The radial-velocity revolution

Details The radial-velocity revolution The radial-velocity revolution

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989s%26t....78..263g&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 78, Sept. 1989, p. 263-267.

Computer Science

Doppler Effect, Radial Velocity, Stellar Motions, Stellar Spectra, Velocity Measurement, Absorption Spectra, Cross Correlation, Line Spectra, Stellar Composition

Scientific paper

Instruments and techniques designed for registering the minute Doppler shifts arising from stellar radial velocity are examined. Particular attention is given to the photographic spectrographs, the high-dispersion spectrographs ('digital speedometers'), and the Palomar spectrometer. The principle of using radial-velocity masks is described, and the use of interferometers for radial-velocity measurements is discussed. Results are presented of radial velocity observations for HD 114762, HD 210647, and Epsilon Tauri, together with interpretations of these results.

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