J/AJ/129/729ivo://CDS.VizieR/J/AJ/129/729doi:10.26093/cds/vizier.51290729CDSRowe J.F.Richer H.B.Brewer J.P.Crabtree D.R.2006-06-15T11:21:08Z2006-06-15T11:18:07ZCDS support team

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

cds-question@unistra.frcarbon-starsphotometrygalaxiesThe M33 galaxy is a nearby, relatively metal-poor, late-type spiral. Its proximity and almost face-on inclination means that it projects over a large area on the sky, making it an ideal candidate for wide-field CCD mosaic imaging. Photometry was obtained for more than 106 stars covering a 74'x56' field centered on M33. Main-sequence, supergiant branch, red giant branch, and asymptotic giant branch (AGB) populations are identified and classified based on broadband V and I photometry. Narrowband filters are used to measure spectral features allowing, the AGB population to be further divided into C and M star types. The galactic structure of M33 is examined using star counts, color-color, and color-magnitude-selected stellar populations. We use the C to M star ratio to investigate the metallicity gradient in the disk of M33.2005AJ....129..729Rhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/129/729CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/125/1298 : C star population in outer disk of M31 (Battinelli+, 2003)J/ApJ/469/629 : UV-brightest stars of M33 and its nucleus (Massey+ 1996)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/129/729https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/129/729http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/129/729https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/129/729https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/129/729http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/129/729GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/129/729/table4 (Object catalog for M33)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/129/729/table4?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/129/729/table4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/129/729/table4?GETtext/xml+votable180.050000true22.742708330.68238890.0055555555555555566/2240 2241https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/129/729?format=asciiOpticaldefaultJ/AJ/129/729/table4Object catalog for M33recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSeqStar identification numbermeta.id;meta.mainintprimaryRAJ2000Hour of Right Ascension (J2000)pos.eq.ra;meta.mainDEJ2000Degree of Declination (J2000)pos.eq.dec;meta.mainVmag? Mould V band magnitude (1)magphot.mag;em.opt.Vfloatnullablee_Vmag? ALLSTAR 1{sigma} error in Vmagmagstat.error;phot.mag;em.opt.VfloatnullableImag? Mould I band magnitude (1)magphot.mag;em.opt.Ifloatnullablee_Imag? ALLSTAR 1{sigma} error in Imagmagstat.error;phot.mag;em.opt.IfloatnullableCNmag? CN band magnitude (1)magphot.mag;em.opt.Ifloatnullablee_CNmag? ALLSTAR 1{sigma} error in CNmagmagstat.error;phot.magfloatnullableTiOmag? TiO band magnitude (1)magphot.mag;em.opt.Ifloatnullablee_TiOmag? ALLSTAR 1{sigma} error in TiOmagmagstat.error;phot.magfloatnullablechi2The {chi}^2^ DAOPhot value for the PSF fitstat.fit.chi2floatSharpThe sharp DAOPhot value for the PSF fitstat.fit.paramdouble