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J-GLOBAL ID:200901049107414255 Update date: Mar. 30, 2025

Kotaro Niinuma

ニイヌマ コウタロウ | Kotaro Niinuma
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Papers (107)

  • Tomohisa Kawashima, Yuh Tsunetoe, Ken Ohsuga, Motoki Kino, Yosuke Mizuno, Kotaro Moriyama, Hiromi Saida, Kazunori Akiyama, Kazuhiro Hada, Kotaro Niinuma. Black hole spacetime and properties of accretion flows and jets probed by Black Hole Explorer: science cases proposed by BHEX Japan team. Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave. 2024. 201-201
  • Michael Johnson, Kazunori Akiyama, Rebecca Baturin, Bryan Bilyeu, Lindy Blackburn, Don Boroson, Alejandro Cárdenas-Avendaño, Andrew Chael, Chi-kwan Chan, Dominic Chang, et al. The Black Hole Explorer: motivation and vision. Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave. 2024. 90-90
  • Kazunori Akiyama, Kotaro Niinuma, Kazuhiro Hada, Akihiro Doi, Yoshiaki Hagiwara, Aya Higuchi, Mareki Honma, Tomohisa Kawashima, Dimitar Kolev, Shoko Koyama, et al. The Japanese vision for the Black Hole Explorer mission. Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave. 2024. 91-91
  • Yuzhu Cui, Kazuhiro Hada, Tomohisa Kawashima, Motoki Kino, Weikang Lin, Yosuke Mizuno, Hyunwook Ro, Mareki Honma, Kunwoo Yi, Jintao Yu, et al. Precessing jet nozzle connecting to a spinning black hole in M87. Nature. 2023. 621. 7980. 711-715
  • Hiroshi Imai, Kotaro Niinuma, Hideo Ogawa, Tomoaki Oyama, Yusuke Shimizu, Chieko Miyazawa, Atsushi Nishimura, Nozomi Okada, Kei Amada, Ren Matsusaka, et al. HINOTORI and its perspective. 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). 2023. 336. 1-3
  • Satoko Sawada-Satoh, Nozomu Kawakatu, Kotaro Niinuma, Seiji Kameno. Very long baseline interferometry imaging of H2O maser emission in the nearby radio galaxy NGC 4261. Publications of the Astronomical Society of Japan. 2023
  • Hyunwook Ro, Motoki Kino, Bong Won Sohn, Kazuhiro Hada, Jongho Park, Masanori Nakamura, Yuzhu Cui, Kunwoo Yi, Aeree Chung, Jeffrey Hodgson, et al. Spectral analysis of a parsec-scale jet in M 87: Observational constraint on the magnetic field strengths in the jet. Astronomy & Astrophysics. 2023. 673. A159-A159
  • Gabriele Giovannini, Yuzhu Cui, Kazuhiro Hada, Kunwoo Yi, Hyunwook Ro, Bong Won Sohn, Mieko Takamura, Salvatore Buttaccio, Filippo D’Ammando, Marcello Giroletti, et al. The Past and Future of East Asia to Italy: Nearly Global VLBI. Galaxies. 2023. 11. 2. 49-49
  • Toshihisa Tsutsumi, Kotaro Niinuma, Hiroshi Imai, Ryoko Amari, Yusuke Shimizu, Hideo Ogawa, Atsushi Nishimura, Chieko Miyazawa, Tomoaki Oyama, Hiroyuki Kaneko, et al. HINOTORI and Its Perspectives in the Black-Hole Jet Study. Galaxies. 2023. 11. 1. 30-30
  • Sota Ikebe, Kazuhiro Takefuji, Toshio Terasawa, Sujin Eie, Takuya Akahori, Yasuhiro Murata, Tetsuya Hashimoto, Shota Kisaka, Mareki Honma, Shintaro Yoshiura, et al. Detection of a bright burst from the repeating fast radio burst 20201124A at 2 GHz. Publications of the Astronomical Society of Japan. 2023. 75. 1. 199-207
