Computer Science – Performance
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pabei...9..192s&link_type=abstract
Prog. Astron., Vol. 9, No. 3, p. 192 - 200
Computer Science
Performance
Scientific paper
A brief description is given of the system of radial-velocity (RV) standard stars still in use and its shortcomings. The Fick Observatory RV reference stars and Griffin's RV reference stars, receive some attention along with efforts to establish a system of early-type RV reference stars. The salient points of the conclusions and recommendations of J. Andersen's report of the Working Group on RV standard stars in Trans. IAU XXB (1990) are given, followed by recent progress concerning HD 114762, fibre spectroscopy performance, high-precision observations of 6 bright K-type standards, Arcturus, Vega, and the stability of the Dominion Astrophysical Observatory coudé spectrograph. Among desirable future work frequent RV measurements of β Gem and α Ari from the northern hemisphere, greater effort in defining a system of early-type RV standard or reference stars properly allowing for stellar rotation, continued RV observations of asteroids, and a time-resolved precision RV study of Vega, both short-term and long-term, are suggested.
Shen Liangzhao
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