J/AJ/129/2007ivo://CDS.VizieR/J/AJ/129/2007doi:10.26093/cds/vizier.51292007CDSSchmidt E.G.Johnston D.Langan S.Lee K.M.2021-03-29T12:32:25Z2020-08-14T15:38:51ZCDS support team

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

cds-question@unistra.frvariable-starsphotometryWe present 668 new photometric observations for 24 Cepheids with periods less than 3 days. Most of the stars are probable type II Cepheids, but we have included some type I Cepheids for comparison. A discussion of the Fourier parameters of the light curves leads to the conclusion that they can be used to distinguish among the several types of light curves found among the type II stars but are of limited usefulness for distinguishing between type I and type II Cepheids.2005AJ....129.2007Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/129/2007CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/250 : Combined General Catalogue of Variable Stars (Samus+ 2004)V/48 : A CATALOGUE OF FIELD TYPE II CEPHEIDSJ/AJ/128/1748 : VR photometry of type II cepheids (Schmidt+, 2004)II/217 : Photoelectric observations of Cepheids in UBV(RI)cJ/A+AS/143/211 : Galactic Cepheids BVRI photometry (Berdnikov+, 2000)J/A+A/404/423 : BVI photometry of Galactic Cepheids (Tammann+, 2003)J/AJ/130/832 : VR photometry of type II Cepheids. III (Schmidt+, 2005)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/129/2007https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/129/2007http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/129/2007https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/129/2007https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/129/2007http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/129/2007GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/129/2007/table1 (The program stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/129/2007/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/129/2007/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/129/2007/table1?GETtext/xml+votable180.050000true305.329041918.43786030.0055555555555555566/1411 1421 3022 8584 12436 12904 14265 14559 14562 23332 23841 29758 29852 29881 30672 30927 31057 31192 31778 31792 31979 32170 36705 48555https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/129/2007?format=asciidefaultJ/AJ/129/2007/table1The program starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameStar namemeta.id;meta.maincharPerApproximate perioddtime.periodfloatClassGCVS classification (Cat. <II/250>)meta.code.classcharf_Name[II] Type II Cepheid of Harris catalog (1985, Cat. <V/48>)meta.codecharLCTypeLight-curve type (1)meta.code.classcharNcNumber of comparison stars used for each fieldmeta.numberintsigVmag? Standard error of the adopted V magnitude of the comparison starsstat.errorintnullablesigRmag? Standard error of the adopted R magnitude of the comparison starsstat.errorintnullableNnightsNumber of photometric nightsmeta.numberintf_NnightsFlag on Nnights (2)meta.codecharHJD1Julian date of start of observationdtime.epochintHJD2Julian date of end of observationdtime.epochintNtotTotal number of light-curve points availablemeta.numberintNnewNumber of new points presented heremeta.numberintRefSources of the earlier photometry (3)meta.bibcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/AJ/129/2007/table3The light-curve parametersVampV amplitudemagsrc.var.amplitudefloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLCShow the light curvesmeta.ref.urlcharNameStar namemeta.id;meta.maincharprimaryPerAdopted perioddtime.perioddoublee_PerUpper limit on the uncertainty of the period1e-07dstat.errorintDPerDifference between the period Per and the period from the GCVS1e-07dmeta.noteintHJDEpoch of maximum, based on the most recent photometrydtime.epochdouble<Vmag>Mean V magnitudemagphot.mag;em.opt.Vfloat<Rmag>? Mean R magnitudemagphot.mag;em.opt.RfloatnullableRamp? R amplitudemagsrc.var.amplitudefloatnullablePhiPhase of minimum lightphys.composition.massLightRatio;stat.minfloatNotesNotes (1)meta.notecharJ/AJ/129/2007/table4The Fourier parametersphi31Fourier phasestat.fit.paramfloate_phi31Error in phi31stat.errorfloatphi41? Fourier phasestat.fit.paramfloatnullablee_phi21Error in phi21stat.errorfloate_R31Error in R31stat.errorfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameStar namemeta.id;meta.maincharprimaryR21Fourier parameter (amplitude ratio)phot.mag;arith.ratiofloate_R21Error in R21stat.errorfloatR31Fourier parameter (amplitude ratio)phot.mag;arith.ratiofloatR41? Fourier parameter (amplitude ratio)phot.mag;arith.ratiofloatnullablee_R41? Error in R41stat.errorfloatnullablephi21Fourier phasestat.fit.paramfloate_phi41? Error in phi41stat.errorfloatnullablesigmaStandard deviationstat.stdevfloatJ/AJ/129/2007/table2Photometric datarecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameStar namemeta.id;meta.maincharprimaryHJDHeliocentric Julian Date of observationdtime.epochdoubleVmagThe V band magnitudemagphot.mag;em.opt.VfloatRmagThe R band magnitudemagphot.mag;em.opt.RfloatV-RThe (V-R) color indexmagphot.color;em.opt.V;em.opt.Rfloat