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<ri:Resource created="2010-03-01T14:43:24Z" 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>NaI and CaII interstellar absorption</title><shortName>J/A+A/510/A54</shortName><identifier>ivo://CDS.VizieR/J/A+A/510/A54</identifier><altIdentifier>doi:10.26093/cds/vizier.35100054</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Welsh B.Y.</name></creator><creator><name>Lallement R.</name></creator><creator><name>Vergely J.-L.</name></creator><creator><name>Raimond S.</name></creator><date role="Updated">2017-10-13T15:41:00Z</date><date role="Created">2010-03-01T14:43:24Z</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>chemical-abundances</subject><subject>interstellar-medium</subject><description>We present new high resolution (R&gt;50000) absorption measurements of the NaI doublet (5889-5895{AA}) along 482 nearby sight-lines, in addition to 807 new measurements of the CaII K (3933{AA}) absorption line. We have combined these new data with previously reported measurements to produce a catalog of absorptions towards a total of 1857 early-type stars located within 800pc of the Sun. Using these data we have determined the approximate 3-dimensional spatial distribution of neutral and partly ionized interstellar gas density within a distance-cube of 300pc from the Sun.</description><source format="bibcode">2010A&amp;A...510A..54W</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/510/A54</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/ApJS/147/61">J/ApJS/147/61 : Interstellar Ca I absorption (Welty+, 2003)</relatedResource><relatedResource ivo-id="ivo://CDS.VizieR/J/A+A/441/181">J/A+A/441/181 : Interstellar ^12^C/^13^C ratios 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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>Name</name><description>HD or HIP number of the observed star</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="10*">char</dataType></column><column><name>GLON</name><description>Galactic longitude of star</description><unit>deg</unit><ucd>pos.galactic.lon</ucd></column><column><name>GLAT</name><description>Galactic latitude of star</description><unit>deg</unit><ucd>pos.galactic.lat</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>l_Dist</name><description>Limit glag on Dist</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>Dist</name><description>? Distance to star</description><unit>pc</unit><ucd>pos.distance;pos.heliocentric</ucd><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>l_EWD1</name><description>Limit flag on EWD1</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>EWD1</name><description>? Equivalent width of the NaI D1 line</description><unit>0.1pm</unit><ucd>spect.line.eqWidth</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>l_EWD2</name><description>Limit flag on EWD2</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>EWD2</name><description>? Equivalent width of the NaI D2 line</description><unit>0.1pm</unit><ucd>spect.line.eqWidth</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>l_N(NaI)</name><description>Limit flag on log[N(NaI)]</description><ucd>meta.code.error</ucd><dataType xsi:type="vs:VOTableType" arraysize="1*">char</dataType></column><column><name>N(NaI)</name><description>? Log of total NaI column density</description><unit>log(cm**-2)</unit><ucd>phys.columnDensity</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>r_N(NaI)</name><description>? 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