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Yuichi Harikane

  1. The Hyper Suprime-Cam SSP Survey: Overview and survey design
    2017/08/04 by Hiroaki Aihara, Nobuo Arimoto, Robert Armstrong +141 · 48 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Radio Astronomy Observations and Technology #Galaxies: Formation, Evolution, Phenomena
  2. A JWST/NIRSpec First Census of Broad-Line AGNs at z=4-7: Detection of 10 Faint AGNs with MBH~106-108 Msun and Their Host Galaxy Properties
    2023/03/21 by Yuichi Harikane, Harikane, Yuichi, Yechi Zhang +15 · 52 citations
    Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena
  3. Third data release of the Hyper Suprime-Cam Subaru Strategic Program
    2021/12/15 by Hiroaki Aihara, H. Aihara, Yusra AlSayyad +81 · 38 citations
    Engineering · #Real-time simulation and control systems
  4. Pure Spectroscopic Constraints on UV Luminosity Functions and Cosmic Star Formation History From 25 Galaxies at zspec=8.61-13.20 Confirmed with JWST/NIRSpec
    2023/04/13 by Yuichi Harikane, Kimihiko Nakajima, Harikane, Yuichi +13 · 17 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena #Gamma-ray bursts and supernovae
  5. 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
    2024/06/26 by Yuichi Harikane, Akio Inoue, Harikane, Yuichi +67 · 26 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena #Stellar, planetary, and galactic studies
  6. Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). VIII. A less biased view of the early co-evolution of black holes and host galaxies
    2019/08/07 by Takuma Izumi, Masafusa Onoue, Yoshiki Matsuoka +24 · 9 citations
    Physics and Astronomy · Engineering · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research #Space Technology and Applications
  7. Subaru High-<i>z</i> Exploration of Low-Luminosity Quasars (SHELLQs). II. Discovery of 32 quasars and luminous galaxies at 5.7 &amp;lt; <i>z</i> ≤ 6.8
    2017/05/23 by Yoshiki Matsuoka, Masafusa Onoue, Nobunari Kashikawa +43 · 8 citations
    Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research #Scientific Research and Discoveries
  8. Morphologies of ~190,000 Galaxies at z=0-10 Revealed with HST Legacy Data I. Size Evolution
    2015/03/25 by Takatoshi Shibuya, Masami Ouchi, Shibuya, Takatoshi +3 · 5 citations
    Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research
  9. Subaru High-<i>z</i> Exploration of Low-Luminosity Quasars (SHELLQs). III. Star formation properties of the host galaxies at <i>z</i> ≳ 6 studied with ALMA
    2018/02/20 by Takuma Izumi, Masafusa Onoue, Hikari Shirakata +26 · 7 citations
    Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies
  10. JWST Identification of Extremely Low C/N Galaxies with [N/O]\gtrsim 0.5 at z∼ 6-10 Evidencing the Early CNO-Cycle Enrichment and a Connection with Globular Cluster Formation
    2023/07/03 by Yuki Isobe, Isobe, Yuki, Masami Ouchi +21 · 6 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena #Stellar, planetary, and galactic studies
  11. Challenging the AGN scenario for JWST/NIRSpec LRD and non-LRD broad Hα emitters in light of non-detection of NIRCam photometric variability and X-ray
    2024/07/05 by Mitsuru Kokubo, Kokubo, Mitsuru, Yuichi Harikane +1 · 6 citations
    Physics and Astronomy · Engineering · #Advanced Optical Sensing Technologies #Optical Systems and Laser Technology #Astronomical Observations and Instrumentation
  12. Probing the Origin of the Star Formation Excess Discovered by JWST through Gamma-Ray Bursts
    2024/09/17 by Tatsuya Matsumoto, Matsumoto, Tatsuya, Yuichi Harikane +5 · 5 citations
    Physics and Astronomy · Engineering · #Gamma-ray bursts and supernovae #Astronomy and Astrophysical Research #Astronomical Observations and Instrumentation
  13. SILVERRUSH. XIV. Lya Luminosity Functions and Angular Correlation Functions from ~20,000 Lya Emitters at z~2.2-7.3 from upto 24 \rm deg2 HSC-SSP and CHORUS Surveys: Linking the Post-Reionization Epoch to the Heart of Reionization
    2024/11/23 by Hiroya Umeda, Umeda, Hiroya, Masami Ouchi +25 · 4 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences
  14. SILVERRUSH. XIII. A Catalog of 20,567 Lyα Emitters at z=2-7 Identified in the Full-depth Data of the Subaru/HSC-SSP and CHORUS Surveys
    2023/05/15 by Satoshi Kikuta, Masami Ouchi, Kikuta, Satoshi +29 · 2 citations
    Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research #Gamma-ray bursts and supernovae
  15. JWST Census for the Mass-Metallicity Star-Formation Relations at z=4-10 with the Self-Consistent Flux Calibration and the Proper Metallicity Calibrators
    2023/01/30 by Kimihiko Nakajima, Masami Ouchi, Nakajima, Kimihiko +13 · 2 citations
    Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research #Stellar, planetary, and galactic studies
  16. EMPRESS. XV. A New Determination of the Primordial Helium Abundance Suggesting a Moderately Low YP Value
    2025/06/30 by Hiroto Yanagisawa, Yanagisawa, Hiroto, Masami Ouchi +39 · 8 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Electrical and Electromagnetic Research #Galaxies: Formation, Evolution, Phenomena #astro-ph.CO #astro-ph.GA
  17. Probing the Cosmic Reionization History with JWST: Gunn-Peterson and Lyα Damping Wing Absorption at 4.5 &lt; z &lt; 13
    2025/04/07 by Hiroya Umeda, Umeda, Hiroya, Masami Ouchi +11 · 3 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #Cosmology and Gravitation Theories #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena
  18. Census for the Rest-frame Optical and UV Morphologies of Galaxies at z=4-10: First Phase of Inside-Out Galaxy Formation
    2023/09/06 by Yoshiaki Ono, Ono, Yoshiaki, Yuichi Harikane +17 · 1 citation
    Physics and Astronomy · #Adaptive optics and wavefront sensing #Astronomy and Astrophysical Research #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena
  19. Strong He I Emission Lines in High N/O Galaxies at z ∼ 6 Identified in JWST Spectra: High He/H Abundance Ratios or High Electron Densities?
    2024/05/03 by Hiroto Yanagisawa, Yanagisawa, Hiroto, Masami Ouchi +31 · 1 citation
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena
  20. A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). X. The Massive and Passive Nature of Radio Galaxies at z ∼ 4
    2024/11/28 by Yuta Yamamoto, Tohru Nagao, Yamamoto, Yuta +19 · 1 citation
    Physics and Astronomy · #Radio Astronomy Observations and Technology #Astronomy and Astrophysical Research #Gamma-ray bursts and supernovae
  21. VENUS: A Strongly Lensed Clumpy Galaxy at z∼11-12 behind the Galaxy Cluster MACS J0257.1-2325
    2025/11/18 by Minami Nakane, Nakane, Minami, Vasily Kokorev +149 · 1 citation
    #astro-ph.GA
  22. Gas-Phase Metallicity and Nitrogen Abundances in Low-Mass Galaxies Down to M_⋆≃105.7 M_\odot at z≃4.5--10.1 from JWST Lensing Cluster Surveys
    2026/07/17 by Hiroya Umeda, Masami Ouchi, Kimihiko Nakajima +7
    #astro-ph.GA
  23. ATLAS. II. Extremely High Incidence of Balmer Line Absorption with Predominant Blueshifts in LRDs: Statistical Insights through Comparison with Type 1 AGNs
    2026/07/28 by Hiroto Yanagisawa, Masami Ouchi, Tomokazu Kiyota +6
    Physics and Astronomy · #astro-ph.GA
  24. VENUS: an ultra-faint galaxy hosting the metal-poor type II supernova at z=5.13 Witnessing the initial metal enrichment with extremely frequent core-collapse supernovae?
    2026/07/15 by Yoshihisa Asada, Seiji Fujimoto, Joseph F. V. Allingham +50
    #astro-ph.GA #astro-ph.HE