Stellar cluster fiducial sequences with the Advanced Camera for Surveys

被引：42

作者：

Brown, TM

Ferguson, HC

Smith, E

Guhathakurta, P

Kimble, RA

Sweigart, AV

Renzini, A

Rich, RM

VandenBerg, DA

机构：

[1] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[2] Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA

[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[4] European So Observ, D-8046 Garching, Germany

[5] Univ Calif Los Angeles, Dept Phys & Astron, Div Astron, Los Angeles, CA 90095 USA

[6] Univ Victoria, Dept Phys & Astron, Victoria, BC V8W 3P6, Canada

来源：

ASTRONOMICAL JOURNAL | 2005年 / 130卷 / 04期

关键词：

globular clusters : general; globular clusters : individual (NGC 6341; NGC; 6752; 104; 5927; 6528); open clusters and associations : individual (NGC 6791);

D O I：

10.1086/444542

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present color-magnitude diagrams of five Galactic globular clusters and one Galactic open cluster spanning a wide range of metallicity (-2.1 less than or similar to [Fe/H] less than or similar to +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 ridgeline 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.

引用

页码：1693 / 1706

页数：14

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