The ACS LCID project: Old main sequence turnoff photometry of isolated local group dwarf galaxies

被引：0
|
作者：
Gallart, Carme [1 ]
机构：
[1] Inst Astrofis Canarias, E-38200 San Cristobal la Laguna, Spain
来源：
PATHWAYS THROUGH AN ECLECTIC UNIVERSE | 2008年 / 390卷
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中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The details of the early star formation history of isolated dwarf galaxies can shed light on the role of the cosmic re-ionization and supernova feedback in galaxy formation and evolution. In this paper, we present the project Local Cosmology from Isolated Dwarfs (LCID)(2), aimed at deriving detailed star formation histories for a sample of Local Group isolated dwarf galaxies. To accomplish this goal we have collected, using the ACS on board the HST, color-magnitude diagrams reaching their oldest main sequence turnoff (V similar or equal to 29 mag) with good photometric accuracy. Some results are briefly discussed.
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页码：278 / 282
页数：5
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