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<ri:Resource created="2017-12-11T10:44:31Z" 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>NLS1s 2MASS and WISE photometry</title><shortName>J/other/NewA/54.</shortName><identifier>ivo://CDS.VizieR/J/other/NewA/54.30</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Chen P.S.</name></creator><creator><name>Liu J.Y.</name></creator><creator><name>Shan H.G.</name></creator><date role="Updated">2017-12-11T10:22:30Z</date><date role="Created">2017-12-11T10:44:31Z</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>galaxies</subject><subject>visible-astronomy</subject><subject>infrared-sources</subject><subject>infrared-photometry</subject><description>The infrared photometric study of SDSS selected Narrow Line Seyfert 1 Galaxies (NLS1s) is presented in this paper. We have made cross-identifications for such NLS1s with 2MASS and WISE observations. Finally 992 NLS1s have 2MASS and WISE counterparts. Comparisons of NLS1s with the Broad Line Seyfert 1 (BLS1s) and Seyfert 2 galaxies are made. It is shown that from 1um to 5um NLS1s are redder than BLS1s and Seyfert 2 galaxies possibly due to the richer dust environment in NLS1 nuclei or to the orientation effect while in the longer wavelengths those three kinds of sources have quite similar behavior indicative of radiation mainly from the similar warm starburst-related dust and the related AGN dust. In addition, relations between infrared colors and related (to H{beta}) strengths of some important lines are also investigated. The results show that the related strengths of [FeII] 4570{AA} are positively correlated with infrared colors in the 1-5um region, but negatively correlated with infrared colors in the 12-22um region; the related strength of [OIII] 5007{AA} are negatively correlated with infrared colors in the 1-5um region, but positively correlated with infrared colors in the 12-22um region; the related strength of [NII]6583{AA} are also negatively correlated with infrared colors in the 1-5um region, but positively correlated with infrared colors in the 12-22um region. Therefore it is indicated that the behavior of [FeII] 4570{AA} is just opposed to that for [OIII] 5007{AA} and [NII] 6583{AA} This result may be caused by different origins of such lines.</description><source format="bibcode">2017NewA...54...30C</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/NewA/54.30</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/II/246">II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/II/311">II/311 : WISE All-Sky Data Release (Cutri+ 2012)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/166/128">J/ApJS/166/128 : Narrow line Seyfert 1 galaxies from SDSS-DR3 (Zhou+, 2006)</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/other/NewA/54.30</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/other/NewA/54.30</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/other/NewA/54.30</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/other/NewA/54.30</accessURL><mirrorURL title="VizieR at IUCAA: Pune, 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