J/A+A/317/448ivo://CDS.VizieR/J/A+A/317/448doi:10.26093/cds/vizier.33170448CDSGrebel E.K.1997-12-09T16:48:56Z1997-12-09T17:48:49ZCDS support team

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

cds-question@unistra.frglobular-star-clustersccd-photometryWe present B,V,R,Halpha CCD photometry and astrometry of Be stars in NGC 1818, its small neighbouring cluster NGC 1818B, and the surrounding field down to V = 18 mag. Our Be star identifiers conform to IAU specifications. For a description of the UBVRI and Halpha systems, see e.g. <GCPD/08> and <GCPD/55>1997A&A...317..448Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/317/448CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/317/448https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/317/448http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/317/448https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/317/448https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/317/448http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/317/448GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/317/448/table2 (Identifiers, photometry, astrometry of Be stars in NGC 1818 and surroundings)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/317/448/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/317/448/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/317/448/table2?GETtext/xml+votable180.050000true76.060417-66.4327780.005555555555555556https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/317/448?format=asciiOpticaldefaultJ/A+A/317/448/table2Identifiers, photometry, astrometry of Be stars in NGC 1818 and surroundingsVmagV magnitudemagphot.mag;em.opt.Vfloate_VmagPhotometric error of the V magnitudemagstat.errorfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDBe star identifier following IAU specs.meta.id;meta.maincharRobIdentifiers from Robertson (1974)meta.idcharWill? Identifiers from Will et al. (1995)meta.idintLocLocation: A = Be star in NGC 1818, B = NGC 1818B, F = fieldmeta.notecharDistDistance from the center of NGC 1818arcsecpos.angDistancefloatB-V(B-V) colourmagphot.color;em.opt.B;em.opt.Vfloate_B-VPhotometric error of the (B-V) colourmagstat.errorfloatR-Halpha(R-Halpha) colourmagphot.color;em.line.Halphafloate_R-HalphaPhotometric error of the (R-Halpha) colourmagstat.errorfloatRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination signpos.eq.dec;meta.mainnullable