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Diffuse Lyman-alpha Halos around Galaxies at z=2.2-6.6: Implications for Galaxy Formation and Cosmic Reionization
Rieko Momose, Masami Ouchi, Kimihiko Nakajima +6
We present diffuse Lyman-alpha halos (LAHs) identified in the composite Subaru narrowband images of 100-3600 Lyman-alpha emitters (LAEs) at z=2.2, 3.1, 3.7, 5.7, and 6.6. First, we…
Accelerated Evolution of Ly Luminosity Function at Revealed by the Subaru Ultra-Deep Survey for Ly Emitters at
Akira Konno, Masami Ouchi, Yoshiaki Ono +8
We present the ultra-deep Subaru narrowband imaging survey for Lya emitters (LAEs) at in SXDS and COSMOS fields with a total integration time of 106 hours. Exploiting our n…
What is the Physical Origin of Strong Lya Emission? I. Demographics of Lya Emitter Structures
Takatoshi Shibuya, Masami Ouchi, Kimihiko Nakajima +5
We present the results of structure analyses for a large sample of 426 Lya emitters (LAEs) at z~2.2 that are observed with HST/ACS and WFC3-IR by deep extra-galactic legacy surveys…
What is the physical origin of strong Lya emission? II. Gas Kinematics and Distribution of Lya Emitters
Takatoshi Shibuya, Masami Ouchi, Kimihiko Nakajima +8
We present a statistical study of velocities of Lya, interstellar (IS) absorption, and nebular lines and gas covering fraction for Lya emitters (LAEs) at z~2. We make a sample of 2…