Updated on 2026/05/21

写真a

 
CHOI Insa
 
Organization
Research Field in Science, Science and Engineering Area Graduate School of Science and Engineering (Science) Department of Science Physics and Astronomy Program Assistant Professor
Title
Assistant Professor
Degree
PhD (2021.11 The University of Tokyo)
MS (2018.3 The University of Tokyo)
BS (2016.3 Kobe University)

Research Areas

Astronomy
 

Papers

  • Jinshi Sai; Eduard I. Vorobyov; Alexandr Skliarevskii; Michihiro Takami .  Morphological and Kinematic Diagnostic of FU Orionis-type Outburst Mechanisms .  The Astrophysical Journal995 ( 1 ) 129   2025.12Reviewed International coauthorship

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ae17c3

  • Ilseung Han; Woojin Kwon; Yusuke Aso; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Shigehisa Takakuwa; Leslie W. Looney; Yuri Aikawa; Christian Flores; Itziar de Gregorio-Monsalvo; Patrick M. Koch; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Zhe-Yu Daniel Lin; Jinshi Sai; Travis J. Thieme; Jonathan P. Williams; Sacha Gavino; Miyu Kido; Shih-Ping Lai; Nguyen Thi Phuong; Alejandro Santamaría-Miranda; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). XVII. A Compact but Structured Keplerian Disk and Large-scale Streamers Revealed in the Class I Protostellar System IRAS 04169+2702 .  The Astrophysical Journal993 ( 1 ) 120   2025.11Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ade684

  • Nguyen Thi Phuong; Chang Won Lee; John J. Tobin; Nagayoshi Ohashi; Jes K. Jørgensen; Shigehisa Takakuwa; Yuri Aikawa; Yusuke Aso; Zhi-Yun Li; Patrick M. Koch; Jonathan P. Williams; Sacha Gavino; Zhe-Yu Daniel Lin; Kengo Tomida; Woojin Kwon; Leslie W. Looney; Ilseung Han; Alejandro Santamaría-Miranda; Shih-Ping Lai; Hsi-Wei Yen; Travis J. Thieme; Jinshi Sai; Christian Flores .  Early Planet Formation in Embedded Disks (eDisk). XXII. Keplerian Disk, Disk Structures, and Jets/Outflows in the Class 0 Protostar IRAS 04166+2706 .  The Astrophysical Journal992 ( 1 ) 18   2025.10Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/adfa92

  • Alejandro Santamaría-Miranda; Pietro Curone; Laura Pérez; Nicolas T. Kurtovic; Carolina Agurto-Gangas; Anibal Sierra; Itziar de Gregorio-Monsalvo; Nuria Huélamo; James M. Miley; Aina Palau; Paola Pinilla; Isabel Rebollido; Álvaro Ribas; Pablo Rivière-Marichalar; Matthias R. Schreiber; Jinshi Sai; Benjamín Carrera .  Hints of Disk Substructure in the First Brown Dwarf with a Dynamical Mass Constraint .  The Astrophysical Journal Letters986 ( 1 ) L11   2025.6Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/2041-8213/add71f

  • Miyu Kido; Hsi-Wei Yen; Jinshi Sai; Shigehisa Takakuwa; Nagayoshi Ohashi; Yuri Aikawa; Yusuke Aso; Christian Flores; Ilseung Han; Patrick M. Koch; Woojin Kwon; Jeong-Eun Lee; Zhi-Yun Li; Leslie W. Looney; Mayank Narang; Kazuya Saigo; Rajeeb Sharma; Travis J. Thieme; Kengo Tomida; Jonathan P. Williams .  Early Planet Formation in Embedded Disks (eDisk). XXI. Limited Role of Streamers in Mass Supply to the Disk in the Class 0 Protostar IRAS 16544-1604 .  The Astrophysical Journal985 ( 2 ) 166   2025.6Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/adc72a

