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Takashi Kojima

University of Tokyo

43

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Subaru/FOCAS IFU revealed the metallicity gradient of a local extremely metal-poor galaxy

2021 Publications of the Astronomical Society of Japan
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A machine learning software to estimate morphological parameters of distant galaxies

2020
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Rest-frame UV properties of luminous strong gravitationally lensed Lyα emitters from the BELLS GALLERY Survey

2020 Monthly Notices of the Royal Astronomical Society
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Early Low-mass Galaxies and Star-cluster Candidates at z ∼ 6-9 Identified by the Gravitational-lensing Technique and Deep Optical/Near-infrared Imaging

2020 The Astrophysical Journal
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Three-dimensional Distribution Map of H i Gas and Galaxies around an Enormous Lyα Nebula and Three QSOs at z = 2.3 Revealed by the H i Tomographic Mapping Technique

2020 The Astrophysical Journal
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EMPRESS. II. Highly Fe-Enriched Metal-poor Galaxies with $\sim 1.0$ (Fe/O)$_\odot$ and $0.02$ (O/H)$_\odot$ : Possible Traces of Super Massive ($>300 M_{\odot}$) Stars in Early Galaxies

2020 arXiv: Astrophysics of Galaxies
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Empress. III. morphology, stellar population, and dynamics of extremely metal poor galaxies (empgs): Are empgs local analogs of high-z young galaxies?

2020
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Empress. II. highly Fe-enriched metal-poor galaxies with ∼ 1.0 (Fe/O)⊙ and 0.02 (O/H)⊙: Possible traces of super massive (> 300M⊙) stars in early galaxies

2020
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Extremely Metal-Poor Representatives Explored by the Subaru Survey (EMPRESS). I. A Successful Machine Learning Selection of Metal-Poor Galaxies and the Discovery of a Galaxy with M*<10^6 M_sun and 0.016 Z_sun

2020 The Astrophysical Journal
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Early Low-mass Galaxies and Star-cluster Candidates at z ∼ 6–9 Identified by the Gravitational-lensing Technique and Deep Optical/Near-infrared Imaging

2020 The Astrophysical Journal
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