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<ri:Resource created="2019-08-13T08:03:15Z" 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>Mt Wilson sunspot magnetic field measurements</title><shortName>J/A+A/628/A103</shortName><identifier>ivo://CDS.VizieR/J/A+A/628/A103</identifier><altIdentifier>doi:10.26093/cds/vizier.36280103</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Pevtsov A.A.</name></creator><creator><name>Tlatova K.A.</name></creator><creator><name>Pevtsov A.A.</name></creator><creator><name>Heikkinen E.</name></creator><creator><name>Virtanen I.,Karachik N.V.</name></creator><creator><name>Bertello L.</name></creator><creator><name>Tlatov A.G.</name></creator><creator><name>Ulrich R.</name></creator><creator><name>Mursula K.</name></creator><date role="Updated">2019-11-22T14:13:29Z</date><date role="Created">2019-08-13T08:03:15Z</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>the-sun</subject><subject>magnetic-fields</subject><description>Systematic observations of magnetic field strength and polarity in sunspots began at Mount Wilson Observatory (MWO), USA in early 1917. Except for a few brief interruptions, this historical dataset continues till present. Here file Figs3_5.txt contains data shown in Figures 3-5; files Fig6a.txt and Fig6b.txt contain data shown in Figure 6, and file Fig7.txt contain data for Figure 7.</description><source format="bibcode">2019A&amp;A...628A.103P</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/628/A103</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>related-to</relationshipType><relatedResource>ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA/SUNSPOT_REGIONS/Mt_Wilson : Data</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/628/A103</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/628/A103</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/628/A103</mirrorURL></interface></capability><capability><interface xsi:type="vs:ParamHTTP"><accessURL use="base">https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/628/A103</accessURL><mirrorURL title="VizieR at IUCAA: Pune, India">https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/628/A103</mirrorURL><mirrorURL title="VizieR at SAAO: SAAO, South Africa">http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/628/A103</mirrorURL><queryType>GET</queryType><resultType>text/xml+votable</resultType></interface></capability><capability standardID="ivo://ivoa.net/std/TAP#aux"><interface xsi:type="vs:ParamHTTP" role="std"><accessURL use="base">https://tapvizier.cds.unistra.fr/TAPVizieR/tap</accessURL></interface></capability><coverage><footprint ivo-id="ivo://ivoa.net/std/moc"/></coverage><tableset><schema><name>default</name><table><name>J/A+A/628/A103/figs3_5</name><description>Field strengths and radius of solar disk</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Time</name><description>Time</description><unit>yr</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Strength</name><description>Sunspot field strength</description><unit>G</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Rad</name><description>Radius of solar disk on drawing</description><unit>pix</unit><ucd>phys.angSize;src</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table><table><name>J/A+A/628/A103/fig6a</name><description>Field strengths of 50 sunspots observed at MWO</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BMWO</name><description>Field strength measured at MWO</description><unit>G/100</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BCrAO</name><description>Field strength measured at CrAO</description><unit>G/100</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table><table><name>J/A+A/628/A103/fig6b</name><description>Field strengths of 50 sunspots observed at Crimean Astrophysical Observatory</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BMWO</name><description>Field strength measured at MWO</description><unit>G/100</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BCrAO</name><description>Field strength measured at CrAO</description><unit>G/100</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table><table><name>J/A+A/628/A103/fig7</name><description>Field strengths of 50 sunspots observed at MWO and by VSM/SOLIS</description><column><name>recno</name><description>Record number assigned by the VizieR team. Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BSOLIS</name><description>Field strength measured by SOLIS</description><unit>G</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>BMWO</name><description>Field strength measured at MWO</description><unit>G</unit><ucd>phys.magField</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column></table></schema></tableset></ri:Resource>