View source for Takao Doi

{{Short description|Japanese astronaut and engineer (born 1954)}}
{{distinguish|Takako Doi}}{{Eastern name order|Doi Takao}}{{Infobox astronaut
| name = Takao Doi
| image = Doi.jpg
| type = [[JAXA]] astronaut
| status = Retired
| nationality = Japanese
| birth_date = {{Birth date and age|1954|9|18}}
| birth_place = [[Tokyo]], Japan
| occupation = [[Engineer]]
| selection = [[List of astronauts by selection#1985|1985 NASDA Group]], [[NASA Astronaut Group 15|NASA Group 15 (1994)]]
| time = 31d 19h 35min
| eva1 = 2
| eva2 = 12 hours, 43 minutes<ref name="EVA">{{cite web|url=https://www.nasa.gov/externalflash/the_shuttle/79.html|title=Takao Doi (Ph.D.) JAXA Astronaut (Former) Biography on the NASA website|publisher=NASA|access-date=January 1, 2017|url-status = dead|archiveurl=https://web.archive.org/web/20120406135333/http://www.nasa.gov/externalflash/the_shuttle/79.html|archivedate=April 6, 2012}}</ref>
| mission = [[STS-87]], [[STS-123]]
| insignia = [[Image:Sts-87-patch.svg|50px]] [[Image:STS-123 Patch.svg|55px]]
| module = {{infobox scientist
| embed = yes
| thesis_title = Internal velocities in the Orion Nebula
| thesis_year = 2004
| thesis_url = http://www.worldcat.org/oclc/1031099288
| doctoral_advisor =
| field = [[Astronomy]]
}}|
}}
{{Nihongo|'''Takao Doi'''|土井 隆雄|Doi Takao|extra=born September 18, 1954}} is a Japanese [[astronaut]], [[engineer]] and veteran of two [[NASA]] [[Space Shuttle]] missions.

== Early life and education ==
Doi holds a doctorate from the [[University of Tokyo]] in aerospace engineering, and has studied and published in the fields of propulsion systems and [[Micro-g environment|microgravity]] technology. He researched at the [[Institute of Space and Astronautical Science]] and was selected by [[NASDA]] as an astronaut candidate in 1985 for the Japanese crewed space program while also conducting research in the United States at NASA's [[Lewis Research Center]] and the [[University of Colorado at Boulder]]. Doi flew as a mission specialist aboard [[STS-87]] in 1997, during which he became the first Japanese astronaut to conduct a spacewalk.

He received a Ph.D. in 1983 from the University of Tokyo, and also a PhD in Astronomy from [[Rice University]] in 2004.

As an avid amateur astronomer, he discovered supernovae [[SN 2002gw]] and [[SN 2007aa]].<ref>{{cite web|url=http://www.cbat.eps.harvard.edu/iauc/07900/07995.html |title=IAUC 7995 |date=2002-10-17 |accessdate=2014-03-27 |url-status = dead|archiveurl=https://web.archive.org/web/20131021053439/http://www.cbat.eps.harvard.edu/iauc/07900/07995.html |archivedate=2013-10-21 }}</ref><ref>{{cite web |url=http://www.rochesterastronomy.org/sn2007/sn2007aa.html |title=Supernova 2007aa in NGC 4030 |accessdate=2014-03-27}}</ref>

== Astronaut career ==
Takao Doi visited the [[International Space Station]] in March 2008 as a member of the [[STS-123]] crew. STS-123 delivered the first module of the Japanese laboratory, [[Japanese Experiment Module|Kibō]], and the Canadian [[Dextre]] robot to the space station. During this mission, he became the first person to throw a boomerang in space that had been specifically designed for use in microgravity during spaceflight.<ref>{{cite web |url=http://www.flight-toys.com/boomerang/boomnews/spacebooms.html |title=Boomerangs in Space |accessdate=2011-01-19}}</ref>

== Post-astronaut career ==
In September 2009, Doi retired from astronaut duty and started working as the chief of Space Applications Section of [[United Nations Office for Outer Space Affairs]].<ref>{{cite web|url=http://mdn.mainichi.jp/mdnnews/national/news/20090606p2a00m0na014000c.html |title=Veteran Japanese astronaut Takao Doi to take up UN job |publisher=The Mainichi Daily News |date=June 6, 2009 |accessdate=June 8, 2009 |url-status = dead|archiveurl=https://web.archive.org/web/20090608233644/http://mdn.mainichi.jp/mdnnews/national/news/20090606p2a00m0na014000c.html |archivedate=June 8, 2009 }} (found in archive.org capture)</ref>

In April 2016, he became a professor at the Unit of Synergetic Studies for Space of [[Kyoto University]]<ref>{{cite web |url=http://www.yomiuri.co.jp/science/20160306-OYT1T50075.html |archive-url=https://web.archive.org/web/20160307183707/http://www.yomiuri.co.jp/science/20160306-OYT1T50075.html |url-status=dead |archive-date=March 7, 2016 |script-title=ja:宇宙飛行士の土井隆雄さん、京大特定教授に |language=ja |website=Yomiuri Online |publisher=The Yomiuri Shimbun |date=March 7, 2016 |accessdate=March 7, 2016}}</ref> and then at the Graduate School of Advanced Integrated Studies in Human Survivability (GSAIS) in April 2020.<ref>{{cite web |work=京都大学ELP &#124; 京都大学エグゼクティブリーダーシッププログラム |url=https://www.elp.kyoto-u.ac.jp/professor/doi/ |language=Japanese |script-title=ja:京都大学ELP 有人宇宙活動 |publisher=Kyoto University |access-date=10 May 2021|date=3 April 2019 }}</ref>

==References==
{{reflist}}

==External links==
{{commons category|Doi Takao}}
{{Portal|Japan|Biography|Space}}
* {{cite web|url=https://humans-in-space.jaxa.jp/en/astronaut/doi-takao/ |title=DOI Takao biography|publisher=JAXA |access-date=July 25, 2021}}
*[http://www.spacefacts.de/bios/international/english/doi_takeo.htm Spacefacts biography of Takao Doi]

{{NASA Astronaut Group 15}}
{{Authority control}}

{{DEFAULTSORT:Doi, Takao}}
[[Category:Japanese astronauts]]
[[Category:Japanese aerospace engineers]]
[[Category:University of Tokyo alumni]]
[[Category:University of Colorado Boulder alumni]]
[[Category:1954 births]]
[[Category:Living people]]
[[Category:Rice University alumni]]
[[Category:Space Shuttle program astronauts]]
[[Category:Discoverers of supernovae]]
[[Category:Spacewalkers]]