  • Kazunori Akiyama, Juan-Carlos Algaba, Tao An, Keiichi Asada, Kitiyanee Asanok, Do-Young Byun, Thanapol Chanapote, Wen Chen, Zhong Chen, Xiaopeng Cheng, et al. Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN). Galaxies. 2022. 10. 6. 113-113
  • Keita Kitaguchi, Kazuhito Motogi, Kenta Fujisawa, Kotaro Niinuma, Ryotaro Fujiwara. Yamaguchi interferometer survey of protostellar outflows embedded in 70-μm dark infrared dark cloud. Proceedings of the International Astronomical Union. 2022. 18. S380. 227-229
  • Kenta Fujisawa, Takahiro Aoki, Sho Kanazawa, Masanori Akimoto, Tatsuya Ogura, Kurena Mori, Kotaro Niinuma, Kazuhito Motogi, Satoko Sawada-Satoh, Kazuhiro Takefuji, et al. The Yamaguchi Interferometer. Publications of the Astronomical Society of Japan. 2022. 74. 6. 1415-1420
  • Hiroshi Imai, Hideo Ogawa, Kotaro Niinuma, Yusuke Shimizu, Tomoaki Oyama, Chieko Miyazawa, Atsushi Nishimura, Chiaki Nosohara, Nozomi Okada, Kei Amada, et al. Double-/triple-bands Simultaneous Observation System with Perforated Dichroic Filter Plates Equipped for the Nobeyama 45 m Radio Telescope. 2022 Asia-Pacific Microwave Conference (APMC). 2022
  • Ilje Cho, Guang-Yao Zhao, Tomohisa Kawashima, Motoki Kino, Kazunori Akiyama, Michael D. Johnson, Sara Issaoun, Kotaro Moriyama, Xiaopeng Cheng, Juan-Carlos Algaba, et al. The Intrinsic Structure of Sagittarius A* at 1.3 cm and 7 mm. The Astrophysical Journal. 2022. 926. 2. 108-108
  • V A Acciari, S Ansoldi, L A Antonelli, A Arbet Engels, M Artero, K Asano, D Baack, A Babić, A Baquero, U Barres de Almeida, et al. Multiwavelength study of the gravitationally lensed blazar QSO B0218+357 between 2016 and 2020. Monthly Notices of the Royal Astronomical Society. 2022. 510. 2. 2344-2362
  • Bunyo Hatsukade, Nozomu Tominaga, Tomoki Morokuma, Kana Morokuma-Matsui, Yuichi Matsuda, Yoichi Tamura, Kotaro Niinuma, Kazuhiro Motogi. A VLA Survey of Late-time Radio Emission from Superluminous Supernovae and the Host Galaxies. The Astrophysical Journal. 2021. 922. 1. 17-17
  • Motoki Kino, Kotaro Niinuma, Nozomu Kawakatu, Hiroshi Nagai, Gabriele Giovannini, Monica Orienti, Kiyoaki Wajima, Filippo D’Ammando, Kazuhiro Hada, Marcello Giroletti, et al. Morphological Transition of the Compact Radio Lobe in 3C 84 via the Strong Jet-Cloud Collision. The Astrophysical Journal Letters. 2021. 920. 1. L24-L24
  • Yu-Zhu Cui, Kazuhiro Hada, Motoki Kino, Bong-Won Sohn, Jongho Park, Hyun-Wook Ro, Satoko Sawada-Satoh, Wu Jiang, Lang Cui, Mareki Honma, et al. East Asian VLBI Network observations of active galactic nuclei jets: imaging with KaVA+Tianma+Nanshan. Research in Astronomy and Astrophysics. 2021. 21. 8. 205-205
  • J. C. Algaba, J. Anczarski, K. Asada, M. Baloković, S. Chandra, Y.-Z. Cui, A. D. Falcone, M. Giroletti, C. Goddi, K. Hada, et al. Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign. The Astrophysical Journal Letters. 2021. 911. 1. L11-L11

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