J/AJ/136/2259ivo://CDS.VizieR/J/AJ/136/2259doi:10.26093/cds/vizier.51362259CDSSandquist E.L.Hess J.M.2011-08-15T18:00:20Z2011-07-30T18:02:10ZCDS support team

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

cds-question@unistra.frglobular-star-clustersstellar-populationshst-photometryWe present an analysis of optical and ultraviolet Hubble Space Telescope photometry for evolved stars in the core of the distant massive globular cluster NGC 2419. We characterize the horizontal branch (HB) population in detail including corrections for incompleteness on the long blue tail. The majority of the HB stars can be identified with two main groups (one slightly bluer than the instability strip, and the other at the extreme end of the HB). We present a method for removing (to first-order) lifetime effects from the distribution of HB stars to facilitate more accurate measurements of helium abundance for clusters with blue HBs and to clarify the distribution of stars reaching the zero-age HB.2008AJ....136.2259Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/136/2259CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/391/945 : HST photometry of 74 galactic globular clusters (Piotto+, 2002)J/ApJ/681/311 : Blue stragglers in NGC 2419 (Dalessandro+, 2008)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/136/2259https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/136/2259http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/136/2259https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/136/2259https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/136/2259http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/136/2259GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/136/2259/table3 (Evolved stars in NGC 2419)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/136/2259/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/136/2259/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/136/2259/table3?GETtext/xml+votable180.050000true114.538200338.88651890.0055555555555555566/63892.0401237512456292e-19 7.636771139105563e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/136/2259?format=asciiOpticaldefaultJ/AJ/136/2259/table3Evolved stars in NGC 2419recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameObject identification (1)meta.id;meta.maincharoRAOffset in Right Ascension (2)arcsecpos.eq.ra;arith.diffdoubleoDEOffset in Declination (2)arcsecpos.eq.dec;arith.diffdoubleF300W? HST/WFPC2 F300W band magnitude (3)magphot.mag;em.opt.Ufloatnullablee_F300W? Photometric error in F300W (3)magstat.errorfloatnullableF555W? HST/WFPC2 F555W band magnitude (3)magphot.mag;em.opt.Vfloatnullablee_F555W? Photometric error in F555W (3)magstat.errorfloatnullableF814W? HST/WFPC2 F814W band magnitude (3)magphot.mag;em.opt.Ifloatnullablee_F814W? Photometric error in F814W (3)magstat.errorfloatnullableF250W? HST/HRC F250W band magnitude (3)magphot.mag;em.UV.200-300nmfloatnullablee_F250W? Photometric error in F250W (3)magstat.errorfloatnullableF336W? HST/WFPC2 F336W band magnitude (3)magphot.mag;em.opt.Ufloatnullablee_F336W? Photometric error in F336W (3)magstat.errorfloatnullableF380W? HST/WFPC2 F380W band magnitude (3)magphot.mag;em.opt.Ufloatnullablee_F380W? Photometric error in F380W (3)magstat.errorfloatnullableF435W? HST/ACS F435W band magnitude (3)magphot.mag;em.opt.Bfloatnullablee_F435W? Photometric error in F435W (3)magstat.errorfloatnullableF439W? HST/WFPC2 F439W band magnitude (3)magphot.mag;em.opt.Bfloatnullablee_F439W? Photometric error in F439W (3)magstat.errorfloatnullableF450W? HST/WFPC2 F450W band magnitude (3)magphot.mag;em.opt.Bfloatnullablee_F450W? Photometric error in F450W (3)magstat.errorfloatnullableF675W? HST/WFPC2 F675W band magnitude (3)magphot.mag;em.opt.Rfloatnullablee_F675W? Photometric error in F675W (3)magstat.errorfloatnullableNoteAdditional information (4)meta.notechar_RAPosition from offset with NGC 2419 at 07 38 08.5 +38 52 55 (J2000) (right ascension part)degpos.eq.ra;meta.main_DEPosition from offset with NGC 2419 at 07 38 08.5 +38 52 55 (J2000) (declination part)degpos.eq.dec;meta.main