Searching for Pop III stars and galaxies at high redshift

被引：0

作者：

Schaerer, Daniel ^{[1
]}

机构：

[1] Univ Geneva, Observ Geneva, CH-1290 Versoix, Switzerland

来源：

LOW-METALLICITY STAR FORMATION: FROM THE FIRST STARS TO DWARF GALAXIES | 2008年 / 255期

关键词：

galaxies: high-redshift; galaxies: stellar content; (cosmology:) early universe; LY-ALPHA EMITTERS; SUBARU DEEP FIELD; POPULATION-III; REIONIZATION SOURCES; FORMING GALAXIES; 1ST STARS; EMISSION;

D O I：

10.1017/S1743921308024599

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We review the expected properties of Pop III and very metal-poor starbursts and the bebaviour the Ly alpha and He II lambda 1640 emission lines, which are most likely the best/easiest, signatures to single out such objects. Existing claims of Pop III signatures in distant galaxies are critically examined. and the searches for He II lambda 1640 emission at high redshift, are summarised. Finally, we briefly summarise ongoing and future deep observations at z > 6 aiming in particular at detecting the sources of cosmic reionisation as well as primeval/Pop III galaxies.

引用

页码：66 / 74

页数：9

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