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<ri:Resource created="2015-07-29T08:39:09Z" status="active" updated="2025-05-19T09:50:00Z" version="1.2" 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/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>Global HI content from a stacking experiment</title><shortName>J/A+A/580/A43</shortName><identifier>ivo://CDS.VizieR/J/A+A/580/A43</identifier><altIdentifier>doi:10.26093/cds/vizier.35800043</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Gereb K.</name></creator><creator><name>Morganti R.</name></creator><creator><name>Oosterloo T.A.</name></creator><creator><name>Hoppmann L.</name></creator><creator><name>Staveley-Smith L.</name></creator><date role="Updated">2015-12-02T07:28:47Z</date><date role="Created">2015-07-29T08:39:09Z</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>spectroscopy</subject><subject>radio-astronomy</subject><description>We study the atomic neutral hydrogen (HI) content of ~1600 galaxies up to z~0.1 using stacking techniques. The observations were carried out with the Westerbork Synthesis Radio Telescope (WSRT) in the area of the SDSS South Galactic Cap (SSGC), where we selected a galaxy sample from the SDSS spectroscopic catalog. Multi-wavelength information is provided by SDSS, NVSS, GALEX, and WISE. We use the collected information to study HI trends with color, star-forming, and active galactic nuclei (AGN) properties. 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