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Probing population III stars in galaxy IOK-1 at z = 6.96 through He II emission

Cai, Zheng; Fan, Xiaohui; Jiang, Linhua; Bian, Fuyan; McGreer, Ian; Dave, R; Egami, Eiichi; Zabludoff, Ann; Yang, Yujin; Oh, S Peng


The He II λ1640 emission line has been suggested as a direct probe of Population III (PopIII) stars at high redshift, since it can arise from highly energetic ionizing photons associated with hot, metal-free stars. We use the Hubble Space Telescope WFC3/

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Astrophysical Journal Letters
DOI: 10.1088/2041-8205/736/2/L28
Access Rights: Open Access


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