  • Mayank Narang; Nagayoshi Ohashi; John J. Tobin; M. K. McClure; Jes K. Jørgensen; Jinshi Sai (Insa Choi); eDisk + IceAge Team .  An Embedded Disk (eDisk) in the IceAge: Investigating the Jet and Outflow from Ced 110 IRS4 .  The Astronomical Journal169 ( 4 ) 192   2025.4Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-3881/adb1ba

  • Sacha Gavino; Jes K. Jørgensen; Rajeeb Sharma; Yao-Lun Yang; Zhi-Yun Li; John J. Tobin; Nagayoshi Ohashi; Shigehisa Takakuwa; Adele L. Plunkett; Woojin Kwon; Itziar de Gregorio-Monsalvo; Zhe-Yu Daniel Lin; Alejandro Santamaría-Miranda; Yusuke Aso; Jinshi Sai; Yuri Aikawa; Kengo Tomida; Patrick M. Koch; Jeong-Eun Lee; Chang Won Lee; Shih-Ping Lai; Leslie W. Looney; Suchitra Narayanan; Nguyen Thi Phuong; Travis J. Thieme; Merel L. R. van't Hoff; Jonathan P. Williams; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks. XI. A High-resolution View Toward the BHR 71 Class 0 Protostellar Wide Binary .  The Astrophysical Journal974 ( 1 ) 21   2024.10Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ad655e

  • Alejandro Santamaría-Miranda; Itziar de Gregorio-Monsalvo; Nagayoshi Ohashi; John J. Tobin; Jinshi Sai; Jes K. Jørgensen; Yusuke Aso; Zhe-Yu Daniel Lin; Christian Flores; Miyu Kido; Patrick M. Koch; Woojin Kwon; Chang Won Lee; Zhi-Yun Li; Leslie W. Looney; Adele L. Plunkett; Shigehisa Takakuwa; Merel L. R van't Hoff; Jonathan P. Williams; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk): XVI. Asymmetric dust disk driving a multicomponent molecular outflow in the young Class 0 protostar GSS30 IRS3 .  Astronomy & Astrophysics690   A46   2024.10Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1051/0004-6361/202449981

  • Hsi-Wei Yen; Jonathan P. Williams; Jinshi Sai; Patrick M. Koch; Ilseung Han; Jes K. Jørgensen; Woojin Kwon; Chang Won Lee; Zhi-Yun Li; Leslie W. Looney; Mayank Narang; Nagayoshi Ohashi; Shigehisa Takakuwa; John J. Tobin; Itziar de Gregorio-Monsalvo; Shih-Ping Lai; Jeong-Eun Lee; Kengo Tomida .  Early Planet Formation in Embedded Disks (eDisk). XV. Influence of Magnetic Field Morphology in Dense Cores on Sizes of Protostellar Disks .  The Astrophysical Journal969 ( 2 ) 125   2024.7Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ad4c6b

  • Frankie J. Encalada; Leslie W. Looney; Shigehisa Takakuwa; John J. Tobin; Nagayoshi Ohashi; Jes K. Jørgensen; Zhi-Yun Li; Yuri Aikawa; Yusuke Aso; Patrick M. Koch; Woojin Kwon; Shih-Ping Lai; Chang Won Lee; Zhe-Yu Daniel Lin; Alejandro Santamaría-Miranda; Itziar de Gregorio-Monsalvo; Nguyen Thi Phuong; Adele Plunkett; Jinshi Sai (Insa Choi); Rajeeb Sharma; Hsi-Wei Yen; Ilseung Han .  Early Planet Formation in Embedded Disks (eDisk). XIII. Aligned Disks with Nonsettled Dust around the Newly Resolved Class 0 Protobinary R CrA IRAS 32 .  The Astrophysical Journal966 ( 1 ) 32   2024.5Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ad3442

  • Jinshi Sai; Hsi-Wei Yen; Masahiro N. Machida; Nagayoshi Ohashi; Yusuke Aso; Anaëlle J. Maury; Sébastien Maret .  Multiple Outflows around a Single Protostar IRAS 15398-3359 .  The Astrophysical Journal966 ( 2 ) 192   2024.5Reviewed International coauthorship

