J/MNRAS/423/993ivo://CDS.VizieR/J/MNRAS/423/993doi:10.26093/cds/vizier.74230993CDSJurcsik J.Sodor A.Hajdu G.Szeidl B.Dozsa A.Posztobanyi K.,Smitola P.Belucz B.Feher V.Kovari Zs.Kriskovics L.Kun E.,Molnar L.Nagy I.Vida K.Gorog N.2024-07-18T20:18:36Z2013-05-06T14:46:07ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frvariable-starsphotometryThe analysis of recent, extended multicolour CCD and archive photoelectric, photographic and visual observations has revealed several important properties of RZ Lyr, an RRab-type variable exhibiting large-amplitude Blazhko modulation. On the time base of ~110yr, a strict anticorrelation between the pulsation- and modulation-period changes is established. The light curve of RZ Lyr shows a remarkable bump on the descending branch in the small-amplitude phase of the modulation, similarly to the light curves of bump Cepheids. We speculate that the stellar structure temporally suits a 4:1 resonance between the periods of the fundamental and one of the higher order radial modes in this modulation phase. The light-curve variation of RZ Lyr can be correctly fitted with a two-modulation-component solution; the 121-d period of the main modulation is nearly but not exactly four times longer than the period of the secondary modulation component. Using the inverse photometric method, the variations in the pulsation-averaged values of the physical parameters in different phases of both modulation components are determined.2012MNRAS.423..993Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/423/993CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/423/993https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/423/993http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/423/993https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/423/993https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/423/993http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/423/993GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tap2.367228618189496e-19 2.6706780932288093e-19OpticaldefaultJ/MNRAS/423/993/table2Konkoly photometric observations of RZ LyrrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHJDHeliocentric Julian date (HJD-2400000)dtime.epochdoublemagMagnitude in Bandmagphot.magfloatDetDetector: CCD, pe=photoelectric, pg=photographicspect.dopplerVeloc.opt;em.opt;instr.detcharBand[BVI] Filter (no filter for pg)instr.bandpasscharComp[a-d] Comparison star (1)meta.id;meta.maincharJ/MNRAS/423/993/table3Times and brightnesses of maxima redetermined from published visual and photoelectric light curves and determined from the Konkoly observationsRefReferences (1)meta.refintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHJDHeliocentric Julian date (HJD-2400000)dtime.epochdoubleBmag? pg/B magnitudemagphot.mag;em.opt.BfloatnullableVmag? vis/V magnitudemagphot.mag;em.opt.Vfloatnullableu_VmagUncertainty flag on Vmagmeta.code.errorcharIcmag? Cousins I magnitudemagphot.mag;em.opt.IfloatnullableJ/MNRAS/423/993/table6Frequencies, amplitudes and phases of the B, V and Ic light-curve solutions of RZ LyrrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIdentIdentification of the frequency mode (1)em.freq;src.varcharfFrequencyd**-1em.freqdoubleBampAmplitude in B bandmagsrc.var.amplitudefloate_Bamprms uncertainty (1{sigma}) in Bampmagstat.errorfloatBphiPhase {phi} in B band (2)radtime.phasefloate_Bphirms uncertainty (1{sigma}) in B bandradstat.errorfloatVampAmplitude in V bandmagsrc.var.amplitudefloate_Vamprms uncertainty (1{sigma}) in Vampmagstat.errorfloatVphiPhase in V band (2)radtime.phasefloate_Vphirms uncertainty (1{sigma}) in V bandradstat.errorfloatIampAmplitude in I bandmagsrc.var.amplitudefloate_Iamprms uncertainty (1{sigma}) in Iampmagstat.errorfloatIphiPhase in I band (2)radtime.phasefloate_Iphirms uncertainty (1{sigma}) in I bandradstat.errorfloatJ/MNRAS/423/993/tablea1Konkoly CCD observations of the two new variables discovered in the field of RZ LyrrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarVariable name (V1 or V2) (1)meta.id;meta.maincharHJDHeliocentric Julian date (HJD-2400000)dtime.epochdoublemagMagnitude in Bandmagphot.magfloatBand[BVI] Filterinstr.bandpasschar