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<ri:Resource created="2026-04-10T09:17:14Z" status="active" updated="2026-05-04T07:43:19Z" 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>Extinction distances for planetary nebulae</title><shortName>J/A+A/708/A191</shortName><identifier>ivo://CDS.VizieR/J/A+A/708/A191</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Deng J.</name></creator><creator><name>Wang S.</name></creator><creator><name>Jiang B.</name></creator><creator><name>Deng L.</name></creator><date role="Updated">2026-05-04T07:43:19Z</date><date role="Created">2026-04-10T09:17:14Z</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>stellar-distance</subject><subject>visible-astronomy</subject><description>Although Gaia has identified the central stars of planetary nebulae (CSPNe) for about 70% of known Galactic planetary nebulae (PNe), reliable distance estimates remain highly incomplete, with fewer than one quarter having accurate parallaxes. Mean-while, the classical extinction-distance sample has long been limited to about 70 objects, accounting for only 1.8 of the Galactic PNe population. We aim to obtain a large and homogeneous catalogue of PN distances by refining extinction-distance measurements with Gaia DR3, providing a complementary method to CSPN-parallax-based distances. We developed a Gaia-based extinction-distance method for PNe by combining an improved blue-edge approach with an extinction-jump model. Planetary nebula distances were inferred from stellar extinction jumps in line-of-sight extinction-distance profiles and constrained by comparisons with published distances, stellar spatial distributions relative to the PN centre, and the PN radius-distance relation. We obtain distances for 1066 PNe, with a median relative uncertainty of 13% and below 20% for about 87% of the sample. This sample includes 765 objects whose CSPN parallaxes have relative uncertainties greater than 20% and 128 objects without CSPN parallaxes. Our method not only complements CSPN parallax-based approaches for PN distance determination but also extends the traditional extinction-based approach to higher Galactic latitudes. In cases where published distance estimates for the same PN differ significantly, the method helps identify the more reliable distance. In addition, it helps evaluate the reliability of CSPN identifications. We find a likely misidentification in the reported CSPN for Fr2-36, and further analyse 33 PNe with two different CSPNe identifications, suggesting a more suitable CSPN for 15 objects. The resulting catalogue is the largest homogeneous set of extinction-based PN distances to date and provides a robust benchmark for studies of Galactic structure, PN populations, and interstellar extinction.</description><source format="bibcode">2026A&amp;A...708A.191D</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/708/A191</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></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/A+A/708/A191</accessURL><mirrorURL title="VizieR at IUCAA: Pune, 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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>PNG</name><description>PN G designation (Galactic coordinate identifier) LLL.l+BB.ba</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="11*">char</dataType></column><column><name>Name</name><description>Common planetary nebula name</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="25*">char</dataType></column><column><name>D</name><description>Extinction distance</description><unit>pc</unit><ucd>pos.distance</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>e_D</name><description>Uncertainty of extinction distance</description><unit>pc</unit><ucd>stat.error</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Q</name><description>[1/3] Quality flag indicating the reliability</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>SimbadName</name><description>Simbad column added by the CDS</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType" arraysize="41*">char</dataType><flag>nullable</flag></column><column><name>_Glon</name><description>Positions from PN G name (longitude part)</description><unit>deg</unit><ucd>pos.galactic.lon</ucd></column><column><name>_Glat</name><description>Positions from PN G name (latitude part)</description><unit>deg</unit><ucd>pos.galactic.lat</ucd></column><column><name>_RA.icrs</name><description>Right ascension (ICRS) (computed by VizieR, not part of the original data. 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