Wojciech Krzemiński
| Wojciech Krzemiński | |
|---|---|
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| Nationality | Polish |
| Fields | astrophysics |
| Institutions |
NCAC in Warsaw and the Carnegie Institution Observatories |
| Patrons | Polish Academy of Sciences |
Wojciech Krzemiński (born 1933) is a Polish astronomer and a retired professor of Nicolaus Copernicus Astronomical Center. He is a member of Polish Academy of Sciences and the Carnegie Institution Observatories.
Wojciech Krzemiński was a student of professors Stefan Piotrowski and Vladimir Zonn. In the early 1960s he was active in Lick Observatory and Lowell Observatory in USA, and at the end of the 1960s he received a scholarship at Carnegie Institution. In 1973, he left – as the first Polish astronomer – to Las Campanas Observatory in Chile. In the 1970s Krzemiński actively collaborated with professors Bohdan Paczyński and Joseph Taste. In the 1980s he received an offer to take over as administrator or "resident astronomer" the Las Campanas, position which he held for 16 years. He currently lives in La Serena in Chile.
Wojciech Krzemiński was one of the first observers, who in the 1960s demonstrated the dual nature of cataclysmic variables. Together with Joseph Taste suggested that these objects are in process of accretion of matter and correctly interpret their light curve change as coming from the accretion disk impacted through a narrow stream of matter flowing through the inner Lagrange point of less massive component of binary star system.
Also in the 1960s, he performed accurate measurements of the brightness of dwarf novae like U Geminorum, discovered Dec. 4, 1961. The marked eclipse of U Geminorum repeated with a period of 4 hours 14 minutes and 45 seconds for the first time clearly demonstrating that we are dealing with a double system.
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