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Table 2
Global rotation around the XG, YG and ZG axes of the Galactic coordinate system due to the Galactic aberration effect.
| Catalog | No. | ω X G | ω Y G | ω Z G | ω tot | θ |
|
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| ICRF1 def | 212 | + 0.03 ± 0.08 | + 0.73 ± 0.08 | −0.82 ± 0.09 | 1.09 ± 0.14 |
|
| ICRF1 | 608 | −0.01 ± 0.05 | + 0.15 ± 0.05 | −0.18 ± 0.05 | 0.23 ± 0.09 |
|
| ICRF2 def | 295 | −0.01 ± 0.07 | + 0.26 ± 0.07 | + 0.15 ± 0.07 | 0.30 ± 0.12 |
|
| ICRF2 | 3414 | −0.00 ± 0.02 | + 0.51 ± 0.02 | −0.74 ± 0.02 | 0.90 ± 0.03 |
|
|
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| uniform | 2500 | + 0.00 ± 0.02 | + 0.00 ± 0.02 | + 0.00 ± 0.02 | 0.00 ± 0.03 | − |
Notes. θ is the angle between the total rotation vector and the YG axis. The unit is μas yr-1.
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