last modified：2026/10/16
Assistant Professor OBA, Takayoshi
Faculty, Affiliation
Advanced Research Center for Space Science and Technology
College and School Educational Field
Course in Information and Communication Engineering, School of Electrical, Information and Communication Engineering, College of Science and Engineering
Laboratory
Academic Background
Career
Kanazawa University Advanced Research Center for Space Science and Technology, Institute of Science and Engineering, Assistant Professor(2026/01-)
Max Planck Institute for Solar System Reserach Scientist (2024/01-2025/12)
National Astronomical Observatory of Japan(2021/04-2024/01)
Institute of Space and Astronautical Science / Japan Aerospace Exploration Agency(2018/04-2021/03)
Year & Month of Birth
Academic Society
Award
Specialities
Astronomy
Speciality Keywords
Research Themes
Books
Papers
- Magnetoacoustic Portals in Quiet-Sun Fluxtubes Revealed by Chromospheric Spectropolarimetry with SUNRISE III/SCIP Takayoshi Oba,Yukio Katsukawa,Masahito Kubo,Yusuke Kawabata,Takuma Matsumoto,Ryohtaroh T. Ishikawa,Yoshihiro Naito,Toshifumi Shimizu,Hirohisa Hara,Fumihiro Uraguchi,Toshihiro Tsuzuki,Kazuya Shinoda,Tomonori Tamura,Yoshinori Suematsu,Jose Carlos del Toro Iniesta,David Orozco Suárez,Maria Balaguer Jiménez,Azaymi L. Siu-Tapia,Carlos Quintero Noda,Sami K. Solanki,Andreas Lagg,Achim Gandorfer,Pietro Bernasconi,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,H. N. Smitha,Bianca Grauf,Michael Carpenter,Alexander Bell,Valentín Martínez Pillet,Francisco Javier Bailén,Julian Blanco Rodríguez,Juan Sebastián Castellanos Durán,Edvarda Harnes,Johannes Hölken,Francisco A. Iglesias,Hanna Strecker,Dušan Vukadinović The Astrophysical Journal Letters 2026/09/01
- Chromospheric Dynamics of an Umbral Flare Kernel—Based on Coordinated SUNRISE III SCIP and Domeless Solar Telescope Observations Ayumi Asai,Satoru UeNo,Takuma Matsumoto,Takayoshi Oba,Yukio Katsukawa,Masahito Kubo,Ryohtaroh T. Ishikawa,Yusuke Kawabata,Hirohisa Hara,Yoshihiro Naito,Toshifumi Shimizu,Sami K. Solanki,Andreas Lagg,Achim Gandorfer,Jose Carlos del Toro Iniesta,Pietro Bernasconi,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,H. N. Smitha,David Orozco Suárez,Bianca Grauf,Michael Carpenter,Alexander Bell,Valentín Martínez Pillet,Laurent Gizon,Francisco Javier Bailén,Julian Blanco Rodríguez,Juan Sebastián Castellanos Durán,Edvarda Harnes,Johannes Hoelken,Francisco A. Iglesias,Azaymi L. Siu-Tapia,Hanna Strecker,Dušan Vukadinović The Astrophysical Journal Letters 2026/09/01