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ad34b7

  • Shigehisa Takakuwa; Kazuya Saigo; Miyu Kido; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Yuri Aikawa; Yusuke Aso; Sacha Gavino; Ilseung Han; Patrick M. Koch; Woojin Kwon; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Zhe-Yu Daniel Lin; Leslie W. Looney; Shoji Mori; Jinshi Sai (Insa Choi); Rajeeb Sharma; Patrick D. Sheehan; Kengo Tomida; Jonathan P. Williams; Yoshihide Yamato; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). XIV. Flared Dust Distribution and Viscous Accretion Heating of the Disk around R CrA IRS 7B-a .  The Astrophysical Journal964 ( 1 ) 24   2024.3Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ad1f57

  • Yusuke Aso; Jinshi Sai (Insa Choi) .  Spectral Line Analysis/modeling (slam) i: Pvanalysis .  Publication of Korean Astronomical Society39 ( 2 ) 27   2024.1Reviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.5303/PKAS.2024.39.2.027

  • Travis J. Thieme; Shih-Ping Lai; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Jinshi Sai (Insa Choi); Yusuke Aso; Jonathan P. Williams; Yoshihide Yamato; Yuri Aikawa; Itziar de Gregorio-Monsalvo; Ilseung Han; Woojin Kwon; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Zhe-Yu Daniel Lin; Leslie W. Looney; Suchitra Narayanan; Nguyen Thi Phuong; Adele L. Plunkett; Alejandro Santamaría-Miranda; Rajeeb Sharma; Shigehisa Takakuwa; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). VIII. A Small Protostellar Disk around the Extremely Low Mass and Young Class 0 Protostar IRAS 15398-3359 .  The Astrophysical Journal958 ( 1 ) 60   2023.11Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ad003a

  • Christian Flores; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Shigehisa Takakuwa; Zhi-Yun Li; Zhe-Yu Daniel Lin; Merel L. R. van't Hoff; Adele L. Plunkett; Yoshihide Yamato; Jinshi Sai (Insa Choi); Patrick M. Koch; Hsi-Wei Yen; Yuri Aikawa; Yusuke Aso; Itziar de Gregorio-Monsalvo; Miyu Kido; Woojin Kwon; Jeong-Eun Lee; Chang Won Lee; Leslie W. Looney; Alejandro Santamaría-Miranda; Rajeeb Sharma; Travis J. Thieme; Jonathan P. Williams; Ilseung Han; Suchitra Narayanan; Shih-Ping Lai .  Early Planet Formation in Embedded Disks (eDisk). XII. Accretion Streamers, Protoplanetary Disk, and Outflow in the Class I Source Oph IRS 63 .  The Astrophysical Journal958 ( 1 ) 98   2023.11Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/acf7c1

  • Yusuke Aso; Woojin Kwon; Nagayoshi Ohashi; Jes K. Jørgensen; John J. Tobin; Yuri Aikawa; Itziar de Gregorio-Monsalvo; Ilseung Han; Miyu Kido; Patrick M. Koch; Shih-Ping Lai; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Zhe-Yu Daniel Lin; Leslie W. Looney; Suchitra Narayanan; Nguyen Thi Phuong; Jinshi Sai (Insa Choi); Kazuya Saigo; Alejandro Santamaría-Miranda; Rajeeb Sharma; Shigehisa Takakuwa; Travis J. Thieme; Kengo Tomida; Jonathan P. Williams; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). VI. Kinematic Structures around the Very-low-mass Protostar IRAS 16253-2429 .  The Astrophysical Journal954 ( 1 ) 101   2023.9Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ace624

  • Rajeeb Sharma; Jes K. Jørgensen; Sacha Gavino; Nagayoshi Ohashi; John J. Tobin; Zhe-Yu Daniel Lin; Zhi-Yun Li; Shigehisa Takakuwa; Chang Won Lee; Jinshi Sai (Insa Choi); Woojin Kwon; Itziar de Gregorio-Monsalvo; Alejandro Santamaría-Miranda; Hsi-Wei Yen; Yuri Aikawa; Yusuke Aso; Shih-Ping Lai; Jeong-Eun Lee; Leslie W. Looney; Nguyen Thi Phuong; Travis J. Thieme; Jonathan P. Williams .  Early Planet Formation in Embedded Disks (eDisk). IX. High-resolution ALMA Observations of the Class 0 Protostar R CrA IRS5N and Its Surroundings .  The Astrophysical Journal954 ( 1 ) 69   2023.9Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ace35c

