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Residuals d θ in the angle of nutation for theories - PowerPoint PPT Presentation


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Numerical theory ERA-2005of rotation of the Deformable Earth with a Two-Layer Fluid Core(Celestial Mechanics, 2006, in press) WRMS(mas) of fitting to GSFC series 1984-2005 of Celestial Pole offsets dθ sinθ dψ ERA-2005 0.136 0.129 IAU 2000 0.1720.165


Residuals dθ in the angle of nutation for theories

IAU 2000 (top) and ERA-2005 (bottom)


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





Experimental detection of geodetic precession d
Experimental detection ofGeodetic Precession dΨ

GRT prediction:

dΨ=1.9194“/cy

Observed value:

dΨ=2.07(9)“/cy


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