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Precession and Galactic Rotation on the Basis of Various Proper Motion Systems

Published online by Cambridge University Press:  30 March 2016

W. Fricke

Extract

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Previous determinations of precession on the basis of proper motions resulted in corrections to Newcomb’s value of lunisolar precession in the interval per century. From a compilation of several determinations and their reduction to the average of the systems of FK3 and N30 Morgan and Oort (1951) obtained:

per century, where A and B are Oort’s constants. Values in the system of FK4 were derived by Bošniakovich (1965), who applied differential corrections to previous results on the basis of the systematic differences FK4–FK3.

Type
Joint Discussions
Information
Highlights of Astronomy , Volume 1: Highlights of Astronomy. As presented at the XIIIth General Assembly of the IAU, 1967 , 1968 , pp. 306 - 310
Copyright
Copyright © Reidel 1968

References

Bošniakovich, N.A. (1965) Bull. astr., 25, 119. (IAU-Symposium No. 21.)Google Scholar
Morgan, H.R. (1952) Astr. Pap. Wash., 13, Part III. (Introduction to N30.)Google Scholar
Morgan, H.R., Oort, J.H. (1951) Bull. astr. Inst. Netherl., 11, 379.Google Scholar
Williams, E., Vyssotsky, A.N. (1947) Astr. J., 53, 63.CrossRefGoogle Scholar