Ichikawa, Kohei
- Birth of Rapidly Spinning, Overmassive Black Holes in the Early Universe
2024/02/22 by Kohei Inayoshi, Inayoshi, Kohei, Kohei Ichikawa +1 · 13 citations
Physics and Astronomy · #Astrophysics of Galaxies (astro-ph.GA) #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #FOS: Physical sciences #Relativity and Gravitational Theory
- Black hole mass and Eddington ratio distributions of less-luminous quasars at z∼4 in the Subaru Hyper Suprime-Cam Wide field
2023/11/15 by Wanqiu He, He, Wanqiu, Masayuki Akiyama +25 · 4 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena
- UNIONS: The Ultraviolet Near-Infrared Optical Northern Survey
2025/03/18 by Gwyn, Stephen, McConnachie, Alan W., Cuillandre, Jean-Charles +86 · 7 citations
#Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM)
- J1406+0102: Dust Obscured Galaxy Hiding Super Eddington Accretion System with Bright Radio Emission
2023/03/09 by Hikaru Fukuchi, Fukuchi, Hikaru, Kohei Ichikawa +17 · 2 citations
Physics and Astronomy · #Astrophysical Phenomena and Observations #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Galaxies: Formation, Evolution, Phenomena #High Energy Astrophysical Phenomena (astro-ph.HE) #Pulsars and Gravitational Waves Research
- 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 · 3 citations
Physics and Astronomy · #Radio Astronomy Observations and Technology #Astronomy and Astrophysical Research #Gamma-ray bursts and supernovae
- Bayesian inference is facilitated by modular neural networks with different time scales
2022/10/21 by Kohei Ichikawa, Kunihiko Kaneko, Ichikawa, Kohei +1 · 1 citation
Computer Science · Neuroscience · #EEG and Brain-Computer Interfaces #FOS: Biological sciences #Neural Networks and Applications #Neural dynamics and brain function #Neurons and Cognition (q-bio.NC)
- Digitization of Weather Records of Seungjeongwon Ilgi: A Historical Weather Dynamics Dataset of the Korean Peninsula in 1623-1910
2023/10/05 by Zeyu Lyu, Kohei Ichikawa, Lyu, Zeyu +7 · 1 citation
Agricultural and Biological Sciences · Earth and Planetary Sciences · Engineering · #Atmospheric and Oceanic Physics (physics.ao-ph) #Environmental Monitoring and Data Management #FOS: Physical sciences #Food Quality and Safety Studies #Marine and Coastal Research
- Origin of an Orbiting Star Around the Galactic Supermassive Black Hole
2023/11/15 by Shogo Nishiyama, Nishiyama, Shogo, T. Kara +15 · 1 citation
Physics and Astronomy · Engineering · #Astrophysical Phenomena and Observations #Adaptive optics and wavefront sensing #Mechanics and Biomechanics Studies