Radial velocities of bright southern stars. IV - 551 A- and F-type HR and FK stars

Details Radial velocities of bright southern stars. IV - 551 A- and F-type HR and FK stars Radial velocities of bright southern stars. IV - 551 A- and F-type HR and FK stars

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...61...53n&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 61, July 1985, p. 53-73. Research supported by the Statens N

Astronomy and Astrophysics

Astrophysics

28

A Stars, F Stars, Radial Velocity, Stellar Rotation, Velocity Measurement, Electrophotometry, Southern Sky, Stellar Spectra

Scientific paper

New radial velocity measurements for 551 HR and FK stars with spectral types in the range A0-F4 are presented. A minimum of three spectrograms per star are obtained with the coude spectrograph of the ESO 1.5-m telescope at La Silla, Chile and the radial velocity measurements of a total of 1714 coude plates are carried out on an impersonal oscilloscopic comparator. Depending on rotational velocity indicated by a parameter in the range 0-5, the mean radial velocities are found to have an accuracy of 0.8-3 km/s. It is shown that 64 probable and 111 certain variables, including 23 stars with double-lined and 3 with triple-lined spectra, are found. The results are presented in tables.

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