J/MNRAS/478/4590ivo://CDS.VizieR/J/MNRAS/478/4590doi:10.26093/cds/vizier.74784590CDSTanakul N.Sarajedini A.2024-08-18T20:20:15Z2021-12-10T14:09:40ZCDS support team

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

cds-question@unistra.frgalaxiesvariable-starsinfrared-photometryvisible-astronomybroad-band-photometryWe present an analysis of M31 RR Lyrae stars in six different fields using archival imaging from the Hubble Space Telescope. Published data for M31, M33, and several M31 dwarf spheroidal galaxies are also used to study the global properties of RR Lyrae in these systems. From the properties of RR Lyrae stars, we found that the majority of M31 and M33 RRLs are of Oosterhoff I (OoI),while those in M31 dSphs are of Oosterhoff intermediate. The main parameter affecting these Oosterhoff types is likely to be metallicity. Metallicity also plays a role in the lack of RRLs in the high amplitude short period(HASP, defined as those with P<=0.48 and A_V_>=0.75mag) variables in M31 dSphs. This difference in the properties of RRLs between their parent galaxy and satellites, as well as the lack of RRLs in the HASP region in dSphs can also be observed in the Milky Way (MW). Therefore, systems like these dSphs are unlikely to be the main building blocks of the M31 and MW halo.2018MNRAS.478.4590Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/478/4590CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/138/184 : RR Lyrae in 2 fields in M31 spheroid (Sarajedini+, 2009)J/ApJ/708/817 : RR Lyrae in M32 and M31 (Fiorentino+, 2010)J/AJ/141/171 : RR Lyrae in six ultra-deep fields of M31 (Jeffery+, 2011)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/478/4590https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/478/4590http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/478/4590https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/478/4590https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/478/4590http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/478/4590GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/478/4590/tableb1a (RRL properties in sw5 field)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/478/4590/tableb1a?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/478/4590/tableb1a?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/478/4590/tableb1a?GETtext/xml+votable180.050000true10.46387540.97434440.005555555555555556Cone search capability for table J/MNRAS/478/4590/tableb1b (RRL properties in ne7, sw20a, sw20b, sw23a and sw23b fields)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/478/4590/tableb1b?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/478/4590/tableb1b?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/478/4590/tableb1b?GETtext/xml+votable180.050000true11.200833341.51961940.0055555555555555566/2622-2623 2705 2708https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/478/4590?format=asciiOpticalInfrareddefaultJ/MNRAS/478/4590/tableb1aRRL properties in sw5 fieldLCShow the light curvesmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSimbadSimbad column added by the CDSmeta.ref.urlcharFieldFieldmeta.id;obs.fieldcharInstInstrumentmeta.id;instrcharNameStar namemeta.id;meta.mainintRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.main<Bmag>Mean B magnitudemagphot.mag;em.opt.BfloatPerPerioddtime.periodfloate_Perrms uncertainty on Perioddstat.errorfloatAbAbsorption in b bandmagphot.magfloate_Abrms uncertainty on Abmagstat.errorfloatTypeRR Lyrae typemeta.notecharJ/MNRAS/478/4590/tableb1bRRL properties in ne7, sw20a, sw20b, sw23a and sw23b fieldsSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLCShow the light curvesmeta.ref.urlcharFieldFieldmeta.id;obs.fieldcharInstInstrumentmeta.id;instrcharNameStar namemeta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.main<Vmag>Mean V magnitudemagphot.mag;em.opt.Vfloat<Imag>Mean I magnitudemagphot.mag;em.opt.Ifloat<V-I>Mean V-I colourmagphot.color;em.opt.V;em.opt.IfloatPerPerioddtime.periodfloate_Perrms uncertainty on Perioddstat.errorfloatAiAbsorption in i bandmagphot.magfloate_Airms uncertainty on Aimagstat.errorfloatTypeRR Lyrae typemeta.notecharJ/MNRAS/478/4590/table4Time-series photometryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintFieldFieldmeta.id;obs.fieldcharNameStar namemeta.id;meta.maincharInstInstrumentmeta.id;instrcharBand[BVI] Bandinstr.bandpasscharHJDHeliocentric Julian date (HJD-2450000)dtime.epochdoublemagMagnitude in Bandmagphot.magfloate_magrms uncertainty on magmagstat.error;phot.magfloat