  • Jinshi Sai; Hsi-Wei Yen; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Shigehisa Takakuwa; Kazuya Saigo; Yusuke Aso; Zhe-Yu Daniel Lin; Patrick M. Koch; Yuri Aikawa; Christian Flores; Itziar de Gregorio-Monsalvo; Ilseung Han; Miyu Kido; Woojin Kwon; Shih-Ping Lai; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Leslie W. Looney; Shoji Mori; Nguyen Thi Phuong; Alejandro Santamaría-Miranda; Rajeeb Sharma; Travis J. Thieme; Kengo Tomida; Jonathan P. Williams .  Early Planet Formation in Embedded Disks (eDisk). V. Possible Annular Substructure in a Circumstellar Disk in the Ced110 IRS4 System .  The Astrophysical Journal954 ( 1 ) 67   2023.9Reviewed International coauthorship

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ace52d

  • Yuka Terada; Hauyu Baobab Liu; David Mkrtichian; Jinshi Sai; Mihoko Konishi; Ing-Guey Jiang; Takayuki Muto; Jun Hashimoto; Motohide Tamura .  Anisotropic Ionizing Illumination from an M-type Pre-main-sequence Star, DM Tau .  The Astrophysical Journal953 ( 2 ) 147   2023.8Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/acdedf

  • Miyu Kido; Shigehisa Takakuwa; Kazuya Saigo; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Yuri Aikawa; Yusuke Aso; Frankie J. Encalada; Christian Flores; Sacha Gavino; Itziar de Gregorio-Monsalvo; Ilseung Han; Shingo Hirano; Patrick M. Koch; Woojin Kwon; Shih-Ping Lai; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Zhe-Yu Daniel Lin; Leslie W. Looney; Shoji Mori; Suchitra Narayanan; Adele L. Plunkett; Nguyen Thi Phuong; Jinshi Sai (Insa Choi); Alejandro Santamaría-Miranda; Rajeeb Sharma; Patrick D. Sheehan; Travis J. Thieme; Kengo Tomida; Merel L. R. van't Hoff; Jonathan P. Williams; Yoshihide Yamato; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). VII. Keplerian Disk, Disk Substructure, and Accretion Streamers in the Class 0 Protostar IRAS 16544-1604 in CB 68 .  The Astrophysical Journal953 ( 2 ) 190   2023.8Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/acdd7a

  • Merel L. R. van't Hoff; John J. Tobin; Zhi-Yun Li; Nagayoshi Ohashi; Jes K. Jørgensen; Zhe-Yu Daniel Lin; Yuri Aikawa; Yusuke Aso; Itziar de Gregorio-Monsalvo; Sacha Gavino; Ilseung Han; Patrick M. Koch; Woojin Kwon; Chang Won Lee; Jeong-Eun Lee; Leslie W. Looney; Suchitra Narayanan; Adele Plunkett; Jinshi Sai (Insa Choi); Alejandro Santamaría-Miranda; Rajeeb Sharma; Patrick D. Sheehan; Shigehisa Takakuwa; Travis J. Thieme; Jonathan P. Williams; Shih-Ping Lai; Nguyen Thi Phuong; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). III. A First High-resolution View of Submillimeter Continuum and Molecular Line Emission toward the Class 0 Protostar L1527 IRS .  The Astrophysical Journal951 ( 1 ) 10   2023.7Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/accf87

