Accession Number : AD0634984

Title :   GALAXY RED-SHIFTS BY PHOTOELECTRIC SPECTROPHOTOMETRY.

Descriptive Note : Technical rept.,

Corporate Author : TEXAS UNIV AUSTIN

Personal Author(s) : de Vaucouleurs, G.

Report Date : JUL 1966

Pagination or Media Count : 23

Abstract : Preliminary report on experiments to replace the classical photographic technique by photoelectric spectrophotometry in measuring radial velocities of galaxies. Examples of velocities measured in 1965 with a medium-dispersion spectrum scanner attached to the 82-inch reflector of McDonald Observatory are discussed. (Author)

Descriptors :   (*GALAXIES, DOPPLER EFFECT), (*DOPPLER EFFECT, *CELESTIAL MECHANICS), ELECTROMAGNETIC RADIATION, PHASE SHIFT CIRCUITS, SPECTROSCOPY, ASTRONOMY

Subject Categories : Astrophysics
      Celestial Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE