J/A+A/305/551ivo://CDS.VizieR/J/A+A/305/551doi:10.26093/cds/vizier.33050551CDSAndrievsky S.M.Kovtyukh V.VUsenko I.A.1999-02-26T14:04:44Z1999-02-26T15:04:29ZCDS support team

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

cds-question@unistra.frvariable-starschemical-abundancesOn the base of photographic, Reticon and CCD spectra analysis we have derived the abundances for 8 s-Cepheids and V1162 Aql (before classified as s-Cepheid). The following results have been obtained: 1) all Cepheids (excluding only EU Tau) have solar-like abundances of {alpha}- and iron-group elements, 2) Na is over abundant for all program stars, 3) the carbon deficiency found for EU Tau, DT Cyg, V440 Per and nitrogen overabundance (DT Cyg), show that these s-Cepheids are not crossing the instability strip for first time, 4) s-process elements are slightly enhanced in the program stars, 5) V1162 Aql does not show any changes in C and N abundances. The most plausible explanation is that this star is a normal Cepheid (C{delta}), but it is firstly crossing the instability strip toward the giant branch. This conclusion is also confirmed by its position on the evolutionary diagram.1996A&A...305..551Ahttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/305/551CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/305/551https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/305/551http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/305/551https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/305/551https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/305/551http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/305/551GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/A+A/305/551/table10Abundances for SU Cas.ElementElementphys.atmol.elementcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint[X/H]1Abundance of the element for phase=0.477log(Sun)phys.abundfloate_[X/H]1[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]1Number of observationsmeta.numberint[X/H]2Abundance of the element for phase=0.627log(Sun)phys.abundfloate_[X/H]2[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]2Number of observationsmeta.numberint[X/H]LL81[]? Abundance of the element from Luck and Lambert 1981log(Sun)phys.abundfloatnullableJ/A+A/305/551/table11Abundances for EU Tau.ElementElementphys.atmol.elementcharo_[X/H]1[]? Number of observationsmeta.numberintnullableo_[X/H]2[]? Number of observationsmeta.numberintnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint[X/H]1[]? Abundance of the element for phase=0.297log(Sun)phys.abundfloatnullablee_[X/H]1[]? Error on abundancelog(Sun)stat.errorfloatnullable[X/H]2[]? Abundance of the element for phase=0.323log(Sun)phys.abundfloatnullablee_[X/H]2[]? Error on abundancelog(Sun)stat.errorfloatnullable[X/H]3[]? Abundance of the element for phase=0.758log(Sun)phys.abundfloatnullablee_[X/H]3[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]3[]? Number of observationsmeta.numberintnullableJ/A+A/305/551/table12Abundances for DT Cyg.ElementElementphys.atmol.elementcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint[X/H]1[]? Abundance of the element for phase=0.155log(Sun)phys.abundfloatnullablee_[X/H]1[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]1[]? Number of observationsmeta.numberintnullable[X/H]2[]? Abundance of the element for phase=0.774log(Sun)phys.abundfloatnullablee_[X/H]2[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]2[]? Number of observationsmeta.numberintnullable[X/H]3[]? Abundance of the element for phase=0.814log(Sun)phys.abundfloatnullablee_[X/H]3[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]3[]? Number of observationsmeta.numberintnullable[X/H]LL81[]? Abundance of the element from Luck and Lambert 1981log(Sun)phys.abundfloatnullableJ/A+A/305/551/table13Abundances for SZ Tau.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintElementElementphys.atmol.elementchar[X/H]1[]? Abundance of the element for phase=0.119log(Sun)phys.abundfloatnullablee_[X/H]1[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]1[]? Number of observationsmeta.numberintnullable[X/H]2[]? Abundance of the element for phase=0.501log(Sun)phys.abundfloatnullablee_[X/H]2[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]2[]? Number of observationsmeta.numberintnullableJ/A+A/305/551/table14Abundances for V 1334 Cyg.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintElementElementphys.atmol.elementchar[X/H]Abundance of the elementlog(Sun)phys.abundfloate_[X/H][]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]Number of observationsmeta.numberintJ/A+A/305/551/table15Abundances for FF Aql.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintElementElementphys.atmol.elementchar[X/H]1[]? Abundance of the element for phase=0.780log(Sun)phys.abundfloatnullablee_[X/H]1[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]1[]? Number of observationsmeta.numberintnullable[X/H]2[]? Abundance of the element for phase=0.864log(Sun)phys.abundfloatnullablee_[X/H]2[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]2[]? Number of observationsmeta.numberintnullableJ/A+A/305/551/table16Abundances for V1162 Aql.ElementElementphys.atmol.elementcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint[X/H]Abundance of the elementlog(Sun)phys.abundfloate_[X/H][]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]Number of observationsmeta.numberintJ/A+A/305/551/table17Abundances for V440 Per.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintElementElementphys.atmol.elementchar[X/H]1[]? Abundance of the element for phase=0.080log(Sun)phys.abundfloatnullablee_[X/H]1[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]1[]? Number of observationsmeta.numberintnullable[X/H]2[]? Abundance of the element for phase=0.218log(Sun)phys.abundfloatnullablee_[X/H]2[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]2[]? Number of observationsmeta.numberintnullable[X/H]3[]? Abundance of the element for phase=0.374log(Sun)phys.abundfloatnullablee_[X/H]3[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]3[]? Number of observationsmeta.numberintnullable[X/H]4Abundance of the element for phase=0.385log(Sun)phys.abundfloate_[X/H]4[]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]4Number of observationsmeta.numberint[X/H]L82[]? Abundance of the element from Luck 1982log(Sun)phys.abundfloatnullableJ/A+A/305/551/table18Abundances for Y Oph.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintElementElementphys.atmol.elementchar[X/H]Abundance of the elementlog(Sun)phys.abundfloate_[X/H][]? Error on abundancelog(Sun)stat.errorfloatnullableo_[X/H]Number of observationsmeta.numberint