  • Zhe-Yu Daniel Lin; Zhi-Yun Li; John J. Tobin; Nagayoshi Ohashi; Jes Kristian Jørgensen; Leslie W. Looney; Yusuke Aso; Shigehisa Takakuwa; Yuri Aikawa; Merel L. R. van't Hoff; Itziar de Gregorio-Monsalvo; Frankie J. Encalada; Christian Flores; Sacha Gavino; Ilseung Han; Miyu Kido; Patrick M. Koch; Woojin Kwon; Shih-Ping Lai; Chang Won Lee; Jeong-Eun Lee; Nguyen Thi Phuong; Jinshi (Insa Choi) Sai; Rajeeb Sharma; Patrick Sheehan; Travis J. Thieme; Jonathan P. Williams; Yoshihide Yamato; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). II. Limited Dust Settling and Prominent Snow Surfaces in the Edge-on Class I Disk IRAS 04302+2247 .  The Astrophysical Journal951 ( 1 ) 9   2023.7Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/acd5c9

  • Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Shigehisa Takakuwa; Patrick Sheehan; Yuri Aikawa; Zhi-Yun Li; Leslie W. Looney; Jonathan P. Williams; Yusuke Aso; Rajeeb Sharma; Jinshi Sai (Insa Choi); Yoshihide Yamato; Jeong-Eun Lee; Kengo Tomida; Hsi-Wei Yen; Frankie J. Encalada; Christian Flores; Sacha Gavino; Miyu Kido; Ilseung Han; Zhe-Yu Daniel Lin; Suchitra Narayanan; Nguyen Thi Phuong; Alejandro Santamaría-Miranda; Travis J. Thieme; Merel L. R. van't Hoff; Itziar de Gregorio-Monsalvo; Patrick M. Koch; Woojin Kwon; Shih-Ping Lai; Chang Won Lee; Adele Plunkett; Kazuya Saigo; Shingo Hirano; Ka Ho Lam; Shoji Mori .  Early Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results .  The Astrophysical Journal951 ( 1 ) 8   2023.7Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/acd384

  • Yoshihide Yamato; Yuri Aikawa; Nagayoshi Ohashi; John J. Tobin; Jes K. Jørgensen; Shigehisa Takakuwa; Yusuke Aso; Jinshi Sai (Insa Choi); Christian Flores; Itziar de Gregorio-Monsalvo; Shingo Hirano; Ilseung Han; Miyu Kido; Patrick M. Koch; Woojin Kwon; Shih-Ping Lai; Chang Won Lee; Jeong-Eun Lee; Zhi-Yun Li; Zhe-Yu Daniel Lin; Leslie W. Looney; Shoji Mori; Suchitra Narayanan; Nguyen Thi Phuong; Kazuya Saigo; Alejandro Santamaría-Miranda; Rajeeb Sharma; Travis J. Thieme; Kengo Tomida; Merel L. R. van't Hoff; Hsi-Wei Yen .  Early Planet Formation in Embedded Disks (eDisk). IV. The Ringed and Warped Structure of the Disk around the Class I Protostar L1489 IRS .  The Astrophysical Journal951 ( 1 ) 11   2023.7Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/accd71

  • Jinshi Sai (Insa Choi); Nagayoshi Ohashi; Hsi-Wei Yen; Anaëlle J. Maury; Sébastien Maret .  Probing Velocity Structures of Protostellar Envelopes: Infalling and Rotating Envelopes within Turbulent Dense Cores .  The Astrophysical Journal944 ( 2 ) 222   2023.2Reviewed International coauthorship

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/acb3bd

  • Hsi-Wei Yen; Patrick M. Koch; Chin-Fei Lee; Naomi Hirano; Nagayoshi Ohashi; Jinshi Sai (Insa Choi); Shigehisa Takakuwa; Ya-Wen Tang; Ken'ichi Tatematsu; Bo Zhao .  Increasing Mass-to-flux Ratio from the Dense Core to the Protostellar Envelope around the Class 0 Protostar HH 211 .  The Astrophysical Journal942 ( 1 ) 32   2023.1Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/aca47f

  • Satoshi Ohashi; Hiroshi Kobayashi; Jinshi Sai; Nami Sakai .  No Evidence of the Significant Grain Growth but Tentative Discovery of Disk Substructure in a Disk around the Class I Protostar L1489 IRS .  The Astrophysical Journal933 ( 1 ) 23   2022.7Reviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ac6fcf

