Sergey Blazhko
Sergey Nikolayevich Blazhko | |
|---|---|
Серге́й Никола́евич Блажко́ | |
Sergey Blazhko in 1905 | |
| Born | November 17, 1870 Khotsimsk |
| Died | February 11, 1956 (aged 85) |
| Education | Moscow State University |
| Occupation | Astronomer |
| Organization | Academy of Sciences of the Soviet Union (1929, corresponding member) |
| Known for | Blazhko crater, planet No. 2445 |
Sergey Nikolayevich Blazhko (Russian: Серге́й Никола́евич Блажко́; November 17, 1870, Khotsimsk – February 11, 1956, Moscow) was a Russian and Soviet astronomer, a corresponding member of the Academy of Sciences of the Soviet Union (1929). He was a graduate of Moscow State University and held a number of positions there including head of the Moscow Observatory from 1920-1931. He discovered a secondary variation of the amplitude and period of some RR Lyrae stars and related pulsating variables, now known as the Blazhko effect.