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Upper limits on the mass and luminosity of Population III-dominated galaxies
Hidenobu Yajima, Sadegh Khochfar
We here derive upper limits on the mass and luminosity of Population III (POPIII) dominated proto-galaxies based on the collapse of primordial gas under the effect of angular momen…
Rapid Black Hole Growth under Anisotropic Radiation Feedback
Kazuyuki Sugimura, Takashi Hosokawa, Hidenobu Yajima +1
Discovery of high-redshift (z > 6) supermassive black holes (BHs) may indicate that the rapid (or super-Eddington) gas accretion has aided their quick growth. Here, we study such r…
Japanese Cosmic Dawn/Epoch of Reionization Science with the Square Kilometre Array
Kenji Hasegawa, Shinsuke Asaba, Kiyotomo Ichiki +10
Cosmic reionization is known to be a major phase transition of the gas in the Universe. Since astronomical objects formed in the early Universe, such as the first stars, galaxies a…