astro.wikisort.org - ResearcherChushiro Hayashi (林 忠四郎, Hayashi Chūshirō, July 25, 1920 – February 28, 2010) was a Japanese astrophysicist. Hayashi tracks on the Hertzsprung–Russell diagram are named after him.
Japanese astrophysicist
Chūshirō Hayashi |
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Born | (1920-07-25)July 25, 1920
Kyoto, Japan |
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Died | February 28, 2010(2010-02-28) (aged 89)
Kyoto, Japan |
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Nationality | Japanese |
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Alma mater | University of Tokyo |
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Awards | Eddington Medal in 1970 Kyoto Prize in 1995 Bruce Medal in 2004 |
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Scientific career |
Fields | astrophysics |
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Institutions | Kyoto University |
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Influences | Hideki Yukawa |
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Hayashi was born in Kyoto and enrolled at the Imperial University of Tokyo in 1940, earning his BSc in Physics after 2½ years, in 1942. He was conscripted into the navy[1] and, after the war ended, joined the group of Hideki Yukawa at Kyoto University. He was appointed a professor at Kyoto University in 1957.[1]
He made additions to the Big Bang nucleosynthesis model that built upon the work of the classic Alpher–Bethe–Gamow paper.[2]
Probably his most famous work was the astrophysical calculations that led to the Hayashi tracks of star formation,[3] and the Hayashi limit that puts a limit on star radius.
He was also involved in the early study of brown dwarfs, some of the smallest stars formed.[4]
He retired in 1984 and died from pneumonia at a Kyoto hospital on February 28, 2010.[5][6]
Awards and honours
- 1965 Asahi Prize
- 1970 Eddington Medal
- 1971 Imperial Prize of the Japan Academy[7]
- 1994 Order of the Sacred Treasure, First Class[1]
- 1995 Kyoto Prize
- 2004 Bruce Medal
References
- Nakagawa, Y. (2011), "Obituary: Chushiro Hayashi (1920-2010)", Bulletin of the American Astronomical Society, 43: 014, Bibcode:2011BAAS...43..014N, doi:10.3847/BAASOBIT2011014
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Hayashi, Chushiro (1961). "Proton-neutron concentration ratio in the expanding Universe at the stages preceding the formation of the elements". Progress of Theoretical Physics. 5 (2): 224–235. doi:10.1143/PTP.5.224.
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Hayashi, Chushiro (1961). "Stellar evolution in early phases of gravitational contraction". Publications of the Astronomical Society of Japan. 13: 450–452. Bibcode:1961PASJ...13..450H.
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Hayashi, Chushiro; Nakano, T. (1963). "Evolution of Stars of Small Masses in the Pre-Main-Sequence Stages". Progress of Theoretical Physics. 30 (4): 460–474. Bibcode:1963PThPh..30..460H. doi:10.1143/PTP.30.460.
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Sugimoto, Daiichiro (2010). "Chushiro Hayashi 1920–2010". Astronomy & Geophysics. 51 (3): 3.36. Bibcode:2010A&G....51c..36S. doi:10.1111/j.1468-4004.2010.51336.x.
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"Award-winning Japanese astrophysicist Hayashi dies at 89". Kyodo News. March 1, 2010. Retrieved March 1, 2010.[permanent dead link]
- Japan Academy, 61st-70th; retrieved 2011-08-15
External links
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На других языках
[de] Hayashi Chūshirō
Hayashi Chūshirō (japanisch 林 忠四郎; * 25. Juli 1920 in Kyōto; † 28. Februar 2010 ebenda) war ein japanischer Astrophysiker.
- [en] Chushiro Hayashi
[it] Chūshirō Hayashi
Chūshirō Hayashi (in giapponese 林忠四郎; 25 luglio 1920 – Kyoto, 28 febbraio 2010) è stato un astrofisico e astronomo giapponese.
[ru] Хаяси, Тюсиро
Тюсиро Хаяси (яп. 林 忠四郎 Хаяси Тю:сиро:, 25 июля 1920 — 28 февраля 2010) — японский астрофизик.
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