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A Comparative Study of Lyman alpha Emitters and Lyman Break Galaxies besed on the COSMOS-20 imaging data

Yasuhiro SHIOYA
(Ehime University)

We search for Lyman alpha emitters (LAEs) and Lyman break galaxies (LBGs) in the COSMOS field using the COSMOS-20 imaging data. LAEs are selected as intermediate-band excess objects. Using photometric data from IA427 to IA827, we select LAEs from z = 2.5 to z =5.8. We also select LBGs within the same redshift ranges using the dropout method and the photometric redshift technique. Comparing the properties of LAEs with those of LBGs, we will discuss the relationship between the two populations.


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