J/A+A/672/A85ivo://CDS.VizieR/J/A+A/672/A85doi:10.26093/cds/vizier.36720085CDSCruz Reyes M.Anderson R.I.2024-11-28T20:03:07Z2023-04-04T07:54:56ZCDS support team

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

cds-question@unistra.fropen-star-clustersvariable-starsradial-velocityvisible-astronomytrigonometric-parallaxWe have conducted a search for open clusters in the vicinity of Galactic classical Cepheids based on high-quality astrometry from the ESA mission Gaia's third data release (DR3) to improve the calibration of the Leavitt law. Our approach requires no prior knowledge of existing clusters, allowing us to both detect new host clusters and cross-check previously reported associations. Our Gold sample consists of 34 Cepheids residing in 28 open clusters, including 27 fundamental mode and 7 overtone Cepheids. Three new bona fide cluster Cepheids are reported (V0378 Cen, ST Tau and GH Lup) and the host cluster identifications for three others (VW Cru, IQ Nor, SX Vel) is corrected. The fraction of Cepheids occurring in open clusters within 2 kpc of the Sun is f_CC,2kpc_=0.092+/-0.009. Non-variable cluster members allow us to determine cluster parallaxes to 7 as in the range 12.5<G<17mag where recent studies found that parallax corrections by Lindegren et al. (2021A&A...649A...4L) are accurate and require no further offset corrections. Comparing MW cluster Cepheids to Cepheids in the LMC, we confirm these independent results and the adequacy of the L21 corrections for the cluster members in this range. Combining cluster and field Cepheids, we calibrate the Galactic Cepheid Leavitt law for a variety of individual optical and near-infrared passbands, as well as using reddening-free Wesenheit magnitudes based on Gaia and HST photometry, while solving for the residual offset applicable to Cepheid parallaxes, {Delta}{varpi}_Cep_. The most direct comparison of our results with the SH0ES distance ladder yields excellent (0.3{sigma}) agreement for both the absolute magnitude of a 10d Solar metallicity Cepheid in the _IR HST Wesenheit magnitudes, M^W^_H_=-5.915+/-0.017mag, and the residual parallax offset, {varpi}_Cl_=-13+/-5uas. Despite the use of a common set of photometry, this is an important cross-check of the recent Hubble constant measurement by Riess et al. based on independently determined cluster membership and average parallaxes. Allowing the LL slope to vary yields results consistent to within 1 and a slightly larger residual parallax offsets {Delta}{varpi}_Cep_=-17+/-5uas. Using the larger sample of 26 Gold cluster Cepheids and 225 MW Cepheids with recent Gaia DR3 astrometry and photometry, we determine the absolute magnitude of a 10d fundamental mode Cepheid in the optical Gaia Wesenheit magnitude at the sample average iron abundance of <[Fe=H]>=0.069, M^W^_G_=-6.051+/-0.020mag, and {Delta}{varpi}_Cep_=-22+/-3uas. Correcting to Solar metallicity yields M^W^_G_=-5.996+/-0.019mag and {Delta}{varpi}_Cep_=-19+/-3uas. These results mark the currently most accurate absolute calibrations of the Cepheid luminosity scale based purely on observations of MW Cepheids, as well as the most precise determination of the residual Cepheid parallax offset at a significance of 6-7{sigma}.2023A&A...672A..85Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/672/A85CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/672/A85https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/672/A85http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/672/A85https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/672/A85https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/672/A85http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/672/A85GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/672/A85/table1 (Radial Velocity information of clusters Cepheids)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/672/A85/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/672/A85/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/672/A85/table1?GETtext/xml+votable180.050000true299.369189426.55646810.005555555555555556Cone search capability for table J/A+A/672/A85/table2-4 (Parameters of the Cluster Cepheids of the Gold, Silver and Bronze samples)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/672/A85/table2-4?