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Table 1
Euler angles a, b and c applicable to the change of astronomical frame.
| Transformation | a | b | c |
| deg | deg | deg | |
|
|
|||
| Equatorial to Ecliptic | 270.0 | 23.4393 | 90.0 |
| Equatorial to Galactic | 192.8595 | 62.8718 | 57.0681 |
| Ecliptic to Galactic | 180.0232 | 60.1886 | 83.6160 |
Notes. The obliquity has been taken for J2000 and equatorial frame can be seen as the same as ICRF at this level of accuracy.
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