日本語
The University of Electro-Communications 
Graduate School of Informatics and Engineering, School of Informatics and Engineering 
"Department of Engineering Science, Cluster III (Fundamental Science and Engineering)" 

Associate Professor 
Takeshi SAKAI 

Personal website  

Career
自然科学研究機構 国立天文台 野辺山宇宙電波観測所  研究員  2004/04/01-2009/03/31 
東京大学大学院理学系研究科天文学教育研究センター  特任助教  2009/04/01-2013/03/31 

Academic background
新潟県立長岡高校  1994/03  Graduated 
Tokyo Institute of Technology  Faculty of Science  地球惑星科学科  1999/03  Graduated 
The University of Tokyo  Graduate School, Division of Science  物理学専攻  Master's program  2001/03  Completed 
The University of Tokyo  Graduate School, Division of Science  物理学専攻  Doctoral program  2004/03  Completed 

Academic degrees
理学  The University of Tokyo  2004/03 

Classes responsible within the university
2021  電気回路  Spring semester  Undergraduate, daytime 
2021  電気回路演習  Spring semester  Undergraduate, daytime 
2021  電子工学実験第一  Spring semester  Undergraduate, daytime 
2021  基盤理工学専攻基礎  Spring semester  Graduate, IE 
2021  力学  Fall semester  Undergraduate, daytime 
View details...

Current research areas
Astronomy 

Current research subjects
化学組成から探る星団形成初期の分子雲分裂過程とその多様性  電波天文学、星形成、大質量星、分子雲、星間分子  2013/04-2016/03 

Published papers
Paper  Yes  Spectrometer Using superconductor MIxer Receiver (SUMIRE) for laboratory submillimeter spectroscopy  Joint  Watanabe, Yoshimasa; Chiba, Yutaro; Sakai, Takeshi; Tamanai, Akemi; Suzuki, Rikako; Sakai, Nami  Publications of the Astronomical Society of Japan  73/ 2, 372-393  2021/04 
Paper  Yes  The Perseus ALMA Chemistry Survey (PEACHES). I. The Complex Organic Molecules in Perseus Embedded Protostars  Joint  Yang, Yao-Lun; Sakai, Nami; Zhang, Yichen; Murillo, Nadia M.; Zhang, Ziwei E.; Higuchi, Aya E.; Zeng, Shaoshan; López-Sepulcre, Ana; Yamamoto, Satoshi; Lefloch, Bertrand; Bouvier, Mathilde; Ceccarelli, Cecilia; Hirota, Tomoya; Imai, Muneaki; Oya, Yoko; Sakai, Takeshi; Watanabe, Yoshimasa  The Astrophysical Journal  910/ 1, id. 20-  2021/03 
Paper  Yes  Digging into the Interior of Hot Cores with ALMA (DIHCA). I. Dissecting the High-mass Star-forming Core G335.579-0.292 MM1  Joint  Olguin, Fernando A.; Sanhueza, Patricio; Guzmán, Andrés E.; Lu, Xing; Saigo, Kazuya; Zhang, Qizhou; Silva, Andrea; Chen, Huei-Ru Vivien; Li, Shanghuo; Ohashi, Satoshi; Nakamura, Fumitaka; Sakai, Takeshi; Wu, Benjamin  The Astrophysical Journal  909/ 2, id. 199-  2021/03 
Paper  Yes  The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). II. Molecular Outflows in the Extreme Early Stages of Protocluster Formation  Only  Li, Shanghuo; Sanhueza, Patricio; Zhang, Qizhou; Nakamura, Fumitaka; Lu, Xing; Wang, Junzhi; Liu, Tie; Tatematsu, Ken'ichi; Jackson, James M.; Silva, Andrea; Guzmán, Andrés E.; Sakai, Takeshi; Izumi, Natsuko; Tafoya, Daniel; Li, Fei; Contreras, Yanett; Morii, Kaho; Kim, Kee-Tae  The Astrophysical Journal  903/ 2, id. 119-  2020/11 
Paper  Yes  HCN J = 4-3, HNC J = 1-0, H13CN J = 1-0, and HC3N J = 10-9 Maps of Galactic Center Region. II. Physical Properties of Dense-gas Clumps and Probability of Star Formation  Joint  Tanaka, Kunihiko; Nagai, Makoto; Kamegai, Kazuhisa; Iino, Takahiro; Sakai, Takeshi  The Astrophysical Journal  903/ 2, id. 111-  2020/11 
View details...

Researcher accepted
Domestic  Post-doctoral researcher  2017-2017 
View details...

Past records of joint or funded research
超広帯域受信機のための受信素子、光学系及び導波管部品の開発研究  2020-2020  Joint research  Domestic joint research 
超広帯域受信機のための受信素子、光学系及び導波管部品の開発研究  2019-2019  Joint research  Domestic joint research 
超広帯域受信機のための光学系及び導波管部品の開発研究  2018-2018  Joint research  Domestic joint research 
電波天文用広IF帯域SIS素子の開発とそれらを用いた大質量星形成過程の解明  2013-2013  Commissioned research  Funded commissioned research 
野辺山45m望遠鏡用140 GHz帯受信機の開発  2011-2011  Joint research  Domestic joint research 
View details...

Public lectures
銀河研究の最前線  朝日カルチャーセンター  2016/09/03 
View details...

Memberships of academic societies
日本天文学会 
View details...

Committee or council involvement
日本天文学会理事会  年会実行理事  2019/06/08-2021/06 
日本天文学会年会実行委員会  委員  2015/04-2021/06 
国立天文台野辺山宇宙電波観測所プログラム小委員会  委員  2014/08/01-2016/07/31 
国立天文台研究交流委員会  委員  2014/07/01-2018/06/30 
View details...

Committee activity in the University
学域教育委員  2021/04-Present 
技術英語部会委員  2020/04-2021/03 
学生支援センター委員  2018/04-2020/03 
図書館委員  2017/04-2018/03 
卒研配属WG  2013-2015/03 
View details...