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<ri:Resource created="2012-01-06T11:57:55Z" 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>Arecibo Legacy Fast ALFA Survey. IX.</title><shortName>J/AJ/138/338</shortName><identifier>ivo://CDS.VizieR/J/AJ/138/338</identifier><altIdentifier>doi:10.26093/cds/vizier.51380338</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Stierwalt S.</name></creator><creator><name>Haynes M.P.</name></creator><creator><name>Giovanelli R.</name></creator><creator><name>Kent B.R.</name></creator><creator><name>Martin A.M.,Saintonge A.</name></creator><creator><name>Karachentsev I.D.</name></creator><creator><name>Karachentseva V.E.</name></creator><date role="Updated">2017-10-16T14:58:19Z</date><date role="Created">2012-01-06T11:57:55Z</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>surveys</subject><subject>h-i-line-emission</subject><subject>radio-galaxies</subject><subject>redshifted</subject><description>We present the catalog of HI sources extracted from the ongoing Arecibo Legacy Fast ALFA (ALFALFA) extragalactic HI line survey, found within the sky region bounded by 9:36&lt;RA&lt;11:36 and +08&lt;DE&lt;+12. The HI catalog presented here for this 118deg^2^ region is combined with the ones derived from surrounding regions also covered by the ALFALFA survey to examine the large-scale structure in the complex Leo region. Because of the combination of wide sky coverage and superior sensitivity, spatial and spectral resolution, the ALFALFA HI catalog of the Leo region improves significantly on the numbers of low HI mass sources as compared with those found in previous HI surveys.</description><source format="bibcode">2009AJ....138..338S</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/138/338</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/AJ/130/2613">J/AJ/130/2613 : Arecibo Legacy Fast ALFA survey. II (Giovanelli+, 2005)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/133/2569">J/AJ/133/2569 : Arecibo legacy Fast ALFA survey. III (Giovanelli+, 2007)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/135/588">J/AJ/135/588 : Arecibo legacy Fast ALFA survey. V (Saintonge+, 2008)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/AJ/136/713">J/AJ/136/713 : Arecibo legacy Fast ALFA survey. VI (Kent+, 2008)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/ApJS/183/214">J/ApJS/183/214 : Arecibo Legacy Fast Alfa Survey. 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