- Three-dimensional Magnetic Field Structure of a Quiet-Sun Region Revealed by SUNRISE III/SCIP Masahito Kubo,Yukio Katsukawa,Yusuke Kawabata,Takayoshi Oba,Hirohisa Hara,Toshifumi Shimizu,Ryohtaroh T. Ishikawa,Takuma Matsumoto,Yoshihiro Naito,Fumihiro Uraguchi,Toshihiro Tsuzuki,Kazuya Shinoda,Tomonori Tamura,Yoshinori Suematsu,Jose Carlos del Toro Iniesta,David Orozco Suárez,Maria Balaguer Jiménez,Carlos Quintero Noda,Sami K. Solanki,Andreas Lagg,Achim Gandorfer,Pietro Bernasconi,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,H. N. Smitha,Bianca Grauf,Michael Carpenter,Alexander Bell,Valentín Martínez Pillet,Francisco Javier Bailén,Julian Blanco Rodríguez,Juan Sebastián Castellanos Durán,Edvarda Harnes,Johannes Hölken,Francisco A. Iglesias,Azaymi L. Siu-Tapia,Hanna Strecker,Dušan Vukadinović,Patrick A. Ondratschek The Astrophysical Journal Letters 2026/09/01
- 3D Magnetic Structures of Ellerman Bombs Revealed by SUNRISE III/SCIP Yusuke Kawabata,Yukio Katsukawa,Masahito Kubo,Takayoshi Oba,Takuma Matsumoto,Ryohtaroh T. Ishikawa,Yoshihiro Naito,Hirohisa Hara,Toshifumi Shimizu,Fumihiro Uraguchi,Toshihiro Tsuzuki,Kazuya Shinoda,Tomonori Tamura,Yoshinori Suematsu,Carlos Quintero Noda,Jose Carlos del Toro Iniesta,David Orozco Suárez,María Balaguer Jimenez,Sami K. Solanki,Andreas Lagg,Achim Gandorfer,Pietro Bernasconi,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,H. N. Smitha,Bianca Grauf,Michael Carpenter,Alexander Bell,Valentín Martínez Pillet,Francisco Javier Bailén,Julian Blanco Rodríguez,Juan Sebastián Castellanos Durán,Edvarda Harnes,Johannes Hoelken,Francisco A. Iglesias,Azaymi L. Siu-Tapia,Hanna Strecker,Dušan Vukadinović The Astrophysical Journal Letters 2026/08/20
- Magnetic Field Distribution along Spicules Revealed with SUNRISE III/SCIP Yoshihiro Naito,Yukio Katsukawa,David Orozco Suárez,Yusuke Kawabata,Hirohisa Hara,Masahito Kubo,Takayoshi Oba,Takuma Matsumoto,Ryohtaroh T. Ishikawa,Toshifumi Shimizu,Carlos Quintero Noda,Fumihiro Uraguchi,Toshihiro Tsuzuki,Kazuya Shinoda,Tomonori Tamura,Yoshinori Suematsu,Sami K. Solanki,Andreas Lagg,Achim Gandorfer,Pietro Bernasconi,Jose Carlos del Toro Iniesta,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,H. N. Smitha,Bianca Grauf,Michael Carpenter,Alexander Bell,Valentín Martínez Pillet,Francisco Javier Bailén,Julian Blanco Rodríguez,Juan Sebastián Castellanos Durán,Edvarda Harnes,Johannes Hölken,Francisco A. Iglesias,Azaymi L. Siu-Tapia,Hanna Strecker,Dušan Vukadinovic The Astrophysical Journal Letters 2026/08/10
- Vector Magnetic Field Associated with an Active Region Filament Observed by Sunrise III/SCIP in the Ca II 8542 Å Line Takuma Matsumoto,Yukio Katsukawa,Masahito Kubo,Yusuke Kawabata,Takayoshi Oba,Ryohtaroh T. Ishikawa,Yoshihiro Naito,Hirohisa Hara,Toshifumi Shimizu,Fumihiro Uraguchi,Toshihiro Tsuzuki,Kazuya Shinoda,Tomonori Tamura,Yoshinori Suematsu,Carlos Quintero Noda,Sami K. Solanki,Andreas Lagg,Achim Gandorfer,Jose Carlos del Toro Iniesta,Pietro Bernasconi,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,H. N. Smitha,David Orozco Suárez,Bianca Grauf,Michael Carpenter,Alexander Bell,Valentín Martínez Pillet,Francisco Javier Bailén,Julian Blanco Rodríguez,Juan Sebastián Castellanos Durán,Edvarda Harnes,Johannes Hölken,Francisco A. Iglesias,Azaymi L. Siu-Tapia,Hanna Strecker,Dušan Vukadinović,Pablo Santamarina Guerrero,Nour E. Raouafi The Astrophysical Journal Letters 2026/07/10
