J/A+A/691/A203ivo://CDS.VizieR/J/A+A/691/A203doi:10.26093/cds/vizier.36910203CDSGupta K.K.Ricci C.Temple M.J.Tortosa A.Koss M.J.Assef R.J.,Bauer F.E.Mushotzy R.Ricci F.Ueda Y.Rojas A.F.Trakhtenbrot B.,Chang C.-S.Oh K.Li R.Kawamuro T.Diaz Y.Powell M.C.Stern D.,Urry C.M.Harrison F.Cenko B.2025-02-18T20:01:57Z2024-11-13T07:51:20ZCDS support team

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

cds-question@unistra.fractive-galactic-nucleiseyfert-galaxiesphotometryspectroscopyvisible-astronomyx-ray-sourcesultraviolet-astronomyWe present one of the largest multiwavelength studies of simultaneous optical-to-X-ray spectral energy distributions (SEDs) of unobscured (N_H<10^22cm^-2) active galactic nuclei (AGN) in the local Universe. Using a representative sample of hard-X-ray-selected AGN from the 70-month Swift/BAT catalog, with optical/UV photometric data from Swift/UVOT and X-ray spectral data from Swift/XRT, we constructed broadband SEDs of 236 nearby AGN (0.001<z<0.3). We employed GALFIT to estimate host galaxy with a reflection component to model the X-ray spectra and a dust-reddened multi-temperature blackbody to fit the optical/UV SED. We calculated intrinsic luminosities at multiple wavelengths, total bolometric luminosities (L_bol_), optical-to-X-ray spectral indices ({alpha}_ox_), and multiple bolometric corrections ({kappa}_{lambda}_) in the optical, UV, and X-rays. We used black hole masses obtained by reverberation mapping and the virial method to estimate Eddington ratios ({lambda}_Edd_) for all our AGN. We confirm the tight correlation (scatter=0.45dex) between UV (2500{AA}) and X-ray (2keV) luminosity for our sample. We observe a significant decrease in {alpha}_ox_ with Lbol} and {lambda}_Edd_, suggesting that brighter sources emit more UV photons per X-rays. We report a second-order regression relation (scatter=0.15dex) between the 2-10keV bolometric correction ({kappa}_2-10_) and {alpha}_ox_, which is useful to compute Lbol in the absence of multiband SEDs. We also investigate the dependence of optical/UV bolometric corrections on the physical properties of AGN and obtain a significant increase in the UV bolometric corrections ({kappa}_W2_ and {kappa}_M2_) with Lbol and {lambda}_Edd_, unlike those in the optical ({kappa}_V_ and {kappa}_B_), which are constant across five orders of L_bol and {lambda}_Edd_. We obtain significant dispersions (~0.1-1dex) in all bolometric corrections, and hence recommend using appropriate relations with observed quantities while including the reported scatter, instead of their median values.2024A&A...691A.203Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/691/A203CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/691/A203https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/691/A203http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/691/A203https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/691/A203https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/691/A203http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/691/A203GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/691/A203/tablea1 (*For all the 293 unobscured AGN sources in our sample, with simultaneous optical/UV and X-ray