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<ri:Resource created="2005-10-06T07:32:20Z" 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>Planetary nebulae as standard candles. IV.</title><shortName>J/ApJ/344/715</shortName><identifier>ivo://CDS.VizieR/J/ApJ/344/715</identifier><altIdentifier>doi:10.26093/cds/vizier.13440715</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Ciardullo R.</name></creator><creator><name>Jacoby G.H.</name></creator><creator><name>Ford H.C.</name></creator><date role="Updated">2017-09-22T16:16:07Z</date><date role="Created">2005-10-06T07:32:20Z</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>planetary-nebulae</subject><subject>galaxies</subject><description>We present the results of a planetary nebula survey of galaxies in the Leo I group performed with the Kitt Peak and Cerro Tololo 4m telescopes and on-band off-band {lambda}5007 interference filters. In all, we detected 249 PN candidates populating the top 1.5mag of the planetary nebula luminosity function (PNLF), including 93 in the E0 galaxy NGC 3379, 54 in the E6 galaxy NGC 3377, and 102 in the S0 spiral NGC 3384.</description><source format="bibcode">1989ApJ...344..715C</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/344/715</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/339/53">J/ApJ/339/53 : Paper II, M 31 (Ciardullo+, 1989)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/344/704">J/ApJ/344/704 : Paper III, M 81 (Jacoby+, 1989)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/356/332">J/ApJ/356/332 : Paper V, Virgo cluster (Jacoby+, 1990)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/365/471">J/ApJ/365/471 : Paper VI, Magellanic Clouds (Jacoby+, 1990)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/383/487">J/ApJ/383/487 : Paper VII, NGC 1023 group (Ciardullo+, 1991)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/416/62">J/ApJ/416/62 : Paper IX, Fornax cluster (McMillan+, 1993)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/462/1">J/ApJ/462/1 : Paper X, Coma I region (Jacoby+, 1996)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/479/231">J/ApJ/479/231 : Paper XI, M 101, M 51, M96 (Felmeier+, 1997)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJ/577/31">J/ApJ/577/31 : Paper XII, Pop I and Pop II (Ciardullo+, 2002)</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/344/715</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/344/715</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/344/715</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/344/715</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/344/715</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South 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