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<ri:Resource created="2006-11-02T09:26:03Z" 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>Catalogue of RR Lyrae from NSVS</title><shortName>J/MNRAS/368/1757</shortName><identifier>ivo://CDS.VizieR/J/MNRAS/368/1757</identifier><altIdentifier>doi:10.26093/cds/vizier.73681757</altIdentifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>Wils P.</name></creator><creator><name>Lloyd C.</name></creator><creator><name>Bernhard K.</name></creator><date role="Updated">2024-07-02T20:17:21Z</date><date role="Created">2006-11-02T09:26:03Z</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>population-ii-stars</subject><subject>variable-stars</subject><subject>photometry</subject><description>A search for RR Lyrae stars has been conducted in the publicly available data of the Northern Sky Variability Survey. Candidates have been selected by the statistical properties of their variation; the standard deviation, skewness and kurtosis with appropriate limits determined from a sample 314 known RRab and RRc stars listed in the General Catalogue of Variable Stars. From the period analysis and light-curve shape of over 3000 candidates 785 RR Lyrae have been identified of which 188 are previously unknown. The light curves were examined for the Blazhko effect and several new stars showing this were found. Six double-mode RR Lyrae stars were also found of which two are new discoveries. Some previously known variables have been reclassified as RR Lyrae stars and similarly some RR Lyrae stars have been found to be other types of variable, or not variable at all.</description><source format="bibcode">2006MNRAS.368.1757W</source><referenceURL>https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/368/1757</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/II/250">II/250 : Combined General Catalogue of Variable Stars (Samus+ 2004)</relatedResource><relatedResource>ftp://skydot.lanl.gov/pub/projects/skydot/nsvs/red_variables/ : NSVS 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the NSVS database</description><column><name>Type</name><description>Variability type</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="4*">char</dataType></column><column><name>Name</name><description>Other identification</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="26*">char</dataType></column><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>NSVS</name><description>Identification number in Wozniak et al., 2004AJ....127.2436W</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>RAJ2000</name><description>Right Ascension J2000 (degrees) (1)</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DEJ2000</name><description>Declination J2000 (degrees) (1)</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd></column><column><name>magMax</name><description>Maximum NSVS magnitude (CCD unfiltered)</description><unit>mag</unit><ucd>phot.mag;em.opt</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>magMin</name><description>Minimum NSVS magnitude (CCD unfiltered)</description><unit>mag</unit><ucd>phot.mag;em.opt</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Per</name><description>Fundamental period</description><unit>d</unit><ucd>time.period</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>HJDMax</name><description>Epoch of maximum light</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column></table><table><name>J/MNRAS/368/1757/table2</name><description>Confirmed RR Lyrae stars from the GCVS excluded by the selection criteria (for details see paper)</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>NSVS</name><description>Identification number in Wozniak et al., 2004AJ....127.2436W</description><ucd>meta.id</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>RAJ2000</name><description>Right Ascension J2000 (degrees) (1)</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd></column><column><name>DEJ2000</name><description>Declination J2000 (degrees) (1)</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd></column><column><name>magMax</name><description>Maximum NSVS magnitude (CCD unfiltered)</description><unit>mag</unit><ucd>phot.mag;em.opt</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>magMin</name><description>Minimum NSVS magnitude (CCD unfiltered)</description><unit>mag</unit><ucd>phot.mag;em.opt</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Type</name><description>Variability type</description><ucd>meta.note</ucd><dataType xsi:type="vs:VOTableType" arraysize="4*">char</dataType></column><column><name>Per</name><description>Fundamental period</description><unit>d</unit><ucd>time.period</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>HJDMax</name><description>Epoch of maximum light</description><unit>d</unit><ucd>time.epoch</ucd><dataType xsi:type="vs:VOTableType">double</dataType></column><column><name>Name</name><description>Other identification</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType" arraysize="26*">char</dataType></column></table></schema></tableset></ri:Resource>