observations)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/691/A203/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/691/A203/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/691/A203/tablea1?GETtext/xml+votable180.050000true0.442-76.9540.0055555555555555566/134 406 731 941 1120 1263 1358 1405 1583 1841 1919 2216 2221 2505 2531 2551 3075 3233 3309 4215 4329 4369 4439 4488 4540 4558 4589 5964 5972 5975 5989 6097 6113 6466 6502 6583 6752 6920 6928 6977 7157 7159 7246 7361 7571 7606 7642 7713 7921 7952 8029 8071 8216 8299 8641 8812 8868 8922 9005 9099 9231 9490 9502 9665 9707 9942 10454 10475 10630 10662 10707 10788 10927 10991 11071 11388 11392 11490 11614-11615 11658 11668 11712 11842 11898 12025 12251 12254 12547 13179 13186 13202 13273 13541 13713 14051 14534 14858 14933 14960 15135 15351 16184 16301 16333 16805 16853 17052 17075 17162 17408 17448 17627 17727 17814 17846 17992 18407 18484 18524 18544 18769 18794 18918 18923 19283 19296 19400 19469 19746 19767 19797 19883 19932 20079 20201 20676 20750 21245 21953 21958 22261 22632 22637 22890 23010 23237 23622 24288 24381 24848 25054 25090 25153 25182 25273 25403 25480 25553 25580 25585 25619 25735 25965 26148 26300 26650 26767 26861 27382 27477 27486 27501 27721 27795 27803 27815 27976 28060 28275 28278 28471 28517 28535 28654 28719 29574 29795 29906 31401 31422 31940 32028 32279 32344 32456 32658 32931 32986 33038 33282 33394 33398 33930 33958 34034 34065 34104 34159 34294 34414 34430 34458 34730 34768 34812 34881 34983 35038 35184 35263 35702 35741 36005 36015 36158 36256 36323 36382 36396 36775 36786 37650 38268 38526 38817 39182 39295 39322 39349 39977 40258 40410 40500 40838 41014 41423 41435 41499 41929 42012 42027 42179 42852 43064 43546 43632 43649 43768 43806 43860 43877 44017 44448 44507 44526 44551 44668 44698 44722 44790 45220 45222 45446 45490 45500 45779 46124 46544 46831 47027 47120 47169 47222 47597 47971 48022 48394 48491 48614 49001 490423.377399441402775e-19 1.2058628298368645e-18https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/691/A203?format=asciiX-rayUVOpticaldefaultJ/A+A/691/A203/tablea1*For all the 293 unobscured AGN sources in our sample, with simultaneous optical/UV and X-ray observationsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharCtpName of the source counterpartmeta.idcharRAJ2000Right ascension of the source (J2000.0)degpos.eq.ra;meta.mainDEJ2000Declination of the source (J2000.0)degpos.eq.dec;meta.mainzRedshift of the sourcesrc.redshiftfloatDistLuminosity distance of the source (1)Mpcpos.distancefloatlog(NH)? Log of the X-ray column density of the source (2)log(cm**-2)phys.columnDensityfloatnullablel_log(NH)[UL -] Upper limit flag on the X-ray column density (3)meta.code.errorcharSimbadNameSimbad column added by the CDSmeta.idcharnullableJ/A+A/691/A203/tablea2*For all the 293 unobscured AGN sources in our sample, with simultaneous optical/UV and X-ray observationsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharObsIDObservation ID for the sourcemeta.id;obscharUVOT-TexpTotal Swift/UVOT exposure timestime.duration;obs.exposureintXRT-TexpTotal Swift/XRT exposure timestime.duration;obs.exposureintFiltersAll available Swift/UVOT filtersmeta.code;instr.filtercharJ/A+A/691/A203/tablea3*For all the 292 unobscured AGN sources in our sample, with optical/UV photometryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharFU? Source flux in the Swift/UVOT U band (1)1e-18W.m**-2phot.flux.density;em.opt.Ufloatnullablee_FU? Error on the source flux in the Swift/UVOT U band (1)1e-18W.m**-2stat.errorfloatnullableFV? Source flux in the Swift/UVOT V band (1)1e-18W.m**-2phot.flux.density;em.opt.Vfloatnullablee_FV? Error on the source flux in the Swift/UVOT V band (1)1e-18W.m**-2stat.errorfloatnullableFB? Source flux in the Swift/UVOT B band (1)1e-18W.m**-2phot.flux.density;em.opt.Bfloatnullablee_FB? Error on the source flux in the Swift/UVOT B band (1)1e-18W.m**-2stat.errorfloatnullableFUVW1? Source flux in the Swift/UVOT UVW1 band (1)1e-18W.m**-2phot.flux;em.UVfloatnullablee_FUVW1? Error on the source flux in the Swift/UVOT UVW1 band (1)1e-18W.m**-2stat.errorfloatnullablee_FUVW2? Error on the source flux in the Swift/UVOT UVW2 band (1)1e-18W.m**-2stat.errorfloatnullableFUVM2? Source flux in the Swift/UVOT UVM2 band (1)1e-18W.m**-2phot.flux;em.UVfloatnullablee_FUVM2? Error on the source flux in the Swift/UVOT UVM2 band (1)1e-18W.m**-2stat.errorfloatnullableFUVW2? Source flux in the Swift/UVOT UVW2 band (1)1e-18W.m**-2phot.flux;em.UVfloatnullableJ/A+A/691/A203/tablea4*For all the 292 unobscured AGN sources in our sample, with optical/UV photometryUmag? Source magnitude in the Swift/UVOT U band (AB)magphot.mag;em.opt.Ufloatnullablee_Umag? Error on the source magnitude in the Swift/UVOT U band (AB)magstat.error;phot.magfloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharVmag? Source magnitude in the Swift/UVOT V band (AB)magphot.mag;em.opt.Vfloatnullablee_Vmag? Error on the source magnitude in the Swift/UVOT V band (AB)magstat.error;phot.magfloatnullableBmag? Source magnitude in the Swift/UVOT B band (AB)magphot.mag;em.opt.Bfloatnullablee_Bmag? Error on the source magnitude in the Swift/UVOT B band (AB)magstat.error;phot.magfloatnullableUVW1mag? Source magnitude in the Swift/UVOT UVW1 band (AB)magphot.mag;em.UVfloatnullablee_UVW1mag? Error on the source magnitude in the Swift/UVOT UVW1 band (AB)magstat.error;phot.magfloatnullableUVM2mag? Source magnitude in the Swift/UVOT UVM2 band (AB)magphot.mag;em.UVfloatnullablee_UVM2mag? Error on the source magnitude in the Swift/UVOT UVM2 band (AB)magstat.error;phot.magfloatnullableUVW2mag? Source magnitude in the Swift/UVOT UVW2 band (AB)magphot.mag;em.UVfloatnullablee_UVW2mag? Error on the source magnitude in the Swift/UVOT UVW2 band (AB)magstat.error;phot.magfloatnullableJ/A+A/691/A203/tablea5*For all the 290 unobscured AGN sources in our sample, with X-ray spectroscopyBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharGammaPhoton index of the X-ray power lawmeta.code;phys.luminosityfloate_Gamma? Lower error on the photon indexstat.errorfloatnullableE_Gamma? Upper error on the photon indexstat.error;stat.maxfloatnullableF(2-10)Flux in the 2-10 keV energy range (1)1e-15W.m**-2phot.flux;em.X-rayfloate_F(2-10)Lower error on the 2-10 keV flux (1)1e-15W.m**-2stat.errorfloatE_F(2-10)Upper error on the 2-10 keV flux (1)1e-15W.m**-2stat.error;stat.maxfloatModelBest-fit X-ray modelstat.param;meta.modelledcharStatisticC-statistic of the best fitstat.fit.paramfloatDofDegrees of freedomstat.fit.doffloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintJ/A+A/691/A203/tablea6*For