- Jitter sensing and reconstruction from temporal series of solar images: Applications to TuMag F. J. Bailén,D. Orozco Suárez,A. L. Siu-Tapia,H. Strecker,J. Blanco Rodríguez,D. Arroyo,P. Santamarina Guerrero,J. C. del Toro Iniesta,L. R. Bellot Rubio,C. Morrell,R. Gafeira,J. C. Trelles Arjona,A. Korpi-Lagg,A. Gandorfer,S. K. Solanki,Y. Katsukawa,P. Bernasconi,T. Berkefeld,A. Feller,T. L. Riethmüller,N. Raouafi,A. Vourladis,A. Álvarez-Herrero,M. Kubo,V. Martínez Pillet,H. N. Smitha,B. Grauf,F. A. Iglesias,A. Bell,Y. Kawabata,T. Oba,T. Matsumoto,R. T. Ishikawa,J. Hölken,D. Vukadinović,J. S. Castellanos Durán,E. Harnes,M. Balaguer Jiménez,E. Sanchis Kilders,I. Torralbo,C. Kuckein,D. Álvarez García,B. Aparicio del Moral,E. Bailón Martínez,A. Campos-Jara,M. Cebollero,A. B. Fernández-Medina,P. García Parejo,D. Garranzo-García,J. L. Gasent Blesa,A. C. López Jiménez,J. M. Morales-Fernández,A. J. Moreno Mantas,A. Moreno Vacas,A. Núñez Peral,I. Pérez-Grande,J. Piqueras Carreño,J. L. Ramos Más,J. Sánchez Barranquero,A. Sánchez Gómez,M. Silva-López,A. Tobaruela Astronomy & Astrophysics 708 A85 2026/03/30
- The First out-of-Ecliptic Observations of the Polar Magnetic Field of the Sun D. Calchetti,S. K. Solanki,J. Hirzberger,G. Valori,L. P. Chitta,J. Blanco Rodríguez,A. Giunta,T. Grundy,K. Albert,T. Appourchaux,F. J. Bailén,L. R. Bellot Rubio,A. Feller,A. Gandorfer,L. Gizon,A. Korpi-Lagg,X. Li,A. Moreno Vacas,T. Oba,D. Orozco Suárez,J. Schou,U. Schühle,J. Sinjan,H. Strecker,J. C. del Toro Iniesta,A. Ulyanov,R. Volkmer,J. Woch The Astrophysical Journal Letters 995 2 L60 2025/12/15
- Supergranulation and Poleward Migration of the Magnetic Field at High Latitudes of the Sun L. P. Chitta,D. Calchetti,J. Hirzberger,G. Valori,E. R. Priest,S. K. Solanki,D. Berghmans,C. Verbeeck,E. Kraaikamp,K. Albert,T. Appourchaux,F. J. Bailén,L. R. Bellot Rubio,J. Blanco Rodríguez,A. Feller,A. Gandorfer,L. Gizon,A. Lagg,A. Moreno Vacas,D. Orozco Suárez,J. Schou,U. Schühle,J. Sinjan,H. Strecker,R. Volkmer,J. Woch,X. Li,T. Oba,A. Ulyanov The Astrophysical Journal Letters 993 2 L45 2025/11/05
- Sunrise iii: Overview of Observatory and Instruments Andreas Korpi-Lagg,Achim Gandorfer,Sami K. Solanki,Jose Carlos del Toro Iniesta,Yukio Katsukawa,Pietro Bernasconi,Thomas Berkefeld,Alex Feller,Tino L. Riethmüller,Alberto Álvarez-Herrero,Masahito Kubo,Valentín Martínez Pillet,H. N. Smitha,David Orozco Suárez,Bianca Grauf,Michael Carpenter,Alexander Bell,María-Teresa Álvarez-Alonso,Daniel Álvarez García,Beatriz Aparicio del Moral,Julia Atiénzar,Daniel Ayoub,Francisco Javier Bailén,Eduardo Bailón Martínez,Maria Balaguer Jiménez,Peter Barthol,Montserrat Bayon Laguna,Luis R. Bellot Rubio,Melani Bergmann,Julian Blanco Rodríguez,Jan Bochmann,Juan Manuel Borrero,Antonio Campos-Jara,Juan Sebastián Castellanos Durán,María Cebollero,Aitor Conde Rodríguez,Werner Deutsch,Harry Eaton,Ana