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/672/A85/table2-4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/672/A85/table2-4?GETtext/xml+votable180.050000true297.74625.2790.005555555555555556Cone search capability for table J/A+A/672/A85/table7 (Field cepheids used for the calibration of the Leavitt Law in different photometric bands)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/672/A85/table7?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/672/A85/table7?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/672/A85/table7?GETtext/xml+votable180.050000true91.645608626.32922280.005555555555555556Cone search capability for table J/A+A/672/A85/table10 (Astrometry and photometry of cluster Cepheids)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/672/A85/table10?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/672/A85/table10?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/672/A85/table10?GETtext/xml+votable180.050000true359.538804261.21368330.0055555555555555565/9482 6/1239 1340 1348 1426 1431-1432 1441 1467 1625 1765 1824 1836 1858 1920 3000 3005 3033 3045 3047 3050 3052 3054 3059-3060 3255 3261 3263 3284 3306 3328 3362 3365 3459 3600-3601 3616 3627 3629 3631 3641 3663 3712 3714 3722 3731 12846 12963 13288 13309-13310 13931 13990 14047 14059 14075 14205 14237-14239 14246 14260 14262 14267 14271 14282-14283 14291-14292 14295 14301 14303 14320-14321 14323-14324 14328-14329 14400 14404 14409 14411-14412 14424 14427 14445 14449 14453 14455 14601 14607 14625 14629-14630 14634 14637 14640 14653 14709 14718 14770 15360 15388 15392 15396 15429 15461 15618 15698 20827 21542 21632 21648 21671 22044 22068-22069 22074 22122 22124 22219 22255 23619 23622 23635 23660 23669 23778 23784 23852 23936 24372 24479 28717 28808 28893 28916 29081 29089 29095 29104 29126 29166 29216 29468 29523 29533 29772 30211 30222-30223 30235 30244-30245 30258 30311 30333 30504 30580 30609 30646 32012 37223 37235 37330 37332 37334 37336 37340 37357 37364 37674 37721 37723 37729 37741 37745-37746 37757 37828-37829 37856 37867 37870 37888 37903-37904 37917 37923 37926-37927 37938 38020 38022-38024 38029 38049 38627 39231-39232 39244-39245 39348 39374 39410 39766 39771 39790 39794 39796 39883 39889 39891-39892 39908 39933 40491 40494 40608 41375 41385 41461 41599 41605 41631 41667 41673-41674 41698 41721-41722 41762 41768 41810 41831 41833 41842 41862-41863 42153 42155 42185 42297 42378 42500 42820 43013 43022 43028 43035 43041 43056-43057 43060https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/672/A85?format=asciiOpticaldefaultJ/A+A/672/A85/table1Radial Velocity information of clusters CepheidsSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintClusterCluster namemeta.id.parentcharNRVCluster members with radial velocities from Gaia DR3meta.numberintRVmedMedian RVkm/sphys.veloc;pos.heliocentricfloate_RVmedStandard error of the mediankm/sstat.errorfloatCepheidCepheid namemeta.id;meta.maincharvgammaRadial velocity of the Cepheidkm/sphys.velocfloate_vgammaUncertainty in the radial velocity of the Cepheidkm/sstat.errorfloatr_vgammaReferences used to calculate the radial velocity of the Cepheid (1)meta.ref;pos.framechardeltaCl-CepRadial velocity of the cluster minus radial velocity of the Cepheidkm/sphys.veloc;arith.difffloatsigmatotCluster and Cepheid uncertainty added in quadraturekm/sstat.errorfloatN-sigmaDifference in standard deviations between radial velocities of Cepheid and Clusterphys.veloc;arith.diffdouble_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/A+A/672/A85/table2-4Parameters of the Cluster Cepheids of the Gold, Silver and Bronze