Radial velocities of southern stars obtained with the photoelectric scanner CORAVEL. II - Faint southern potential radial-velocity standards

Details Radial velocities of southern stars obtained with the photoelectric scanner CORAVEL. II - Faint southern potential radial-velocity standards Radial velocities of southern stars obtained with the photoelectric scanner CORAVEL. II - Faint southern potential radial-velocity standards

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26as...57..275m&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 57, Aug. 1984, p. 275-279. Research supported by the Swiss N

Astronomy and Astrophysics

Astrophysics

28

Electrophotometry, Radial Velocity, Reference Stars, Southern Sky, Stellar Motions, Accuracy, Astronomical Catalogs, Standards

Scientific paper

We present radial-velocity data for the 14 stars listed by Evans (1968) as a useful southern extension of the existing faint radial-velocity standard stars. The stars have been measured with the photoelectric scanner CORAVEL at La Silla from January, 1981, through August, 1983. Our zero-point agrees to within about ± 0.15 km s-1 with the IAU zero-point for radial-velocity standards fainter than V = 4.3. Our standard deviation for a single radial-velocity determination is around 0.25 km s-1. The individual stars have been measured between 12 and 2 times with an average of 6. with the data given by Evans (1968) shows significant differences. These seem to depend both on radial velocity and on right ascension.

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