Belen Fernández-Medina,German Fernandez-Rico,Agustin Ferreres,Andrés García,Ramón María García Alarcia,Pilar García Parejo,Daniel Garranzo-García,José Luis Gasent Blesa,Karin Gerber,Dietmar Germerott,David Gilabert Palmer,Laurent Gizon,Miguel Angel Gómez Sánchez-Tirado,David González-Bárcena,Alejandro Gonzalo Melchor,Sam Goodyear,Hirohisa Hara,Edvarda Harnes,Klaus Heerlein,Frank Heidecke,Jan Heinrichs,David Hernández Expósito,Johann Hirzberger,Johannes Hoelken,Sangwon Hyun,Francisco A. Iglesias,Ryohtaroh T. Ishikawa,Minwoo Jeon,Yusuke Kawabata,Martin Kolleck,Hugo Laguna,Julian Lomas,Antonio C. López Jiménez,Paula Manzano,Takuma Matsumoto,David Mayo Turrado,Thimo Meierdierks,Stefan Meining,Markus Monecke,José Miguel Morales-Fernández,Antonio Jesús Moreno Mantas,Alejandro Moreno Vacas,Marc Ferenc Müller,Reinhard Müller,Yoshihiro Naito,Eiji Nakai,Armonía Núñez Peral,Takayoshi Oba,Geoffrey Palo,Isabel Pérez-Grande,Javier Piqueras Carreño,Tobias Preis,Damien Przybylski,Carlos Quintero Noda,Sandeep Ramanath,Jose Luis Ramos Más,Nour Raouafi,María-Jesús Rivas-Martínez,Pedro Rodríguez Martínez,Manuel Rodríguez Valido,Basilio Ruiz Cobo,Antonio Sánchez Rodríguez,Mariano Sanchez Toledo,Antonio Sánchez Gómez,Esteban Sanchis Kilders,Kamal Sant,Pablo Santamarina Guerrero,Erich Schulze,Toshifumi Shimizu,Manuel Silva-López,Kunal Singh,Azaymi L. Siu-Tapia,Thomas Sonner,Jan Staub,Hanna Strecker,Angel Tobaruela,Ignacio Torralbo,Alexandra Tritschler,Toshihiro Tsuzuki,Fumihiro Uraguchi,Reiner Volkmer,Angelos Vourlidas,Dušan Vukadinović,Stephan Werner,Andreas Zerr Solar Physics 300 5 2025/05/30
- Solar Orbiter reveals persistent magnetic reconnection in medium-scale filament eruptions Song Tan,Alexander Warmuth,Frédéric Schuller,Yuandeng Shen,Daniel F. Ryan,Daniele Calchetti,Johann Hirzberger,Takayoshi Oba,Artem Ulyanov,Gherardo Valori Astronomy & Astrophysics 702 A88 2025/10/08
- Multiline Stokes Synthesis of Ellerman Bombs: Obtaining Seamless Information from Photosphere to Chromosphere Yusuke Kawabata,Carlos Quintero Noda,Yukio Katsukawa,Masahito Kubo,Takuma Matsumoto,Takayoshi Oba The Astrophysical Journal 2024/01/01
- Compression Method for Solar Polarization Spectra Collected from Hinode SOT/SP Observations Batmunkh, Jargalmaa,Iida, Yusuke,Oba, Takayoshi,Iijima, Haruhisa 2024/11
- Spectroscopic Study of Heating Distributions and Mechanisms Using Hinode/EIS Shun Ishigami,Hirohisa Hara,Takayoshi Oba The Astrophysical Journal 2024/11/01
- SPGCam: A specifically tailored camera for solar observations Orozco Suárez, David,Álvarez García, Daniel,López Jiménez, Antonio C.,Balaguer Jiménez, María,Hernández Expósito, David,Labrousse, Pierre,Bailén, Francisco J.,Bustamante Díaz, Isabel,Bailón Martínez, Eduardo,Aparicio del Moral, Beatriz,Morales Fernández, José M.,Sánchez Gómez, Antonio,Tobaruela Abarca, Ángel,Moreno Mantas, Antonio J.,Ramos Más, José L.,Pérez Grande, Isabel,Piqueras Carreño, Javier,Katsukawa, Yukio,Kubo, Masahito,Kawabata, Yusuke,Oba, Takayoshi,Rodríguez Valido, Manuel,Magdaleno Castelló, Eduardo,Del Toro Iniesta, Jose Carlos Frontiers in Astronomy and Space Sciences 2023/05
