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Koki Sakuta

AGN number fraction in galaxy groups and clusters at z < 1.4 from the Subaru Hyper Suprime-Cam survey
2023 · Aoi Hashiguchi, Yoshiki Toba, et al. · Publications of the Astronomical Society of Japan · 23
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Efficient and precise fabrication of Wolter type-I x-ray mirrors via nickel electroforming replication using quartz glass mandrels
2023 · Gota Yamaguchi, Yusuke Matsuzawa, et al. · Review of Scientific Instruments · 17
Active Galactic Nucleus Properties of ∼1 Million Member Galaxies of Galaxy Groups and Clusters at z < 1.4 Based on the Subaru Hyper Suprime-Cam Survey
2024 · Yoshiki Toba, Aoi Hashiguchi, et al. · The Astrophysical Journal · 9
Development of Electroformed X-Ray Optics Bridging Synchrotron Radiation Technology and Space Astronomy
2026 · Ryuto Fujii, Koki Sakuta, et al. · Publications of the Astronomical Society of the Pacific · 5
Development of x-ray optics for the solar flare sounding rocket FOXSI-4: ground calibration
2024 · Kazuki Ampuku, Koki Sakuta, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray · 4
Soft X-Ray Energy Spectra in the Wide-field Galactic Disk Area Revealed with HaloSat
2024 · Kazuki Ampuku, Ikuyuki Mitsuishi, et al. · The Astrophysical Journal · 4
X-ray emission of F-type stars and its analogy with G-type stars
2025 · Shimura, Takuma, Mitsuishi, Ikuyuki, et al. · arXiv (Cornell University) · 2
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Development of x-ray optics for the solar flare sounding rocket FOXSI-4: vibration test
2024 · Ryuto Fujii, Koki Sakuta, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray · 2
XMM-Newton observations of ten high-redshift CAMIRA clusters of galaxies
2026 · Naomi Ota, Ikuyuki Mitsuishi, et al. · Publications of the Astronomical Society of Japan · 1
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FOXSI-4: the direct-focusing SXR and HXR sounding rocket instrument
2025 · Kristopher Cooper, Lindsay Glesener, et al. · UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy · 1
Development of x-ray optics for the solar flare sounding rocket FOXSI-4: ray-tracing simulation
2024 · Yusuke Yoshida, Koki Sakuta, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray · 1
Fabrication of ultra-high precision master mandrel toward sub-10 arcsec X-ray Wolter mirror for X-ray telescope
2026 · Makina Yabashi, Koki Sakuta, et al. · AIP Publishing
Supplement Number 1
2026 · Shutaro Mohri, Satoru Egawa, et al. · AIP Publishing
Fabrication of ultrahigh precision master mandrel toward sub-10 arcsec x-ray Wolter mirror for x-ray telescope
2026 · Shutaro Mohri, Satoru Egawa, et al. · Review of Scientific Instruments
A systematic study of the quiescent and outburst properties of X-ray-bright young stellar objects using XMM-Newton
2026 · Koki Sakuta, Ikuyuki Mitsuishi, et al. · Astronomy and Astrophysics
Compact, high-sensitivity imaging spectroscopic instruments for CubeSats: development status, simulations, and future prospects
2026 · Ikuyuki Mitsuishi, Yusuke Yoshida, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray
Compact, high-sensitivity x-ray imaging spectroscopic instruments for CubeSats: simulations
2026 · Yamato Ishida, Yusuke Yoshida, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray
Compact, high-sensitivity x-ray imaging spectroscopic instruments for CubeSats: development status
2026 · Makoto Yoshihara, Yusuke Yoshida, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray
Development of x-ray optics for the solar flare sounding rocket FOXSI-5
2026 · Yusuke Yoshida, Kazuki Ampuku, et al. · Space Telescopes and Instrumentation: Ultraviolet to Gamma Ray
Initial report of Timepix3 detector performance on the FOXSI-5 sounding rocket payload
2026 · Anna Tosolini, Savannah Perez-Piel, et al. · X-Ray, Optical, and Infrared Detectors for Astronomy
A Systematic Study of Young Stellar Objects Using XMM-Newton
2026 · 作田, 皓基 · Institutional Repositories DataBase (IRDB)
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Development of Electroformed X-ray Optics Bridging Synchrotron Technology and Space Astronomy
2026 · Fujii, Ryuto, Sakuta, Koki, et al. · arXiv (Cornell University)
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太陽フレアx線集光撮像分光観測ロケット実験foxsi-4
2024 · NARUKAGE, Noriyuki, MITSUISHI, Ikuyuki, et al. · Institutional Repositories DataBase (IRDB)
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Works count: 26
Citation count: 70
H-index: 4
I10-index: 2
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