Hubble Space Telescope photometry of the globular cluster M4

被引：24
作者：
Ibata, RA
Richer, HB
Fahlman, GG
Bolte, M
Bond, HE
Hesser, JE
Pryor, C
Stetson, PB
机构：
[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z4, Canada
[2] Univ Calif Santa Cruz, Lick Observ, Santa Cruz, CA 95064 USA
[3] Space Telescope Sci Inst, Baltimore, MD 21218 USA
[4] Dominion Astrophys Observ, Herzberg Inst Astrophys, Natl Res Council, Victoria, BC V8X 4M6, Canada
[5] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08855 USA
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 1999年 / 120卷 / 02期
关键词：
globular clusters : individual (M4); Hertzsprung-Russell diagram; white dwarfs;
D O I：
10.1086/313177
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This paper presents a detailed description of the acquisition and processing of a large body of imaging data for three fields in the globular cluster M4 taken with the Wide Field and Planetary Camera 2 aboard the Hubble Space Telescope. Analysis with the ALLFRAME package yielded the deepest photometry yet obtained for this cluster. The resulting data set for 4708 stars (positions and calibrated photometry in V, I, and, in two fields, U) spanning approximately six cluster core radii is presented. The scientific analysis is deferred to three companion papers, which investigate the significant white dwarf population discovered and the main-sequence population.
引用
收藏
页码：265 / 275
页数：11
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