- A Comparison of Velocimetry Algorithms: Orthogonal Dynamic Programming Based Particle Image Velocimetry Versus Local Correlation Tracking Kobayashi, Tatsuya,Ishikawa, Ryohtaroh T.,Nakata, Motoki,Oba, Takayoshi,Katsukawa, Yukio Plasma and Fusion Research 2023/07
- High-speed data processing onboard sunrise chromospheric infrared spectropolarimeter for the SUNRISE III balloon telescope Kubo, Masahito,Katsukawa, Yukio,Hernández Expósito, David,Sánchez Gómez, Antonio,Balaguer Jimenéz, María.,Orozco Suárez, David,Morales Fernández, José M.,Aparicio del Moral, Beatriz,Moreno Mantas, Antonio J.,Bailón Martínez, Eduardo,del Toro Iniesta, Jose Carlos,Kawabata, Yusuke,Quintero Noda, Carlos,Oba, Takayoshi,Ishikawa, Ryohtaroh T.,Shimizu, Toshifumi Journal of Astronomical Telescopes, Instruments, and Systems 2023/07
- Polarimetric calibration of a spectropolarimeter instrument with high precision: Sunrise chromospheric infrared spectropolarimeter (SCIP) for the sunrise iii balloon telescope Kawabata, Yusuke,Katsukawa, Yukio,Kubo, Masahito,Anan, Tetsu,Ichimoto, Kiyoshi,Shinoda, Kazuya,Tsuzuki, Toshihiro,Uraguchi, Fumihiro,Nagata, Shin'ichi,Oba, Takayoshi,Expósito, David Hernández,Sánchez Gómez, Antonio,Orozco Suárez, David,Balaguer Jiménz, María,Bailón Martínez, Eduardo,Morales Fernández, José Miguel,Moreno Mantas, Antonio,del Toro Iniesta, Jose Carlos,Gandorfer, Achim,Feller, Alex Applied Optics 2022/11
- Development of Fast and Precise Scan Mirror Mechanism for an Airborne Solar Telescope Takayoshi Oba,Toshifumi Shimizu,Yukio Katsukawa,Masahito Kubo,Yusuke Kawabata,Hirohisa Hara,Fumihiro Uraguchi,Toshihiro Tsuzuki,Tomonori Tamura,Kazuya Shinoda,Kazuhide Kodeki,Kazuhiko Fukushima,José Miguel Morales Fernández,Antonio Sánchez Gómez,María Balaguer Jimenéz,David Hernández Expósito,Achim Gandorfer Solar Physics 2022/09
- Structure of the Gas Convection in the Solar Surface Oba, Takayoshi Astronomical Herald 2021/10
- SUNRISE-3 Balloon-borne Solar Observatory: Development of Scan Mirror Mechanism for Spectropolarimeter Takayoshi Oba JAXA-RR 2021/02/26
- Relationship between magnetic field properties and statistical flow using numerical simulation and magnetic feature tracking on solar photosphere Takahata, K.,Hotta, H.,Iida, Y.,Oba, T. Monthly Notices of the Royal Astronomical Society 2021/05
- SUNRISE Chromospheric Infrared spectroPolarimeter (SCIP) for SUNRISE III: Scan mirror mechanism Takayoshi Oba,Toshifumi Shimizu,Yukio Katsukawa,Masahito Kubo,Fumihiro Uraguchi,Toshihiro Tsuzuki,Tomonori Tamura,Kazuya Shinoda,Kazuhide Kodeki,Kazuhiko Fukushima,Achim Gandorfer,Jose Carlos del Toro Iniesta Proc. SPIE "Ground-based and Airborne Telescopes VIII" 11445 114454F 2020/12/13
