J/ApJ/893/L20ivo://CDS.VizieR/J/ApJ/893/L20doi:10.26093/cds/vizier.18939020CDSLiodakis I.Petropoulou M.2022-11-03T08:14:27Z2020-04-29T15:37:59ZCDS support team

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

cds-question@unistra.frgamma-ray-astronomyactive-galactic-nucleibl-lacertae-objectsmagnetic-fieldsThe origin of high-energy emission in blazars jets (i.e., leptonic versus hadronic) has been a longstanding matter of debate. Here, we focus on one variant of hadronic models where proton synchrotron radiation accounts for the observed steady {gamma}-ray blazar emission. Using analytical methods, we derive the minimum jet power (P_j,min_) for the largest blazar sample analyzed to date (145 sources), taking into account uncertainties of observables and jet's physical parameters. We compare P_j,min_ against three characteristic energy estimators for accreting systems, i.e., the Eddington luminosity, the accretion disk luminosity, and the power of the Blandford-Znajek process, and find that P_j,min_ is about 2 orders of magnitude higher than all energetic estimators for the majority of our sample. The derived magnetic field strengths in the emission region require either large amplification of the jet's magnetic field (factor of 30) or place the {gamma}-ray production site at sub-pc scales. The expected neutrino emission peaks at ~0.1-10EeV, with typical peak neutrino fluxes ~10^-4^ times lower than the peak {gamma}-ray fluxes. We conclude that if relativistic hadrons are present in blazar jets, they can only produce a radiatively subdominant component of the overall spectral energy distribution of the blazar's steady emission.2020ApJ...893L..20Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/893/L20CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/893/L20https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/893/L20http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/893/L20https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/893/L20https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/893/L20http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/893/L20GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/893/L20/table1 (Parameter estimates for the sources in our sample)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/893/L20/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/893/L20/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/893/L20/table1?GETtext/xml+votable180.050000true4.395-5.23469440.0055555555555555566/514 556 700 893 911 1546 2143 2228 2836 3820 3886 4285 4572 4695 4820 5353 5423 5448 5458 5597 5693 5817 5848 6018 6088 6641 6777 6948 6984 7004 7181 7226 7389 7446 7653 7896 8199 8299 8466 8487 8515 8615 9075 9442 9460 9612 9629 9632-9633 9676 9998 10006 10163 10352 10422 10548 10681 11430 11631 11639 12466 12475 12604 12619 13156 13352 13410 13572 13582 13693 13729 13927 14854 15023 15067 15147 15284 16027 16059 16281 16298 17184 17186 17364 17414 17541 17857 17927 18035 18624 18661 18718 19088 19190 19398 19593 19622 20099 20888 21266 21437 21768 21935 21960 21968 21972 22363 22917 22947 23099 23121 23127 23416 23691 24084 25302 25503 25630 25818 25864 26131 26292 26303 26340 26898 26900 27060 27243 27310 28479 28492 28517 29570 29772 31190 31430 31451 31664 31894 36554 40762 44908 45011 48595 49071https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/893/L20?format=asciiGamma-raydefaultJ/ApJ/893/L20/table1Parameter estimates for the sources in our samplee_logPBZUncertainty on Blandford-Znajek jet power (erg/s)log(1e-07W)stat.errorfloatlogEpkPeak energy of muon neutrinoslog(TeV)phys.energy;stat.maxfloatE_logEpkUpper uncertainty on peak energy of muon neutrinoslog(TeV)stat.error;stat.maxfloate_logEpkLower uncertainty on peak energy of muon neutrinoslog(TeV)stat.errorfloatlogFpkPeak flux of muon neutrinoslog(TeV.cm**-2.s**-1)em.energyfloatE_logFpkUpper uncertainty on peak flux of muon neutrinoslog(TeV.cm**-2.s**-1)stat.error;stat.maxfloate_logFpkLower uncertainty on peak flux of muon neutrinoslog(TeV.cm**-2.s**-1)stat.errorfloat_RApositions from http://astrogeo.org/fermi_vlbi/4fgl_vlbi_ass.txt (right ascension part)degpos.eq.ra;meta.main_DEpositions from http://astrogeo.org/fermi_vlbi/4fgl_vlbi_ass.txt (declination part)degpos.eq.dec;meta.mainrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameName (4FGLJHHMM.m+DDMM)meta.id;meta.maincharOnameAlternative namemeta.idcharEhPeak energy of high energy componentGeVphys.energy;stat.maxfloatlogLumhPeak luminosity of high energy component (erg/s)log(1e-07W)phys.luminosity;em.gammafloatBemMagnetic field strengthGphys.atmol.collStrength;obs.fieldfloatE_BemUpper uncertainty on magnetic field strengthGstat.error;stat.maxfloate_BemLower uncertainty on magnetic field strengthGstat.errorfloatlogPjminMinimum jet power, erg/slog(1e-07W)phys.luminosity;stat.minfloatE_logPjminUpper uncertainty on minimum jet power (erg/s)log(1e-07W)stat.error;stat.maxfloate_logPjminLower uncertainty on minimum jet power (erg/s)log(1e-07W)stat.errorfloatlogMBH? Black hole mass, solar unitslog(solMass)phys.massfloatnullablee_logMBH? Uncertainty on black hole masslog(solMass)stat.errorfloatnullablelogLumd? Accretion disk luminosity (erg/s)log(1e-07W)phys.luminosity;em.gammafloatnullablee_logLumd? Uncertainty on accretion disk luminosity (erg/s)log(1e-07W)stat.errorfloatnullableSimbadSimbad column added by the CDSmeta.ref.urlcharlogPBZBlandford-Znajek jet power (erg/s)log(1e-07W)phys.luminosityfloatf_logPBZ[1/2] Type of Blandford-Znajek jet power estimate (1)meta.codeint