alignment is dependent on radio luminosity and the shape of the host galaxies, with the jets being more likely to be aligned with the minor axis of the galaxy for lower radio luminosity and for optically more elongated radio AGNs. The minor-axis alignment of the entire sample may suggest a coherent accretion model present in most AGN host galaxies, while a considerable number of luminous radio-AGN with massive host galaxies might have undergone an accretion according to the chaotic model or past merger events. 2024A&A...686A.169Z https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/686/A169 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to VII/292 : DESI Legacy Imaging Surveys DR8 photometric redshifts J/A+A/659/A1 : LOFAR Two-metre Sky Survey (LoTSS) DR2 (Shimwell+, 2022) J/A+A/678/A151 : LoTSS DR2 optical IDs (Hardcastle+, 2023) J/A+A/672/A163 : Properties of the 2060 giant radio galaxies (Oei+, 2023) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/686/A169 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/686/A169 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/686/A169 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/686/A169 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/686/A169 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/686/A169 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/686/A169/tablea1 (Basic information for the FinAGN) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/686/A169/tablea1? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/686/A169/tablea1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/686/A169/tablea1? 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28430 28435 28450 28452 28461 28466 28477 28490 28497 28500-28501 28503 28509-28510 28513-28514 28518-28519 28521-28523 28529 28532-28533 28539 28541-28544 28552 28561 28563 28565-28566 28571 28573 28578 28580 28583 28591 28606 28608 28611 28613 28616 28618-28619 28622 28625 28629-28630 28635 28637-28639 28643 28645-28646 28650-28651 28653-28655 28664-28665 28669 28671 31367 31396-31397 31432 31458 31460 31463 31482 31546 31623 31635 31645-31646 31654 31660-31661 31666 31676-31677 31693-31695 32421 32423 32447 32491 32613 32616-32617 32623 32660 32662 32665 32674 32678 32682 32684 32687 32690-32691 32695-32696 32698 32702 32707-32708 32714 32719 32721 32730-32731 32739 32744 32749-32750 32756 32758 32762 32766 36794 49106 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/686/A169?format=ascii Optical Radio default J/A+A/686/A169/tablea1 Basic information for the FinAGN recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Source Unique ID for radio sources from the LoTSS DR2, ILT JHHMMSS.ss+DDMMSS.s or SDSS JHHMMSS.ss+DDMMSS.s. Sources without a LoTSS DR2 ID are named based on the sky coordinates in the SDSS. meta.id;meta.main char LS ? Unique ID in the Legacy Surveys (1) meta.id nullable Plate ? SDSS plate ID if a SDSS counterpart is present meta.id int nullable MJD ? SDSS MJD ID. if a SDSS counterpart is present meta.id int nullable Fiber ? SDSS Fiber ID if a SDSS counterpart is present meta.id int nullable RAJ2000 Right ascension (J2000) of the optical counterpart deg pos.eq.ra;meta.main DEJ2000 Declination (J2000) of the optical counterpart deg pos.eq.dec;meta.main z Best redshift measurement src.redshift float r_z Source of the redshift (2) meta.ref;pos.frame char PAradio Position angle of the radio source, defined from north to east deg pos.posAng float PAopt Position angle of the optical source, defined from north to east deg pos.posAng float dPA Radio-optical misalignment angle deg pos.posAng float logM Stellar mass of the galaxy (3) log(solMass) src.class.starGalaxy float logL150 150MHz luminosity estimated in this work log(W.Hz**-1) phys.luminosity;em.radio.100-200MHz float b/a Opitical axis ratio (4) phys.angSize;arith.ratio float AngSize Projected largest angular size of the radio source arcsec phys.angSize;stat.max float Sp Interactive spectrum from SDSS-DR14 meta.ref.url char Size Projected linear size of the radio source. kpc phys.size float CatSource Source catalogue of which the radio source is from (5) meta.bib char