  • Jinshi Sai; Nagayoshi Ohashi; Anaëlle J. Maury; Sébastien Maret; Hsi-Wei Yen; Yusuke Aso; Mathilde Gaudel .  Which Part of Dense Cores Feeds Material to Protostars? The Case of L1489 IRS .  The Astrophysical Journal925 ( 1 ) 12   2022.1Reviewed International coauthorship

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ac341d

  • Jinshi Sai; Nagayoshi Ohashi; Kazuya Saigo; Tomoaki Matsumoto; Yusuke Aso; Shigehisa Takakuwa; Yuri Aikawa; Ippei Kurose; Hsi-Wei Yen; Kohji Tomisaka; Kengo Tomida; Masahiro N. Machida .  Disk Structure around the Class I Protostar L1489 IRS Revealed by ALMA: A Warped-disk System .  The Astrophysical Journal893 ( 1 ) 51   2020.4Reviewed International coauthorship

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/1538-4357/ab8065

  • Satoshi Mayama; Eiji Akiyama; Olja Panić; James Miley; Takashi Tsukagoshi; Takayuki Muto; Ruobing Dong; Jerome de Leon; Toshiyuki Mizuki; Daehyeon Oh; Jun Hashimoto; Jinshi Sai; Thayne Currie; Michihiro Takami; Carol A. Grady; Masahiko Hayashi; Motohide Tamura; Shu-ichiro Inutsuka .  ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk .  The Astrophysical Journal Letters868 ( 1 ) L3   2018.11Reviewed International coauthorship

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/2041-8213/aae88b

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Presentations

  • Predicting Observational Features of FU Orionis-type Outburst Mechanisms—Disk Kinematics and Line Morphology   International coauthorship

    2026.3 

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    Event date: 2026.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Handling Fits Images with Python: an Introduction of Imfits   Invited

    2026.3 

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    Event date: 2026.3

    Language:Japanese   Presentation type:Public lecture, seminar, tutorial, course, or other speech  

    Country:Japan  

  • Kinematical Diagnostic of FU Orionis-type Outburst Mechanisms   International coauthorship

    2025.10 

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    Event date: 2025.9 - 2025.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Jinshi Sai   Direct Measurement of Turbulence in the Embedded Disk Around HL Tau   International coauthorship International conference

    East-Asian ALMA Workshop 2025  2025.9 

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    Event date: 2025.9

    Language:English   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 崔仁士   ALMAを用いたHL Tau周囲の原始星円盤における乱流強度の直接測定   International coauthorship

    天文学会2025年秋季年会  2025.9  日本天文学会

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    Event date: 2025.9

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:下関メッセ,山口   Country:Japan  

  • Direct Measurement of Turbulence in the Outer Disk of HL Tau   International coauthorship

    2025.8 

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    Event date: 2025.8

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • Jinshi Sai   Multiple Outflows Observed in the Protostellar System IRAS15398–3359   International coauthorship International conference

    NA-TW joint ALMA workshop 2025  2025.6 

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    Event date: 2025.6

    Language:English   Presentation type:Oral presentation (general)  

    Country:Taiwan, Province of China  

  • 崔仁士   原始惑星系円盤の力学構造に基づくFU Orionis 型バースト機構の解明:分子 輝線観測予測   International coauthorship

    天文学会2026年春季年会  2025.3  日本天文学会

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    Event date: 2025.3

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:京都産業大学,京都   Country:Japan  

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Research Projects

  • 回転円盤の擾乱から解き明かす星と惑星の共進化

    Grant number:26160167  2026.4

    文部科学省  科学研究費助成事業 

    崔仁士

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\3500000 ( Direct Cost: \3500000 、 Indirect Cost:\1050000 )

  • 銀河団中心の星形成史を解き明かす鍵となる低温原子ガスの系統的観測

    Grant number:26190769  2026.4

    文部科学省  科学研究費助成事業 

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    Authorship:Coinvestigator(s)  Grant type:Competitive

    Grant amount:\14100000 ( Direct Cost: \14100000 、 Indirect Cost:\4230000 )