Accession Number : AD0634990

Title :   RADIAL VELOCITIES OF EXTENDED SOURCES BY A SLITLESS SCANNING TECHNIQUE.

Descriptive Note : Technical rept.,

Corporate Author : TEXAS UNIV AUSTIN DEPT OF ASTRONOMY

Personal Author(s) : de Vaucouleurs, G.

Report Date : JUL 1966

Pagination or Media Count : 23

Abstract : Description and tests of a double-beam pulse counting spectrophotometer using a tunable interference filter to measure radial velocities of extended astronomical sources. Preliminary report of observations of stars, globular clusters, planetary nebulae and galaxies made in March and May 1966 with the 36-inch reflector of Mcdonald Observatory. (Author)

Descriptors :   (*CELESTIAL MECHANICS, *SPECTROPHOTOMETERS), (*DOPPLER EFFECT, SPECTROPHOTOMETERS), ASTROPHYSICS, SPECTROSCOPY, INSTRUMENTATION

Subject Categories : Astrophysics
      Celestial Mechanics
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE