Dr. Hiroshi Nagai Profile

Dr. Hiroshi Nagai

at National Astronomical Observatory of Japan

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Author

Publications (3)

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 | 2 September 2022 Presentation + Paper

ALMA Band-1 (35-50GHz) receiver: first light, performance, and road to completion

Yau-De Huang, Yuh-Jing Hwang, Chau-Ching Chiong, Hsi-Wei Yen, Patrick Michel Koch, Chi-Den Huang, Bill Liu, Cheng Lin Chen, Jwu Jiun Tsai, Wei-Ling Hsiung, Li-Pin Chi, Chin-Ting Ho, Chao-Chin Wang, Chen Chien, You-Hua Chu, Paul Ho, Francisca Kemper, Oscar Morata, Alvaro Gonzalez, Satoru Iguchi, Yoshi Uzawa, Daisuke Iono, Hiroshi Nagai, John Effland, Kamaljeet Saini, Marian Pospieszalski, Doug Henke, Keith Yeung, Ricardo Finger, Valeria Tapia, Nicolas Reyes, Giorgio Siringo, Gianni Marconi, Rodrigo Cabezas

Proceedings Volume 12190, 121900K (2022) https://doi.org/10.1117/12.2629766

KEYWORDS: Receivers, Optical amplifiers, Radio astronomy, Antennas, Astronomy, Observatories, Cryogenics, Simulation of CCA and DLA aggregates, Roads, Galactic astronomy

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Proceedings Article | 13 December 2020 Poster + Paper

ALMA front-end and digitizer technical requirements for enabling the ALMA board's 2030 vision roadmap

Shin'ichiro Asayama, Gie Han Tan, Kamaljeet Saini, John Carpenter, Todd Hunter, Neil Phillips, Hiroshi Nagai, Giorgio Siringo, Nick Whyborn

Proceedings Volume 11445, 1144575 (2020) https://doi.org/10.1117/12.2562272

KEYWORDS: Software development, Interferometers, Telescopes, Lead, Astronomy, Analytical research, Observatories

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