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Kiyotsugu Hirayama
Kiyotsugu Hirayama | |
|---|---|
平山 清次 | |
| Born | October 3, 1874 Sendai, Japan |
| Died | April 8, 1943 (aged 68) Tokyo, Japan |
| Alma mater | Tokyo Imperial University |
| Known for | Hirayama families |
| Scientific career | |
| Notable students | Yoshio Fujita |
Kiyotsugu Hirayama (平山 清次, Hirayama Kiyotsugu, October 3, 1874 – April 8, 1943) was a Japanese astronomer, best known for his discovery that many asteroid orbits were more similar to one another than chance would allow, leading to the concept of asteroid families, now called "Hirayama families" in his honour.[1]
- ^ Yoshida, Seiko; Nakamura, Tsuko (2011). "Hirayama Kiyotsugu: Discoverer of Asteroid Families". Highlighting the History of Astronomy in the Asia-Pacific Region. Astrophysics and Space Science Proceedings: 171–197. doi:10.1007/978-1-4419-8161-5_10. ISBN 978-1-4419-8160-8. Retrieved 30 March 2022.
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