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<ri:Resource created="2023-10-04T14:48:10Z" status="active" updated="2025-05-22T20:11:45Z" version="1.2" xmlns:cs="http://www.ivoa.net/xml/ConeSearch/v1.0" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/ConeSearch/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/ConeSearch.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>Luminosities &amp; peak frequencies of 4FGL blazars</title><shortName>J/ApJ/925/120</shortName><identifier>ivo://CDS.VizieR/J/ApJ/925/120</identifier><altIdentifier>doi:10.26093/cds/vizier.19250120</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Yang W.X.</name></creator><creator><name>Wang H.G.</name></creator><creator><name>Liu Y.</name></creator><creator><name>Yang J.H.</name></creator><creator><name>Xiao H.B.</name></creator><creator><name>Ye X.H.</name></creator><creator><name>Pei Z.Y.,Zhang L.X.</name></creator><creator><name>Fan J.H.</name></creator><date role="Updated">2025-05-22T20:11:45Z</date><date role="Created">2023-10-04T14:48:10Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>bl-lacertae-objects</subject><subject>quasars</subject><subject>active-galactic-nuclei</subject><subject>gamma-ray-astronomy</subject><subject>redshifted</subject><subject>visible-astronomy</subject><subject>x-ray-sources</subject><subject>radio-sources</subject><description>Blazars show extreme observational properties that are due to the beaming effect with the jet being close to the line of sight. It was found that the observed luminosity is anticorrelated with the synchrotron peak frequency but the debeamed luminosity and the frequency is positively correlated. In this work, we revisit this correlation for a large sample of 255 blazars from the fourth Fermi catalog with available Doppler factors. Our analysis comes to the following conclusions. (1) The observed radio, X-ray, {gamma}-ray, and synchrotron peak luminosity are all anticorrelated with the peak frequency, but the debeamed luminosity is positively correlated with the debeamed peak frequency. The anticorrelation is due to a selection effect or a beaming effect. (2) The Compton dominance parameter is correlated with both the bolometric luminosity and Doppler factor, implying that the more highly Compton-dominated sources are more luminous. (3) The bolometric luminosity can be represented by the {gamma}-ray luminosity for Fermi blazars.</description><source format="bibcode">2022ApJ...925..120Y</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/925/120</referenceURL><type>Catalog</type><contentLevel>Research</contentLevel><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/TAP">TAP VizieR generic service</relatedResource></relationship><relationship><relationshipType>IsServedBy</relationshipType><relatedResource>Conesearch service</relatedResource></relationship><relationship><relationshipType>related-to</relationshipType><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/123/79">J/ApJS/123/79 : Third EGRET catalog (3EG) (Hartman+, 1999)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/375/739">J/A+A/375/739 : Hard X-ray properties of blazars (Donato+, 2001)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/609/539">J/ApJ/609/539 : Kinematics of parsec-scale radio jets (Kellermann+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/434/385">J/A+A/434/385 : X-ray/radio data of high energy peaked BL Lacs (Giommi+, 2005)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/130/1389">J/AJ/130/1389 : Linear polarization of AGN jets at 15GHz (Lister+, 2005)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/488/867">J/A+A/488/867 : Synchrotron peak frequency of 135 AGN (Nieppola+, 2008)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/706/1253">J/ApJ/706/1253 : MOJAVE VII. 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>z</name><description>[0.018/3.033]? redshift</description><ucd>src.redshift</ucd><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>Class</name><description>4FGL Class (1)</description><ucd>src.class</ucd><dataType xsi:type="vs:VOTableType" arraysize="5*">char</dataType></column><column><name>lognu</name><description>[12.23/16.74] log, synchrotron peak frequency</description><unit>log(Hz)</unit><ucd>em.freq</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>logLp</name><description>[43.39/46.95] log, synchrotron peak luminosity</description><unit>log(1e-07W)</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>logLs</name><description>[43.7/47.31] log, integral synchrotron luminosity</description><unit>log(1e-07W)</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>4FGL</name><description>4FGL designation (JHHMM.m+DDMM)</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="12*">char</dataType></column><column><name>logLR</name><description>[39/44.61] log, radio luminosity (1.4GHz)</description><unit>log(1e-07W)</unit><ucd>phys.luminosity;em.radio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>logLO</name><description>[43/47.4]? log, optical luminosity (R-band)</description><unit>log(1e-07W)</unit><ucd>phys.luminosity;em.opt</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>logLX</name><description>[41.75/46.5]? log, X-ray luminosity</description><unit>log(1e-07W)</unit><ucd>phys.luminosity;em.X-ray</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>logLg</name><description>[44.38/49.1] log, gamma-ray luminosity (2)</description><unit>log(1e-07W)</unit><ucd>phys.luminosity;em.gamma</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Lbol</name><description>[44.56/49.1] log, bolometric luminosity</description><unit>log(1e-07W)</unit><ucd>phys.luminosity</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>dR</name><description>[0.2/88.5] Doppler factor from Liodakis+ (2018, J/ApJ/866/137)</description><ucd>spect.dopplerParam</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>L18</name><description>Display data from Liodakis+ 2018, J/ApJ/866/137 within 3"</description><ucd>meta.ref.url</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>_RA</name><description>Right Ascension (J2000) from SIMBAD (not part of the original data)</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd></column><column><name>_DE</name><description>Declination (J2000) from SIMBAD (not part of the original data)</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd></column></table></schema></tableset></ri:Resource>