all the 236 unobscured AGN sources in our final SED samplee_FUVW2? Error on the AGN flux in the Swift/UVOT UVW2 band (1)1e-17W.m**-2.nm**-1stat.errorfloatnullablef_FUVW2[op-] Flag for the AGN flux in the Swift/UVOT UVW2 band (2)meta.codecharFlag[c-] Flag for the final GALFIT-estimated fluxes (3)meta.code.errorcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharFV? AGN flux in the Swift/UVOT V band (1)1e-17W.m**-2.nm**-1phot.flux.density;em.opt.Vfloatnullablee_FV? Error on the AGN flux in the Swift/UVOT V band (1)1e-17W.m**-2.nm**-1stat.errorfloatnullablef_FV[op-] Flag for the AGN flux in the Swift/UVOT V band (2)meta.codecharFB? AGN flux in the Swift/UVOT B band (1)1e-17W.m**-2.nm**-1phot.flux.density;em.opt.Bfloatnullablee_FB? Error on the AGN flux in the Swift/UVOT B band (1)1e-17W.m**-2.nm**-1stat.errorfloatnullablef_FB[op-] Flag for the AGN flux in the Swift/UVOT B band (2)meta.codecharFU? AGN flux in the Swift/UVOT U band (1)1e-17W.m**-2.nm**-1phot.flux.density;em.opt.Ufloatnullablee_FU? Error on the AGN flux in the Swift/UVOT U band (1)1e-17W.m**-2.nm**-1stat.errorfloatnullablef_FU[op-] Flag for the AGN flux in the Swift/UVOT U band (2)meta.codecharFUVW1AGN flux in the Swift/UVOT UVW1 band (1)1e-17W.m**-2.nm**-1phot.flux;em.UVfloate_FUVW1Error on the AGN flux in the Swift/UVOT UVW1 band (1)1e-17W.m**-2.nm**-1stat.errorfloatf_FUVW1[op-] Flag for the AGN flux in the Swift/UVOT UVW1 band (2)meta.codecharFUVM2? AGN flux in the Swift/UVOT UVM2 band (1)1e-17W.m**-2.nm**-1phot.flux;em.UVfloatnullablee_FUVM2? Error on the AGN flux in the Swift/UVOT UVM2 band (1)1e-17W.m**-2.nm**-1stat.errorfloatnullablef_FUVM2[op-] Flag for the AGN flux in the Swift/UVOT UVM2 band (2)meta.codecharFUVW2? AGN flux in the Swift/UVOT UVW2 band (1)1e-17W.m**-2.nm**-1phot.flux;em.UVfloatnullableJ/A+A/691/A203/tablea7*For all the 236 unobscured AGN sources in our final SED samplerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharVmag? AGN magnitude in the Swift/UVOT V band (AB)magphot.mag;em.opt.Vfloatnullablee_Vmag? Error on the AGN magnitude in the Swift/UVOT V band (AB)magstat.error;phot.magfloatnullablef_Vmag[op-] Flag for the AGN magnitude in the Swift/UVOT V band (1)meta.codecharBmag? AGN magnitude in the Swift/UVOT B band (AB)magphot.mag;em.opt.Bfloatnullablee_Bmag? Error on the AGN magnitude in the Swift/UVOT B band (AB)magstat.error;phot.magfloatnullablef_Bmag[op-] Flag for the AGN magnitude in the Swift/UVOT B band (1)meta.codecharUmag? AGN magnitude in the Swift/UVOT U band (AB)magphot.mag;em.opt.Ufloatnullablee_Umag? Error on the AGN magnitude in the Swift/UVOT U band (AB)magstat.error;phot.magfloatnullablef_Umag[op-] Flag for the AGN magnitude in the Swift/UVOT U band (1)meta.codecharUVW1magAGN magnitude in the Swift/UVOT UVW1 band (AB)phot.mag;em.UVfloate_UVW1magError on the AGN magnitude in the Swift/UVOT UVW1 band (AB)stat.errorfloatf_UVW1mag[op-] Flag for the AGN magnitude in the Swift/UVOT UVW1 band (1)meta.codecharUVM2mag? AGN magnitude in the Swift/UVOT UVM2 band (AB)magphot.mag;em.UVfloatnullablee_UVM2mag? Error on the AGN magnitude in the Swift/UVOT UVM2 band (AB)magstat.error;phot.magfloatnullablef_UVM2mag[op-] Flag for the AGN magnitude in the Swift/UVOT UVM2 