Stellar Cluster Fiducial Sequences with the Advanced Camera for Surveys

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dc.creatorBrown, Thomas M.
dc.creatorFerguson, Henry C.
dc.creatorSmith, Ed
dc.creatorGuhathakurta, Puragra
dc.creatorKimble, Randy A.
dc.creatorSweigart, Allen V.
dc.creatorRenzini, Alvio
dc.creatorRich, R. Michael
dc.creatorVandenBerg, Don A.
dc.date2005-06-28
dc.date.accessioned2026-07-07T11:24:31Z
dc.date.available2026-07-07T11:24:31Z
dc.descriptionWe present color-magnitude diagrams of five Galactic globular clusters and one Galactic open cluster spanning a wide range of metallicity (-2.1 < [Fe/H] < +0.3), as observed in the F606W (broad V) and F814W (I) bands with the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope. These clusters are part of two large ACS programs measuring the star formation history in the Andromeda halo, tidal stream, and outer disk. In these programs, the clusters serve as empirical isochrones and as calibrators for the transformation of theoretical isochrones to the ACS bandpasses. To make these data more accessible to the community, for each cluster, we provide a ridge line tracing the stars on the main sequence, subgiant branch, and red giant branch, plus the locus of stars on the horizontal branch. In addition, we provide the transformation of the Victoria-Regina isochrones to the ACS bandpasses.
dc.description14 pages, 6 black & white figures, 1 color figure, latex. Accepted for publication in The Astronomical Journal. Figures 1-5 have been degraded to meet size restrictions. Smoothing of line art should be disabled in PDF viewers for correct display of figures. Full-resolution version and machine-readable tables available from T.M. Brown (tbrown@stsci.edu)
dc.identifierhttps://arxiv.org/abs/astro-ph/0506672
dc.identifierhttp://arxiv.org/abs/astro-ph/0506672
dc.identifierAstron.J.130:1693-1706,2005
dc.identifierdoi:10.1086/444542
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195218
dc.subjectAstrophysics
dc.titleStellar Cluster Fiducial Sequences with the Advanced Camera for Surveys
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