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Stellar metallicity of star-forming galaxies at z ~ 3
Veronica Sommariva, Filippo Mannucci, Giovanni Cresci +5
The stellar metallicity is a direct measure of the amount of metals present in a galaxy, as a large part of the metals lie in its stars. In this paper we investigate new stellar me…
Keck Spectroscopy of Lyman-break Galaxies and its Implications for the UV-continuum and Ly_alpha Luminosity Functions at z>6
Linhua Jiang, Eiichi Egami, Nobunari Kashikawa +6
We present Keck spectroscopic observations of z>6 Lyman-break galaxy (LBG) candidates in the Subaru Deep Field (SDF). The candidates were selected as i'-dropout objects down to z'=…
Chemical properties in the most distant radio galaxy
Kenta Matsuoka, Tohru Nagao, Roberto Maiolino +2
We present a deep optical spectrum of TN J0924-2201, the most distant radio galaxy at z = 5.19, obtained with FOCAS on the Subaru Telescope. We successfully detect, for the first t…
Completing the Census of Ly-alpha Emitters at the Reionization Epoch
Nobunari Kashikawa, Kazuhiro Shimasaku, Yuichi Matsuda +16
We carried out extended spectroscopic confirmations of Ly-alpha emitters (LAEs) at z=6.5 and 5.7 in the Subaru Deep Field. Now, the total number of spectroscopically confirmed LAEs…
Enhanced [CII] emission in a z=4.76 submillimetre galaxy
Carlos De Breuck, Roberto Maiolino, Paola Caselli +3
We present the detection of bright [CII] emission in the z=4.76 submillimetre galaxy LESS J033229.4-275619 using the Atacama Pathfinder EXperiment. This represents the highest reds…
A Census of Star-Forming Galaxies at z = 1-3 in the Subaru Deep Field
Chun Ly, Matthew A. Malkan, Masao Hayashi +5
Several UV and near-infrared color selection methods have identified galaxies at z = 1-3. Since each method suffers from selection biases, we have applied three leading techniques…