Stellar radial-velocity meter

Details Stellar radial-velocity meter Stellar radial-velocity meter

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..196t&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Jan.-Feb. 1987, p. 196-202. In Russian.

Astronomy and Astrophysics

Astronomy

50

Astrometry, Electrophotometers, Late Stars, Radial Velocity, Stellar Spectrophotometry, Stellar Luminosity, Stellar Magnitude

Scientific paper

A photoelectric radial-velocity meter with an echelle spectrograph operating in a Cassegrain focus is described. The stars of spectral types later than F5 can be observed. The results of the observations of 13 IAU standards are given. The rms difference of the measured velocities from the standard ones is 0.5 km/s and the reproducibility of the velocities of bright stars is about 0.25 km/s. The limiting magnitude is approximately V = 10 m, and it will be improved in the future.

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