band (1)meta.codecharUVW2mag? AGN magnitude in the Swift/UVOT UVW2 band (AB)magphot.mag;em.UVfloatnullablee_UVW2mag? Error on the AGN magnitude in the Swift/UVOT UVW2 band (AB)magstat.error;phot.magfloatnullablef_UVW2mag[op-] Flag for the AGN magnitude in the Swift/UVOT UVW2 band (1)meta.codecharFlag[c-] Flag for the final GALFIT-estimated magnitudes (2)meta.code.errorcharJ/A+A/691/A203/tablea8*For all the 236 unobscured AGN sources in our final SED sampleE_kTmax? Upper error on the maximum disk temperatureeVstat.error;stat.maxfloatnullableE(B-V)HGDust extinction due to host galaxyphys.absorptionfloatl_E(B-V)HG[UL -] Upper limit flag for the host galaxy dust extinction (1)meta.code.errorcharFuvoFlux in the 10^-7^ to 0.1keV optical/UV energy range (2)1e-14W.m**-2phot.flux.densityfloate_FuvoLower error on the flux in the 10^-7^ to 0.1keV optical/UV energy range (2)1e-14W.m**-2stat.errorfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharkTmaxMaximum disk temperatureeVphys.temperaturefloate_kTmax? Lower error on the maximum disk temperatureeVstat.errorfloatnullablee_E(B-V)HG? Lower error on the dust extinction due to host galaxystat.errorfloatnullableE_E(B-V)HG? Upper error on the dust extinction due to host galaxystat.error;stat.maxfloatnullableE_FuvoUpper error on the flux in the 10^-7^ to 0.1keV optical/UV energy range (2)1e-14W.m**-2stat.error;stat.maxfloatFlag[te- ] Flag for the SED fitting procedure (3)meta.code.errorcharJ/A+A/691/A203/tablea9*For all the 236 unobscured AGN sources in our final SED samplee_k4400Lower error on the bolometric correction at 4400{AA}stat.errorfloatE_k4400Upper error on the bolometric correction at 4400{AA}stat.error;stat.maxfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharL2500Log of the intrinsic, monochromatic luminosity at 2500{AA}log(1e-07W)phys.luminosityfloatL2keVLog of the intrinsic, monochromatic luminosity at 2keVlog(1e-07W)phys.luminosity;em.X-rayfloatLbolLog of the bolometric luminositylog(1e-07W)phys.luminosityfloatMBH? Log of the black hole mass (1)solMassphys.massfloatnullablealphaoxOptical-to-X-ray spectral indexspect.indexfloate_alphaoxLower error on the optical-to-X-ray spectral indexstat.errorfloatE_alphaoxUpper error on the optical-to-X-ray spectral indexstat.error;stat.maxfloatk4400Bolometric correction at 4400{AA}phot.mag.bcfloatk(2-10)Bolometric correction in 2-10keV energy rangephot.mag.bcfloate_k(2-10)Lower error on the bolometric correction in 2-10keV energy rangestat.errorfloatE_k(2-10)Upper error on the bolometric correction in 2-10keV energy rangestat.error;stat.maxfloatER? Log of Eddington ratiophys.luminosity;arith.ratiofloatnullableJ/A+A/691/A203/tablea10*For all the 236 unobscured AGN sources in our final SED sampleBATBAT ID of the sourcemeta.idintSwiftSwift ID of the sourcemeta.id;meta.maincharkVBolometric correction in the Swift/UVOT V bandphot.mag.bcfloatkBBolometric correction in the Swift/UVOT B bandphot.mag.bcfloatkUBolometric correction in the Swift/UVOT U bandphot.mag.bcfloatkUVW1Bolometric correction in the Swift/UVOT UVW1 bandphot.mag.bcfloatkUVM2Bolometric correction in the Swift/UVOT UVM2 bandphot.mag.bcfloatkUVW2Bolometric correction in the Swift/UVOT UVW2 bandphot.mag.bcfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint