Masami Ouchi
- 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
- 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, Yechi Zhang, Harikane, Yuichi +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
- Third data release of the Hyper Suprime-Cam Subaru Strategic Program
2021/12/15 by H. Aihara, Hiroaki Aihara, Yusra AlSayyad +81 · 38 citations
Engineering · #Real-time simulation and control systems
- 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
- 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
- Subaru High-<i>z</i> Exploration of Low-Luminosity Quasars (SHELLQs). II. Discovery of 32 quasars and luminous galaxies at 5.7 &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
- Morphologies of ~190,000 Galaxies at z=0-10 Revealed with HST Legacy Data I. Size Evolution
2015/03/25 by Takatoshi Shibuya, Shibuya, Takatoshi, Masami Ouchi +3 · 5 citations
Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Astronomy and Astrophysical Research
- 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
- The Spitzer Extragalactic Representative Volume Survey (SERVS): Survey Definition and Goals*
2012/07/01 by J.-C. Mauduit, Jean‐Christophe Mauduit, M. Lacy +114 · 3 citations
Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Radio Astronomy Observations and Technology #Astronomy and Astrophysical Research
- ALMA Lensing Cluster Survey: Deep 1.2 mm Number Counts and Infrared Luminosity Functions at z≃1-8
2023/03/03 by Seiji Fujimoto, Kotaro Kohno, Fujimoto, Seiji +82 · 5 citations
Physics and Astronomy · #Astrophysics and Star Formation Studies #Astronomy and Astrophysical Research #Stellar, planetary, and galactic studies
- JASMINE: Near-Infrared Astrometry and Time Series Photometry Science
2023/07/11 by Daisuke Kawata, Kawata, Daisuke, Hajime Kawahara +174 · 3 citations
Physics and Astronomy · #Astrophysics of Galaxies (astro-ph.GA) #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #History and Developments in Astronomy #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Solar and Stellar Astrophysics (astro-ph.SR)
- 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
- 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
- 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
- EMPRESS. XV. A New Determination of the Primordial Helium Abundance Suggesting a Moderately Low YP Value
2025/06/30 by Hiroto Yanagisawa, Masami Ouchi, Yanagisawa, Hiroto +39 · 8 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Electrical and Electromagnetic Research #Galaxies: Formation, Evolution, Phenomena #astro-ph.CO #astro-ph.GA
- Probing the Cosmic Reionization History with JWST: Gunn-Peterson and Lyα Damping Wing Absorption at 4.5 < z < 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
- 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
- MAMMOTH-Subaru. II. Diverse Populations of Circumgalactic Lyα Nebulae at Cosmic Noon
2024/05/21 by Mingyu Li, Li, Mingyu, Haibin Zhang +49 · 1 citation
Physics and Astronomy · #Galaxies: Formation, Evolution, Phenomena #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena
- 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
- VENUS: A Strongly Lensed Clumpy Galaxy at z∼11-12 behind the Galaxy Cluster MACS J0257.1-2325
2025/11/18 by Minami Nakane, Vasily Kokorev, Nakane, Minami +149 · 1 citation
#astro-ph.GA
- 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
- 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
- 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