Observing z>4 galaxies through a cosmic lens

被引：2
|
作者：
Benítez, N [1 ]
Broadhurst, T [1 ]
Frye, B [1 ]
Lidman, C [1 ]
King, L [1 ]
Meylan, G [1 ]
Schneider, P [1 ]
机构：
[1] Johns Hopkins Univ, Baltimore, MD 21218 USA
来源：
LIGHTHOUSES OF THE UNIVERSE: THE MOST LUMINOUS CELESTIAL OBJECTS AND THEIR USE FOR COSMOLOGY | 2002年
关键词：
D O I：
10.1007/10856495_31
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Practical considerations dictate two basic strategies to find very high redshift galaxies: going very deep in small fields (e.g. the HDFs) or doing shallower, wide area surveys which target the bright end of the luminosity function. A third approach which combines some of the advantages of both is to look for strongly magnified objects in the fields of lensing clusters. We present results from such an ongoing program, which has already yielded seven spectroscopically confirmed z > 4 galaxies, and several candidates to z > 6 galaxies. We also discuss the prospects for finding z similar to 6.5 galaxies with HST and the Advanced Camera for Surveys.
引用
收藏
页码：239 / 244
页数：6
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