- Average Radial Structures of Gas Convection in the Solar Granulation T. Oba,Y. Iida,T. Shimizu The Astrophysical Journal 890 2 141 2020/02/21
- Study of the Dynamics of Convective Turbulence in the Solar Granulation by Spectral Line Broadening and Asymmetry Ishikawa, Ryohtaroh T.,Katsukawa, Yukio,Oba, Takayoshi,Nakata, Motoki,Nagaoka, Kenichi,Kobayashi, Tatsuya The Astrophysical Journal 2020/02
- Chromospheric polarimetry through multiline observations of the 850 nm spectral region III: Chromospheric jets driven by twisted magnetic fields Quintero Noda, C.,Iijima, H.,Katsukawa, Y.,Shimizu, T.,Carlsson, M.,de la Cruz Rodríguez, J.,Ruiz Cobo, B.,Orozco Suárez, D.,Oba, T.,Anan, T.,Kubo, M.,Kawabata, Y.,Ichimoto, K.,Suematsu, Y. Monthly Notices of the Royal Astronomical Society 2019/07
- Three-dimensional Convective Velocity fields in the Solar Photosphere Oba, Takayoshi 2018
- Solar polarimetry in the K I D2 line : A novel possibility for a stratospheric balloon Quintero Noda, C.,Villanueva, G. L.,Katsukawa, Y.,Solanki, S. K.,Orozco Suárez, D.,Ruiz Cobo, B.,Shimizu, T.,Oba, T.,Kubo, M.,Anan, T.,Ichimoto, K.,Suematsu, Y. Astronomy and Astrophysics 2018/03
- Study of the polarization produced by the Zeeman effect in the solar Mg I b lines Quintero Noda, C.,Uitenbroek, H.,Carlsson, M.,Orozco Suárez, D.,Katsukawa, Y.,Shimizu, T.,Ruiz Cobo, B.,Kubo, M.,Oba, T.,Kawabata, Y.,Hasegawa, T.,Ichimoto, K.,Anan, T.,Suematsu, Y. Monthly Notices of the Royal Astronomical Society 2018/12
- Chromospheric polarimetry through multiline observations of the 850-nm spectral region - II. A magnetic flux tube scenario Quintero Noda, C.,Kato, Y.,Katsukawa, Y.,Oba, T.,de la Cruz Rodríguez, J.,Carlsson, M.,Shimizu, T.,Orozco Suárez, D.,Ruiz Cobo, B.,Kubo, M.,Anan, T.,Ichimoto, K.,Suematsu, Y. Monthly Notices of the Royal Astronomical Society 2017/11
- Chromospheric polarimetry through multiline observations of the 850-nm spectral region Quintero Noda, C.,Shimizu, T.,Katsukawa, Y.,de la Cruz Rodríguez, J.,Carlsson, M.,Anan, T.,Oba, T.,Ichimoto, K.,Suematsu, Y. Monthly Notices of the Royal Astronomical Society 2017/02
- Height-dependent Velocity Structure of Photospheric Convection in Granules and Intergranular Lanes withHinode/SOT T. Oba,Y. Iida,T. Shimizu The Astrophysical Journal 836 1 40 2017/02/07
- Solar polarimetry through the K I lines at 770 nm Quintero Noda, C.,Uitenbroek, H.,Katsukawa, Y.,Shimizu, T.,Oba, T.,Carlsson, M.,Orozco Suárez, D.,Ruiz Cobo, B.,Kubo, M.,Anan, T.,Ichimoto, K.,Suematsu, Y. Monthly Notices of the Royal Astronomical Society 2017/09
- The Small-scale Structure of Photospheric Convection Retrieved by a Deconvolution Technique Applied toHinode/SP Data T. Oba,T. L. Riethmüller,S. K. Solanki,Y. Iida,C. Quintero Noda,T. Shimizu The Astrophysical Journal 849 1 7 2017/10/24
- Development of Linear Motion Mechanism for High-Precision Space Telescopes: Performance Assessment with a Large Number of Operations in Vacuum Environments Takayoshi Oba JAXA-RR 2015/03