Near-infrared emission-line galaxies in the Hubble Deep Field North

被引:17
作者
Iwamuro, F [1 ]
Motohara, K
Maihara, T
Iwai, J
Tanabe, H
Taguchi, T
Hata, R
Terada, H
Goto, M
Oya, S
Iye, M
Yoshida, M
Karoji, H
Ogasawara, R
Sekiguchi, K
机构
[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
[2] Commun Res Labs, Tokyo 1848975, Japan
[3] Natl Astron Observ, Opt & Infrared Astron Div, Tokyo 1818588, Japan
[4] Natl Astron Observ, Hilo, HI 96720 USA
关键词
cosmology : observations; galaxies : formation; infrared : galaxies;
D O I
10.1093/pasj/52.1.73
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the 2.12 mu m narrow-band image of the Hubble Deep Field North taken with the near-infrared camera (CISCO) on the Subaru telescope. Among five targets whose H alpha or [O III] emission lines are redshifted into our narrow-band range expected from their spectroscopic redshift, four of them have strong emission lines, especially for the two [O III] emission-line objects. The remaining one target shows no H alpha emission in spite of its bright rest-UV luminosity, indicating that this object is already under the post-starburst phase. The volume-averaged SFR derived from the detected two H alpha emission is roughly consistent with that evaluated from the rest-UV continuum.
引用
收藏
页码:73 / 79
页数:7
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