JWST Measurements of Neutral Hydrogen Fractions and Ionized Bubble Sizes at $z=7-12$ Obtained with Ly$\alpha$ Damping Wing Absorptions in 26 Bright Continuum Galaxies

Hiroya Umeda,Masami Ouchi,Kimihiko Nakajima,Yuichi Harikane,Yoshiaki Ono, Yi Xu,Yuki Isobe,Yechi Zhang

arXiv (Cornell University)（2023）

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摘要

We present volume-averaged neutral hydrogen fractions $x_{\rm \HI}$ and ionized bubble radii $R_{\rm b}$ measured with Ly$\alpha$ damping wing absorptions of galaxies at the epoch of reionization. We combine JWST/NIRSpec spectra taken by CEERS, GO-1433, and DDT-2750 programs, and obtain 26 bright UV-continuum galaxies at $7更多

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ionized bubble sizes

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