Taro Kawano
Japan Aerospace Exploration Agency
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Featured researches published by Taro Kawano.
Proceedings of SPIE | 2016
Yoh Takei; Susumu Yasuda; Kosei Ishimura; Naoko Iwata; Atsushi Okamoto; Yoichi Sato; Mina Ogawa; Makoto Sawada; Taro Kawano; Shingo Obara; Chikara Natsukari; Atsushi Wada; S. Yamada; Ryuichi Fujimoto; Motohide Kokubun; Noriko Y. Yamasaki; Hiroyuki Sugita; Kenji Minesugi; Yasuo Nakamura; Kazuhisa Mitsuda; Tadayuki Takahashi; Seiji Yoshida; Shoji Tsunematsu; Kenichi Kanao; Katsuhiro Narasaki; Kiyomi Otsuka; Richard L. Kelley; F. Scott Porter; Caroline A. Kilbourne; Meng P. Chiao
Soft X-ray Spectrometer (SXS) onboard ASTRO-H (named Hitomi after launch) is a microcalorimeter-type spectrometer, installed in a dewar to be cooled at 50 mK. The energy resolution of the SXS engineering model suffered from micro-vibration from cryocoolers mounted on the dewar. This is mitigated for the flight model by introducing vibration isolation systems between the cryocoolers and the dewar. The detector performance of the flight model was verified before launch of the spacecraft in both ambient condition and thermal-vac condition, showing no detectable degradation in energy resolution. The in-orbit performance was also consistent with that on ground, indicating that the cryocoolers were not damaged by launch environment. The design and performance of the vibration isolation system along with the mechanism of how the micro-vibration could degrade the cryogenic detector is shown.
Journal of Astronomical Telescopes, Instruments, and Systems | 2018
Yoh Takei; Susumu Yasuda; Kosei Ishimura; Naoko Iwata; Atsushi Okamoto; Yoichi Sato; Mina Ogawa; Makoto Sawada; Taro Kawano; Shingo Obara; Chikara Natsukari; Atsushi Wada; S. Yamada; Ryuichi Fujimoto; Motohide Kokubun; Noriko Y. Yamasaki; Hiroyuki Sugita; Kenji Minesugi; Yasuo Nakamura; Kazuhisa Mitsuda; Tadayuki Takahashi; Seiji Yoshida; Shoji Tsunematsu; Kenichi Kanao; Katsuhiro Narasaki; Kiyomi Otsuka; F. Scott Porter; Caroline A. Kilbourne; Meng P. Chiao; Megan E. Eckart
Abstract. The soft x-ray spectrometer (SXS) onboard ASTRO-H (named Hitomi after launch) is a microcalorimeter-type spectrometer, installed in a dewar to be cooled at 50 mK. The energy resolution of the SXS engineering model suffered from microvibration from cryocoolers mounted on the dewar. This is mitigated for the flight model (FM) by introducing vibration isolation systems between the cryocoolers and the dewar. The detector performance of the FM was verified before launch of the spacecraft in both ambient condition and thermal-vacuum condition, showing no detectable degradation in energy resolution. The in-orbit detector spectral performance and cryocooler cooling performance were also consistent with that on ground, indicating that the cryocoolers were not damaged by launch environment. The design and performance of the vibration isolation system along with the mechanism of how the microvibration could degrade the cryogenic detector is shown. Lessons learned from the development to mitigate unexpected issues are also described.
Transactions of The Japan Society for Aeronautical and Space Sciences, Space Technology Japan | 2014
Kosei Ishimura; Kenji Minesugi; Taro Kawano; Atsushi Wada; Kazunori Shoji; Mizuho Ikeda; Kuniyuki Omagari
society of instrument and control engineers of japan | 2013
Taro Kawano; Kosei Ishimura
Transactions of The Japan Society for Aeronautical and Space Sciences, Space Technology Japan | 2018
Kosei Ishimura; Manabu Ishida; Taro Kawano; Kenji Minesugi; Kazuhisa Abe; Takashi Sasaki; Ryo Iizuka; Nobutaka Bando
Transactions of The Japan Society for Aeronautical and Space Sciences, Space Technology Japan | 2018
Taro Kawano; Kosei Ishimura; Ryo Iizuka; Kuniyuki Omagari; Akira Kito
Journal of Astronomical Telescopes, Instruments, and Systems | 2018
Luigi C. Gallo; Alexander Koujelev; Stephane Gagnon; Timothy Elgin; Martin Guibert; Ryo Iizuka; Manabu Ishida; Kosei Ishimura; Naoko Iwata; Taro Kawano; Casey Lambert; Franco Moroso; Shiro Ueno; Takayuki Yuasa
AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES | 2017
Shujiro Sawai; Seisuke Fukuda; Shin-ichiro Sakai; Kenichi Kushiki; Tetsuhito Arakawa; Eiichi Sato; Atsushi Tomiki; Keisuke Michigami; Taro Kawano; Shun Okazaki; Akio Kukita; Yu Miyazawa; Satoshi Ueda; Hirobumi Tobe; Yusuke Maru; Haruhiko Shimoji; Yasuhiro Shimizu; Yusuke Shibasaki; Sadanori Shimada; Takahiro Yokoi; Takeshi Yabushita; Kenichiro Sato; Kazuyuki Nakamura; Takahiro Kuhara; Tsuyoshi Takami; Nobuhiko Tanaka; Katsumi Furukawa
AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES | 2017
Shunpei Morikawa; Hikaru Eguchi; Taro Kawano; Yusuke Maru; Masahiro Nohmi; Shujiro Sawai
information security | 2016
Kosei Ishimura; Manabu Ishida; Taro Kawano; Ryo Iizuka; Kuniyuki Omagari; Kazuhiro Abe; Kenji Minesugi; Kazunori Shoji; Akira Kito; Takayuki Hayashi; Kazuro Matsumoto; Kiyotaka Tachikawa; Takayuki Yuasa; Masaaki Tsushima; Hiroyuki Kajiura; Shiro Ueno; Mizuho Ikeda; Osamu Maeda; Naoko Iwata; Takashi Sasaki; Takahiro Yumoto; Daisuke Nakayama; Yukari Ono; Jun Kurihara; Takahito Amanuma; Yuhei Hayasaka; Mitsuhisa Baba; T. Mizuno; Shin Watanabe; Kazuhiro Nakazawa
