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<ri:Resource created="2008-07-10T07:48:35Z" 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>Survey for ionization in neutral gas galaxies. I.</title><shortName>J/ApJS/165/307</shortName><identifier>ivo://CDS.VizieR/J/ApJS/165/307</identifier><altIdentifier>doi:10.26093/cds/vizier.21650307</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Meurer G.R.</name></creator><creator><name>Hanish D.J.</name></creator><creator><name>Ferguson H.C.</name></creator><creator><name>Knezek P.M.</name></creator><creator><name>Kilborn V.A.,Putman M.E.</name></creator><creator><name>Smith R.C.</name></creator><creator><name>Koribalski B.</name></creator><creator><name>Meyer M.</name></creator><creator><name>Oey M.S.,Ryan-Weber E.V.</name></creator><creator><name>Zwaan M.A.</name></creator><creator><name>Heckman T.M.</name></creator><creator><name>Kennicutt R.C.Jr</name></creator><creator><name>Lee J.C.,Webster R.L.</name></creator><creator><name>Bland-Hawthorn J.</name></creator><creator><name>Dopita M.A.</name></creator><creator><name>Freeman K.C.</name></creator><creator><name>Doyle M.T.,Drinkwater M.J.</name></creator><creator><name>Staveley-Smith L.</name></creator><creator><name>Werk J.</name></creator><date role="Updated">2017-07-04T07:09:28Z</date><date role="Created">2008-07-10T07:48:35Z</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>catalogs</subject><subject>h-ii-regions</subject><description>We introduce the Survey for Ionization in Neutral Gas Galaxies (SINGG), a census of star formation in HI-selected galaxies. The survey consists of H{alpha} and R-band imaging of a sample of 468 galaxies selected from the HI Parkes All Sky Survey (HIPASS). The sample spans three decades in HI mass and is free of many of the biases that affect other star-forming galaxy samples. We present the criteria for sample selection, list the entire sample, discuss our observational techniques, and describe the data reduction and calibration methods. This paper focuses on 93 SINGG targets whose observations have been fully reduced and analyzed to date.</description><source format="bibcode">2006ApJS..165..307M</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/165/307</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/VIII/73">VIII/73 : HI Parkes All Sky Survey Catalogue (HIPASS) (Meyer+, 2004)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/123/873">J/AJ/123/873 : HIPASS high-velocity clouds (Putman+, 2002)</relatedResource><relatedResource 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