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Table 2
The rms of the annual transformation parameters for two time periods.
Transformation T1 | R1 | R2 | R3 | D α | D δ | B δ |
|
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1979.6–2009.2 | 27 | 17 | 26 | 1 | 0 | 23 |
1979.6–2013.1 | 26 | 15 | 22 | 1 | 1 | 21 |
Transformation T2 | R1 | R2 | R3 | – | – | dz |
|
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1979.6–2009.2 | 26 | 16 | 30 | – | – | 14 |
1979.6–2013.1 | 25 | 15 | 26 | – | – | 12 |
Transformation T3 | R 1 | R 2 | R 3 | D 1 | D 2 | D 3 |
|
||||||
1979.6–2009.2 | 26 | 23 | 29 | 22 | 26 | 21 |
1979.6–2013.1 | 25 | 20 | 26 | 18 | 24 | 18 |
Notes.Units are μas, except for Dα and Dδ, which are in μas/degree.
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