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"au:"Hiroya Umeda"" — arXiv2 Search
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Dec 4, 2025
Little red dot variability over a century reveals black hole envelope via a giant Einstein cross
Jun 1, 2023
JWST Measurements of Neutral Hydrogen Fractions and Ionized Bubble Sizes at $z=7-12$ Obtained with Ly$α$ Damping Wing Absorptions in 27 Bright Continuum Galaxies