samplesClusterCluster namemeta.id.parentcharplxCepCepheid parallax including the Lindegren et al. (2021A&A...649A...4L) offset correctionuarcsecpos.parallax.triginte_plxCepCepheid parallax erroruarcsecstat.errorintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Cluster center right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Cluster center declination (J2000)degpos.eq.dec;meta.mainNmembNumber of cluster membersmeta.numberintplxClCluster parallax including the Lindegren et al. (2021A&A...649A...4L) offset correctionuarcsecpos.parallax.triginte_plxClCluster parallax uncertaintyuarcsecstat.errorintpmRAClCluster proper motion in right ascension direction, pmRA*cosDEmas/yrpos.pm;pos.eq.rafloats_pmRAClCluster proper motion dispersion in right ascension directionmas/yrpos.pmfloatpmDEClCluster proper motion in declinationmas/yrpos.pm;pos.eq.decfloats_pmDEClCluster proper motion in dispersion declinationmas/yrpos.pmfloatCepheidCepheid namemeta.id;meta.maincharf_Cepheid[+] ATO J297 = ATO J297.7863+25.3136meta.codecharn_Cepheid[*] * for first overtone pulsatormeta.notecharpmRACepCepheid proper motion in right ascension direction, cosDEmas/yrpos.pm;pos.eq.rafloate_pmRACepCepheid proper motion standard error in right ascension directionmas/yrstat.error;pos.pm;pos.eq.rafloatpmDECepCepheid proper motion in declination directionmas/yrpos.pm;pos.eq.decfloate_pmDECepCepheid proper motion standard error in declination directionmas/yrstat.error;pos.pm;pos.eq.decfloatSepProjected separation of the Cepheid from cluster centerpcpos.distancefloatPmembMembership probabilitystat.probabilityfloatJ/A+A/672/A85/table7Field cepheids used for the calibration of the Leavitt Law in different photometric bandsSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintCepheidCepheid namemeta.id;meta.maincharPerCepheid pulsation perioddtime.perioddoubleGaiaDR3Gaia DR3 source IDmeta.idplxGaia DR3 parallaxmaspos.parallax.trigfloatplxCorrGaia DR3 parallax including the Lindegren et al. (2021A&A...649A...4L) offset correctionmaspos.parallax.trigfloatWH[Y] Wesenheit WH magnitude used (1)meta.codecharWG[Y] Wesenheit WG magnitude used (1)meta.codecharBP[Y] Gaia BP magnitude used (1)meta.codecharV[Y] V magnitude used (1)meta.codecharG[Y] Gaia G magnitude used (1)meta.codecharRP[Y] Gaia RP magnitude used (1)meta.codecharF160W[Y] F160W magnitude used (1)meta.codechar_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/A+A/672/A85/table10Astrometry and photometry of cluster CepheidsSimbadNameSimbad column added by the CDSmeta.idcharnullablee_WG? Uncertainty in Wesenheit WG magnitudemagstat.errorfloatnullableWHa? Wesenheit WH magnitude, WH=F160W-0.386(F555W-F814W, without CRNL correctionsmagphot.magfloatnullablee_WHa? Uncertainty in Wesenheit WH magnitudemagstat.errorfloatnullable[Fe/H]? Iron abundancephys.abund.FefloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintCepheidCepheid namemeta.id;meta.maincharPerCepheid pulsation perioddtime.periodfloatplxHost cluster parallaxuarcsecpos.parallax.trigfloatsigmastatStatistical uncertainty in cluster parallaxuarcsecstat.errorfloatsigmacovAngular covariance in cluster parallaxuarcsecstat.errorfloatsigmatotSum in quadrature of sigma_stat and sigma_covuarcsecstat.errorfloatWG? Wesenheit WG magnitude, WD=G-1.921(Bp-Rp)magphot.magfloatnullablee_[Fe/H]? Uncertainty in iron abundancestat.error;phys.abund.Fefloatnullabler_[Fe/H]Reference of the iron abundance (1)meta.refcharE(B-V)? Color excess valuemagphot.color.excessfloatnullablee_E(B-V)? Uncertainty in the color excessmagstat.errorfloatnullable_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/A+A/672/A85/tablea1Cluster members of the Gold, Silver and BronzerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintClusterCluster namemeta.id.parentcharGaiaDR3Gaia EDR3 source idmeta.id;meta.mainplxGaia EDR3 parallaxmaspos.parallax.trigfloatCorrLindegren et al. (2021A&A...649A...4L) parallax offset correctionmasarith.factorfloat