Table 6: Comparisons between solutions for the precession of the equator and expressions for the precession rates.
Source        t0      t     t2     t3    t4
L77 $\psi _{\rm A}$   5038.7784 -1.07259 -0.001147  
(IAU1976) $\omega _{\rm A}$ 84 381.448 0.0 0.05127 -0.007726  
W94 $\psi _{\rm A}$   5038.456501 -1.078977 -0.001141 0.000133
  $\omega _{\rm A}$ 84 381.409 $\hspace*{0.22cm}-$0.0244 0.051268 -0.007727 0.000000
IAU2000 $\psi _{\rm A}$   5038.478750 -1.07259 -0.001147  
  $\omega _{\rm A}$ 84381.448 $\hspace*{0.22cm}-$0.02524 0.05127 -0.007726  
P03 $_{\rm prel}$ $\psi _{\rm A}$   5038.478750 -1.0790091 -0.00114044 0.000132851
  $\omega _{\rm A}$ 84 381.406 -0.02524 0.0512623 -0.00772502 -0.000000467
P03 $\psi _{\rm A}$   5038.481507 -1.0790069 -0.00114045 0.000132851
  $\omega _{\rm A}$ 84 381.406 -0.025754 0.0512623 -0.00772503 -0.000000467
P03 $_{\rm prel}$ $r_{\psi }$ 5038.478750 0.4794049 -0.00013387 -0.000021008  
  $r_{\epsilon }$ -0.025240 -0.0000867 0.0000171 0.0000000005  
P03 $r_{\psi }$ 5038.481507 0.4794106 -0.00013388 - 0.000021008  
  $r_{\epsilon }$ -0.025754 -0.0000477 0.00000826 0.0000000006  


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