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Yrjö Väisälä ( Finnish: [ˈyrjø ˈʋæi̯sælæ] ⓘ; 6 September 1891 [a] – 21 July 1971) was a Finnish astronomer and physicist. [1] His main contributions were in the field of optics. He was also active in geodetics, astronomy and optical metrology. He had an affectionate nickname of Wizard of Tuorla (Observatory/Optics laboratory ...
Yrjö Väisälä (vuoteen 1906 Veisell; 6. syyskuuta 1891 Utra, Kontiolahti – 21. heinäkuuta 1971 Rymättylä [1]) oli suomalainen geodeetti, tähtitieteilijä ja fyysikko. [2] Hän toimi akateemikkona vuosina 1951–1961.
Yrjö Väisälä. Yrjö Väisälä, ca. 1950. Yrjö Väisälä [ˈyrjœ ˈvæi̯sælæ] (* 6. September 1891 in Kontiolahti, Großfürstentum Finnland; † 21. Juli 1971 in Rymättylä, Finnland) war ein finnischer Geodät, Astronom und Physiker . Er wurde als siebentes von acht Kindern des Johannes Weisell, Angestellter eines Sägewerks in ...
Yrjö Väisälä ( prononcé en finnois [ˈy.rjø ˈ ʋ æ i.s æ.l æ]) est un astronome et un physicien finlandais, né le 6 septembre 1891 à Kontiolahti et mort le 21 juillet 1971 à Rymättylä 1 . Ses frères Kalle Väisälä (mathématicien) et Vilho Väisälä (météorologiste) connurent tous deux le succès dans leur propre domaine d ...
The main instruments of the association are located in the western dome: the 15 and 13 centimeter telescopes made by Yrjö Väisälä and a 19 cm Schmidt-Väisälä camera. In the past, the dome has housed a 50 centimeter wide-angle camera which is nowadays located in the Kevola Observatory – it was the telescope used to discover the ...
The Väisälä 500/600/1031 camera. This telescope, which saw its first light in 1934, has a corrector plate diameter of 500 mm, and a primary mirror focal length of 1031 mm. The spherical primary mirror diameter is 600 mm, and it is on a German -type equatorial mount. It uses a 120-mm diameter doubly convex field flatten lens 3 mm in front of ...
