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Prof. Kazuhiro Hada
at National Astronomical Observatory of Japan
SPIE Involvement:
Author
Publications (5)
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
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
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
Proceedings Article | 16 August 2024 Poster + Paper
Development of 86 GHz low-noise wideband receiver for VERA
Proceedings Volume 13102, 1310229 (2024) https://doi.org/10.1117/12.3019667
KEYWORDS: Receivers, Waveguides, Telescopes, Signal attenuation, Quantum receivers, Design, Tunable filters, Optical isolators, Observatories, Cryocoolers
Proceedings Article | 19 July 2024 Poster
Development of the new digital back-end system (OCTAVE-DAS) and correlator system for VERA, JVN, and EAVN
Proceedings Volume 13096, 130963B (2024) https://doi.org/10.1117/12.3019554
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