Plaskett, John Stanley (Plaskett John Stanley)( Canadian astronomer.)
Comments for Plaskett, John Stanley (Plaskett John Stanley)
Biography Plaskett, John Stanley (Plaskett John Stanley)
Born November 17, 1865 in Woodstock (Ontario). In 1899 he graduated from the University of Toronto, where he worked until 1903. In 1903-1918 he worked at the observatory in Ottawa. Supervised installation of 183-cm reflector in Victoria (British Columbia) (in 1918 became director of the Astrophysical Observatory), in 1935 - installing the 208-cm telescope Makdonaldskogo.
The main focus of Plaskett's star spectroscopy. Plaskett for multi-year program to determine the radial velocities of stars forming the basis of observation to confirm the hypothesis of the rotation of the Galaxy. Fulfilled a number of spectral studies of hot and spectral binaries. In 1922 he discovered the system with large mass, called 'star Plaskett'. He was awarded many prestigious awards: Gold Medal Royal Society of London (1930), Rumford Medal of the American Academy of Arts and Sciences, etc.. Died Plaskett in Victoria (British Columbia) Oct. 17, 1941.