J/MNRAS/492/1887ivo://CDS.VizieR/J/MNRAS/492/1887doi:10.26093/cds/vizier.74921887CDSGuo X.Gu Q.Ding N.Contini E.Chen Y.2024-08-20T20:15:27Z2023-05-24T14:53:54ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.fractive-galactic-nucleigalaxiesredshiftedx-ray-sourcesinfrared-photometryultraviolet-photometryThe physical parameters of galaxies and/or active galactic nucleus (AGNs) can be derived by fitting their multiband spectral energy distributions (SEDs). By using CIGALE code, we perform multiband SED fitting (from ultraviolet to infrared) for 791 X-ray sources (518 AGNs and 273 normal galaxies) in the 7 Ms Chandra Deep Field-south survey (CDFS). We consider the contributions from AGNs and adopt more accurate redshifts than published before. Therefore, more accurate star formation rates (SFRs) and stellar masses (M_*_) are derived. We classify the 518 AGNs into type-I and type-II based on their optical spectra and their SEDs. Moreover, six AGN candidates are selected from the 273 normal galaxies based on their SEDs. Our main results are as follows: (1) the host galaxies of AGNs have larger M_*_ than normal galaxies, implying that AGNs prefer to host in massive galaxies; (2) the specific star formation rates (sSFRs) of AGN host galaxies are different from those of normal galaxies, suggesting that AGN feedback may play an important role in the star formation activity; (3) we find that the fraction of optically obscured AGNs in CDFS decreases with the increase of intrinsic X-ray luminosity, which is consistent with previous studies; and (4) the host galaxies of type-I AGNs tend to have lower M_*_ than type-II AGNs, which may suggest that dust in the host galaxy may also contribute to the optical obscuration of AGNs.2020MNRAS.492.1887Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/492/1887CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJS/228/2 : Chandra Deep Field-South survey: 7Ms sources (Luo+, 2017)J/ApJ/830/51 : FourStar galaxy evolution survey (ZFOURGE) (Straatman+, 2016)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/492/1887https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/492/1887http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/492/1887https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/492/1887https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/492/1887http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/492/1887GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/492/1887/table3 (Source catalogue)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/492/1887/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/492/1887/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/492/1887/table3?GETtext/xml+votable180.050000true52.9675833-27.69619440.0055555555555555566/35935 35957https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/492/1887?format=asciiX-rayUVInfrareddefaultJ/MNRAS/492/1887/table1The redshifts of 78 X-ray sources are not from 7 Ms cataloguezRedshiftsrc.redshiftfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintXID[78/908] X-ray source ID from Luo et al. (2017ApJS..228....2L, Cat. J/ApJS/228/2)meta.id;meta.mainintLXcorAbsorption-corrected intrinsic 0.5-7.0keV luminosity (1)1e-07Wphys.luminosity;em.X-raydoubleClass[AGN /Galaxy] Object classification from Luo et al. (2017ApJS..228....2L, Cat. J/ApJS/228/2)meta.code.class;src.classcharr_zReference for z (2)meta.ref;pos.framecharJ/MNRAS/492/1887/table3Source catalogueSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintXID[45/961] X-ray source ID from Luo et al. (2017ApJS..228....2L, Cat. J/ApJS/228/2)meta.id;meta.mainintzRedshiftsrc.redshiftfloatztype[phot/spec] Redshift type (photometric or spectroscopic)meta.codecharSFRStar formation ratesolMass/yrphys.SFRdoubleMassStellar masssolMassphys.massdoubleClassSource classification (AGN, Galaxy, Type-I or Type-II)src.classcharq_Class[Secure /Insecure] Quality of ClasssrccharClassSEDSED classification of the source (AGN, Galaxy, Type-I or Type-II)src.classcharq_ClassSED[Secure /Insecure] Quality of ClassSEDmeta.code.qualcharClassS04[Type-I /Type-II] Spectral classification from Szokoly et al. (2004ApJS..155..271S, Cat. J/ApJS/155/271)src.classcharClassM05[Type-I /Type-II] Spectral classification from Mignoli et al. (2005A&A...437..883M, Cat. J/A+A/437/883)src.classcharRemarksRemarksmeta.notechar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/MNRAS/492/1887/tabled1Output parameters of SED fitting and parameters mentioned in the paperrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintXID[45/961] X-ray source ID from Luo et al. (2017ApJS..228....2L, Cat. J/ApJS/228/2)meta.id;meta.mainintSFRStar formation rate (1)solMass/yrphys.SFRdoublee_SFRError on SFR (1)solMass/yrstat.error;phys.SFRdoubleMassStellar mass (1)solMassphys.massdoublee_MassError on Mass (1)solMassstat.error;phys.massdoubleLdustDust luminosity (1)1e-07Wphys.luminosity;em.IRdoublee_LdustError on Ldust (1)1e-07Wstat.errordoublefAGN? Fraction of AGN (1)stat.fit.paramdoublenullablee_fAGN? Error on fAGN (1)stat.errordoublenullableLAGN? AGN luminosity (1)1e-07Wphys.luminosity;em.UVdoublenullablee_LAGN? Error on LAGN (1)1e-07Wstat.errordoublenullableLUVRest-frame UV luminosity (2)1e-07Wphys.luminosity;em.UVdoubleLIRRest-frame IR luminosity (2)1e-07Wphys.luminosity;em.IRdoublenuLnu6um? Rest-frame 6{mu}m luminosity for AGN component as derived from SED fitting (3)1e-07Wphys.luminosity;em.IR.4-8umdoublenullable