Rchr
J-GLOBAL ID:202001016424017310   Update date: Sep. 21, 2024

Kawaguchi Kyohei

カワグチ キョウヘイ | Kawaguchi Kyohei
Affiliation and department:
Job title: 助教
Research field  (2): Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics ,  Astronomy
Research keywords  (7): Radiative transfer simulation ,  Kilonova ,  Gravitational wave ,  Numerical Relativity ,  Neutron star ,  Black hole ,  General Relativity
Research theme for competitive and other funds  (6):
  • 2021 - 2024 中性子星連星合体の電磁波対応天体の正確な予測に向けた研究
  • 2020 - 2024 Computing electromagnetic and gravitational-wave signals from neutron star mergers
  • 2017 - 2022 Physics and Astrophysics with gravitational waves from Binary Neutron star Coalescences, Black Hole Neutron star Coalescences, Pulsars and Magnetars
  • 2018 - 2020 Electromagnetic counterparts modeling for binary neutron star mergers
  • 2016 - 2020 Gravitational waves and electromagnetic signals from the merger of neutron star binaries
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Papers (31):
  • Hamid Hamidani, Masaomi Tanaka, Shigeo S. Kimura, Gavin P. Lamb, Kyohei Kawaguchi. GRB 211211A: The Case for an Engine-powered over r-process-powered Blue Kilonova. The Astrophysical Journal Letters. 2024. 971. 2. L30-L30
  • Masaomi Tanaka, Nanae Domoto, Wako Aoki, Miho N. Ishigaki, Shinya Wanajo, Kenta Hotokezaka, Kyohei Kawaguchi, Daiji Kato, Jae-Joon Lee, Ho-Gyu Lee, et al. Cerium Features in Kilonova Near-infrared Spectra: Implication from a Chemically Peculiar Star. The Astrophysical Journal. 2023. 953. 1. 17-17
  • Nanae Domoto, Masaomi Tanaka, Daiji Kato, Kyohei Kawaguchi, Kenta Hotokezaka, Shinya Wanajo. Lanthanide Features in Near-infrared Spectra of Kilonovae. The Astrophysical Journal. 2022. 939. 1. 8-8
  • Reetika Dudi, Ananya Adhikari, Bernd Brügmann, Tim Dietrich, Kota Hayashi, Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata, Wolfgang Tichy. Investigating GW190425 with numerical-relativity simulations. Physical Review D. 2022. 106. 8
  • Smaranika Banerjee, Masaomi Tanaka, Daiji Kato, Gediminas Gaigalas, Kyohei Kawaguchi, Nanae Domoto. Opacity of the Highly Ionized Lanthanides and the Effect on the Early Kilonova. The Astrophysical Journal. 2022. 934. 2. 117-117
more...
MISC (4):
  • Kyohei Kawaguchi, Sho Fujibayashi, Masaru Shibata. A Monte-Carlo based relativistic radiation hydrodynamics code with a higher-order scheme. 2022
  • Kota Hayashi, Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata. Properties of the remnant disk and the dynamical ejecta produced in low-mass black hole-neutron star mergers. 2020
  • Koutarou Kyutoku, Kyohei Kawaguchi, Kenta Kiuchi, Masaru Shibata, Keisuke Taniguchi. Reducing orbital eccentricity in initial data of black hole--neutron star binaries in the puncture framework. 2020
  • Kyohei Kawaguchi, Koutarou Kyutoku, Hiroyuki Nakano, Masaru Shibata. Extracting the cutoff frequency in the gravitational-wave spectrum of black hole-neutron star mergers. 2017
Education (2):
  • 2012 - 2017 Kyoto University Graduate School of Science Division of Physics and Astronomy
  • 2008 - 2012 Kyoto University Faculty of Science Faculty of Science
Work history (2):
  • 2018/03 - 現在 The University of Tokyo Institute for Cosmic Ray Research Assistant Professor
  • 2017/04 - 2018/03 Max Planck Institute for Gravitational Physics
Association Membership(s) (3):
日本天文学会 ,  日本物理学会 ,  理論天文学宇宙物理学懇談会
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