Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...54..495m&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 54, Dec. 1983, p. 495-503.
Astronomy and Astrophysics
Astrophysics
42
Astronomical Photometry, Giant Stars, Globular Clusters, Radial Velocity, Accuracy, Astronomical Catalogs, Electrophotometry
Scientific paper
As the first result of a collaborative effort to obtain accurate kinematical data for southern stars using the photoelectric radial velocity scanner CORAVEL on the Danish 1.54 m telescope at ESO, La Silla, Chile, this paper reports 240 radial velocity observations of 169 giant stars in the globular cluster 47 Tuc. A short description is given of the instrumentation used. The mean error of a single measurement of the stars in 47 Tuc is 0.6 km s-1, with photon shot noise as the dominant contribution.
A discussion of kinematical parameters and stellar duplicity in 47 Tuc is published separately (Mayor et al., 1983).
Andersen Jeppe J.
Ardeberg Arne
Baranne Andre
Benz Willy
Imbert M.
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