Evaluation of a possible upgrade of the IAU 2006 precession

Free Access

Table 4

Values of J₂ rate estimated by observations or adopted in the IAU 2006 precession.

(10^-9 cy^-1)	Reference

−3.0	Yoder et al. (1983)
−2.6	Nerem et al. (1993)
−3.0 ± 0.5	Stephenson & Morrison (1995)
−3.001	adopted in the IAU 2006 precession

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.