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Report to the Executive Committee of the Working Group on the System of Astronomical Constants

Published online by Cambridge University Press:  16 November 2021

W. Fricke ,
D. Brouwer ,
J. Kovalevsky ,
A. A. Mikhailov  and
G. A. Wilkins

Extract

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The principal recommendations of this Report on the system of astronomical constants are in accordance with the resolutions passed at Symposium no. 21 (Paris, May 1963). We first of all give a reference list of the constants of the system and a set of explanatory notes. We have used the term ‘primary constant’, rather than ‘fundamental constant’, since the latter has a connotation in astronomical usage that is inappropriate to the manner of selection of the primary constants. In choosing the values for the primary constants we have, perhaps, adopted a conservative view of the likely errors of their determinations, but even so the new system should be of adequate accuracy for astronomical studies for many years. Limits within which the true values are believed to lie are indicated in a later section, in which we also give expressions for differential corrections to the derived constants. Finally we discuss the manner in which this system should be introduced into the national and international ephemerides.

Type
Part 4 Joint Discussions
Information
Transactions of the International Astronomical Union , Volume 12 , Issue 2 , 1966 , pp. 591 - 598
Copyright
Copyright © Academic Press 1966 

References

Page no 594 note * The above list was confirmed by the Working Group, adopted as definitive at the Joint Discussion, and endorsed by the Twelfth General Assembly (Resolution no. 4, page 95); it now represents the ‘IAU System of Astronomical Constants’.

Page no 594 note * La liste ci-dessus a été confirmée par le Groupe de Travail, adoptee définitivement à la Discussion Commune, et appuyée par la Douziéme Assemblée Générale (Résolution no. 4, page 94); elle représente désormais le ‘Systéme UAI des Constantes Astronomiques’.

Page no 595 note * The above list was confirmed by the Working Group, adopted as definitive at the Joint Discussion, and endorsed by the Twelfth General Assembly (Resolution no. 4, page 95); it now represents the ‘IAU System of Astronomical Constants’.

Page no 595 note * La liste ci-dessus a été confirmée par le Groupe de Travail, adoptée définitivement à la Discussion Commune, et appuyée par la Douziéme Assemblée Générale (Résolution no. 4, page 94); elle représente désormais le ‘Systeme UAI des Constantes Astronomiques’.