Dr. Kotaro Niinuma Profile

Dr. Kotaro Niinuma

at Yamaguchi Univ

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Author

Publications (4)

Proceedings Article | 23 August 2024 Poster + Paper

Black hole spacetime and properties of accretion flows and jets probed by Black Hole Explorer: science cases proposed by BHEX Japan team

Tomohisa Kawashima, Yuh Tsunetoe, Ken Ohsuga, Motoki Kino, Yosuke Mizuno, Kotaro Moriyama, Hiromi Saida, Kazunori Akiyama, Kazuhiro Hada, Kotaro Niinuma

Proceedings Volume 13092, 130926X (2024) https://doi.org/10.1117/12.3018053

KEYWORDS: General relativity, Radio interferometry, Polarization

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Proceedings Article | 23 August 2024 Presentation + Paper

The Black Hole Explorer: motivation and vision

Michael Johnson, Kazunori Akiyama, Rebecca Baturin, Bryan Bilyeu, Lindy Blackburn, Don Boroson, Alejandro Cárdenas-Avendaño, Andrew Chael, Chi-kwan Chan, Dominic Chang, Peter Cheimets, Cathy Chou, Sheperd Doeleman, Joseph Farah, Peter Galison, Ronald Gamble, Charles Gammie, Zachary Gelles, José Gómez, Samuel Gralla, Paul Grimes, Leonid Gurvits, Shahar Hadar, Kari Haworth, Kazuhiro Hada, Michael Hecht, Mareki Honma, Janice Houston, Ben Hudson, Sara Issaoun, He Jia, Svetlana Jorstad, Jens Kauffman, Yuri Kovalev, Peter Kurczynski, Robert Lafon, Alexandru Lupsasca, Robert Lehmensiek, Chung-Pei Ma, Daniel Marrone, Alan Marscher, Gary Melnick, Ramesh Narayan, Kotaro Niinuma, Scott Noble, Eric Palmer, Daniel C. Palumbo, Lenny Paritsky, Eliad Peretz, Dominic Pesce, Alexander Plavin, Eliot Quataert, Hannah Rana, Angelo Ricarte, Freek Roelofs, Katia Shtyrkova, Laura Sinclair, Jeffrey Small, Sridharan Tirupati Kumara, Ranjani Srinivasan, Andrew Strominger, Paul Tiede, Edward Tong, Jade Wang, Jonathan Weintroub, Maciek Wielgus, George Wong

Proceedings Volume 13092, 130922D (2024) https://doi.org/10.1117/12.3019835

KEYWORDS: Telescopes, Galactic astronomy, Spatial resolution, Shadows

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Proceedings Article | 23 August 2024 Presentation + Paper

The Japanese vision for the Black Hole Explorer mission

Kazunori Akiyama, Kotaro Niinuma, Kazuhiro Hada, Akihiro Doi, Yoshiaki Hagiwara, Aya Higuchi, Mareki Honma, Tomohisa Kawashima, Dimitar Kolev, Shoko Koyama, Sho Masui, Ken Ohsuga, Hidetoshi Sano, Hideki Takami, Yuh Tsunetoe, Yoshinori Uzawa, Takuya Akahori, Yuto Akiyama, Peter Galison, Takayuki Hayashi, Tomoya Hirota, Makoto Inoue, Yuhei Iwata, Michael Johnson, Motoki Kino, Yutaro Kofuji, Yosuke Mizuno, Kotaro Moriyama, Hiroshi Nagai, Kenta Nakamura, Shota Notsu, Fumie Ono, Yoko Oya, Tomoaki Oyama, Hannah Rana, Hiromi Saida, Ryo Saito, Yoshihiko Saito, Mahito Sasada, Satoko Sawada-Satoh, Mikiya Takahashi, Mieko Takamura, Edward Tong, Hiroyuki Tsuji, Shogo Yoshioka, Yoshimasa Watanabe

Proceedings Volume 13092, 130922E (2024) https://doi.org/10.1117/12.3019968

KEYWORDS: Telescopes, Galactic astronomy, Equipment, Astronomy, Radio interferometry, Extragalactic astronomy, Active galactic nuclei, Space observatories, Submillimeter telescopes

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Proceedings Article | 13 December 2020 Poster + Paper

Development of the multi-band simultaneous observation system of the Nobeyama 45-m Telescope in HINOTORI (Hybrid Installation project in NObeyama, Triple-band ORIented)

Nozomi Okada, Takeru Matsumoto, Hiroshi Kondo, Tatsuyuki Takashima, Sho Masui, Shota Ueda, Atsushi Nishimura, Takeshi Manabe, Toshikazu Onishi, Hideo Ogawa, Ryoko Amari, Toshihisa Tsutsumi, Takahiro Aoki, Satoko Sawada-Satoh, Kotaro Niinuma, Kenta Fujisawa, Kimihiro Kimura, Tetsuhiro Minamidani, Chieko Miyazawa, Hiroyuki Kaneko, Kazufumi Torii, Shigeru Takahashi, Yusuke Miyamoto, Kazuhiko Miyazawa, Tomoaki Oyama, Seiji Kameno, Hiroshi Imai

Proceedings Volume 11453, 1145349 (2020) https://doi.org/10.1117/12.2562137

KEYWORDS: Telescopes, Receivers, Optical instrument design, Optical mounts, Large telescopes

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