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<ri:Resource created="2011-07-19T11:31:59Z" status="active" updated="2025-05-19T09:50:00Z" 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>Most luminous dusty galaxies</title><shortName>J/ApJ/698/1682</shortName><identifier>ivo://CDS.VizieR/J/ApJ/698/1682</identifier><altIdentifier>doi:10.26093/cds/vizier.16981682</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Weedman D.W.</name></creator><creator><name>Houck J.R.</name></creator><date role="Updated">2017-06-29T08:56:00Z</date><date role="Created">2011-07-19T11:31:59Z</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>active-galactic-nuclei</subject><subject>infrared-astronomy</subject><subject>spectroscopy</subject><subject>redshifted</subject><description>A summary of mid-infrared continuum luminosities arising from dust is given for very luminous galaxies, L_IR_&gt;10^12^L_{sun}_, with 0.005&lt;z&lt;3.2 containing active galactic nuclei (AGNs), including 115 obscured AGNs and 60 unobscured (type 1) AGNs. All sources have been observed with the Spitzer Infrared Spectrograph. Obscured AGNs are defined as having optical depth {tau}&gt;0.7 in the 9.7um silicate absorption feature (i.e., half of the continuum is absorbed) and having equivalent width of the 6.2um polycyclic aromatic hydrocarbon feature &lt;0.1um (to avoid sources with a significant starburst component). Unobscured AGNs are defined as those that show silicate in emission. Luminosity {nu}L_{nu}_(8um) for the most luminous obscured AGNs is found to scale as (1+z)^2.6^ to z=2.8. For unobscured AGNs, the scaling with redshift is similar, but luminosities {nu}L_{nu}_(8um) are approximately three times greater for the most luminous sources. Using both obscured and unobscured AGNs having total infrared fluxes from the Infrared Astronomical Satellite, empirical relations are found between {nu}L_{nu}_(8um) and L_IR_.</description><source format="bibcode">2009ApJ...698.1682W</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/698/1682</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/ApJ/693/370">J/ApJ/693/370 : 24um flux-limited sample of galaxies (Weedman+, 2009)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/395/1695">J/MNRAS/395/1695 : Spitzer mid-IR spectroscopy of LIRGs (Hernan-Caballero+,</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/683/114">J/ApJ/683/114 : IRS spectra of faint IRAS sources (Sargsyan+, 2008)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/658/778">J/ApJ/658/778 : Spitzer mid-IR spectroscopy of z~2 ULIRGs (Yan+, 2007)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/671/323">J/ApJ/671/323 : Spitzer Spectra of a 10mJy galaxy sample (Houck+, 2007)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/133/186">J/AJ/133/186 : Optical spectroscopy of 77 luminous AGNs and QSOs (Lacy+,</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/642/673">J/ApJ/642/673 : IR-selected obscured AGN candidates (Polletta+, 2006)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/653/127">J/ApJ/653/127 : 9.7um silicate features in AGNs (Shi+, 2006)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/MNRAS/372/741">J/MNRAS/372/741 : SXDF 100{mu}Jy catalogue (Simpson+, 2006)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/131/2859">J/AJ/131/2859 : Extragalactic First Look Survey: 24{mu}m data (Fadda+, 2006)</relatedResource><relatedResource>http://www.sdss.org/ : Sloan Digital Sky Survey home page</relatedResource></relationship></content><rights>https://cds.unistra.fr/vizier-org/licences_vizier.html</rights><capability><interface xsi:type="vr:WebBrowser"><accessURL use="full">https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/698/1682</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/698/1682</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/698/1682</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/698/1682</accessURL><mirrorURL title="VizieR at IUCAA: 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