1. Numerical theory ERA-2005 of rotation of the Deformable Earth with a Two-Layer Fluid Core (Celestial Mechanics, 2006, in press) WRMS(mas) of fitting to GSFC series of Celestial Pole offsets dθ sinθ dψ ERA IAU

2. Residuals dθ in the angle of nutation for theories
IAU (top) and ERA (bottom)

3. Residuals sin(θ) dψ in the angle of precession for theories IAU 2000 (top) and ERA-2005 (bottom)

4. Differences : ERA- 2005 minus IAU 2000
sin(θ) dψ dθ

5. Observed and predicted corrections to IAU 2000
( )
sin(θ) dψ dθ

6. Observed and predicted corrections to IAU 2000 (1984-2019)

7. Experimental detection of Geodetic Precession dΨ
GRT prediction:
dΨ =1.9194“/cy
Observed value:
dΨ =2.07(9)“/cy