Articles by Yuki Isobe

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Yuki Isobe

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JADES: comprehensive census of broad-line AGN from Reionization to Cosmic Noon revealed by JWST

29 April 2025 by Ignas Juodžbalis and others

Astrophysics of Galaxies

Fully virtual exploration of cellulose solvents

2 April 2025 by Yu Kaneko and others

Theoretical and Computational Chemistry, Computational Chemistry and Modeling

Stellar- and AGN-Driven Outflows in JWST Galaxies at z=3-9: More Frequent, Wider Opening Angles, and Mostly Bounded

28 March 2025 by Yi Xu and others at

National Astronomical Observatory of Japan

Astrophysics of Galaxies

Fe Abundances of Early Galaxies at z=9-12 Derived with Deep JWST Spectra

14 March 2025 by Minami Nakane and others

Astrophysics of Galaxies

The Physical Origin of Extreme Emission Line Galaxies at High redshifts: Strong {\sc [Oiii]} Emission Lines Produced by Obscured AGNs

13 March 2025 by Chenghao Zhu and others

Astrophysics of Galaxies

JADES: Average Nitrogen Enhancement in High-Redshift Broad-Line Active Galactic Nuclei

17 February 2025 by Yuki Isobe and others

Astrophysics of Galaxies

Automatic Feedback Generation for Short Answer Questions using Answer Diagnostic Graphs

27 January 2025 by Momoka Furuhashi and others

Computation and Language

BlackTHUNDER -- A non-stellar Balmer break in a black hole-dominated little red dot at z=7.04

22 January 2025 by Xihan Ji and others

Astrophysics of Galaxies

EMPRESS. X. Spatially resolved mass-metallicity relation in extremely metal-poor galaxies: evidence of episodic star-formation fueled by a metal-poor gas infall

5 December 2024 by Kimihiko Nakajima and others

Astrophysics of Galaxies

JWST, ALMA, and Keck Spectroscopic Constraints on the UV Luminosity Functions at z~7-14: Clumpiness and Compactness of the Brightest Galaxies in the Early Universe

29 November 2024 by Yuichi Harikane and others

Astrophysics of Galaxies

Probing Chemical Enrichment in Extremely Metal-Poor Galaxies

2 November 2024 by Keita Fukushima and others

Astrophysics of Galaxies

Dynamics of a Galaxy at z > 10 Explored by JWST Integral Field Spectroscopy: Hints of Rotating Disk Suggesting Weak Feedback

9 October 2024 by Yi Xu and others

Astrophysics of Galaxies

Low [O/Fe] Ratio in a Luminous Galaxy at the Early Cosmic Epoch (z>10): Signature of Short Delay Time or Bright Hypernovae/Pair-Instability Supernovae?

7 October 2024 by Minami Nakane and others

Astrophysics of Galaxies

Strong He I Emission Lines in High N/O Galaxies at z \sim 6 Identified in JWST Spectra: High He/H Abundance Ratios or High Electron Densities?

25 August 2024 by Hiroto Yanagisawa and others

Astrophysics of Galaxies

Balmer Decrement Anomalies in Galaxies at z ~ 6 Found by JWST Observations: Density-Bounded Nebulae or Excited H I Clouds?

25 August 2024 by Hiroto Yanagisawa and others

Astrophysics of Galaxies

JWST Measurements of Neutral Hydrogen Fractions and Ionized Bubble Sizes at z=7-12 Obtained with Lyα Damping Wing Absorptions in 27 Bright Continuum Galaxies

13 June 2024 by Hiroya Umeda and others

Astrophysics of Galaxies

Statistics for Galaxy Outflows at z\sim 6-9 with Imaging and Spectroscopic Signatures Identified with JWST/NIRCam and NIRSpec Data

8 May 2024 by Yechi Zhang and others at

National Astronomical Observatory of Japan

Astrophysics of Galaxies

Lyα Emission at z=7-13: Clear Lyα Equivalent Width Evolution Indicating the Late Cosmic Reionization History

29 March 2024 by Minami Nakane and others

Astrophysics of Galaxies

EMPRESS. XIII. Chemical Enrichments of Young Galaxies Near and Far at z ~ 0 and 4-10: Fe/O, Ar/O, S/O, and N/O Measurements with Chemical Evolution Model Comparisons

11 March 2024 by Kuria Watanabe and others at

National Astronomical Observatory of Japan

Astrophysics of Galaxies

EMPRESS. XIV. Strong High Ionization Lines of Young Galaxies at z=0-8: Ionizing Spectra Consistent with the Intermediate Mass Black Holes with M_{\rm BH}\sim 10^3-10^6\ M_\odot

10 March 2024 by Shun Hatano and others

Astrophysics of Galaxies

Solar neutrino measurements using the full data period of Super-Kamiokande-IV

20 February 2024 by Super-Kamiokande Collaboration and others

High Energy Physics

EMPRESS. XII. Statistics on the Dynamics and Gas Mass Fraction of Extremely-Metal Poor Galaxies

26 January 2024 by Yi Xu and others

Astrophysics of Galaxies

JWST and ALMA Multiple-Line Study in and around a Galaxy at z=8.496: Optical to FIR Line Ratios and the Onset of an Outflow Promoting Ionizing Photon Escape

25 January 2024 by Seiji Fujimoto and others at

National Astronomical Observatory of Japan

Astrophysics of Galaxies

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