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Table 4
Average kinematical parameters of IPNe located in the thin and thick Galactic disks.
| IPNe characteristics | Thin-disk IPNe | Thick-disk IPNe | The whole galactic disk |
| (16 objects) | (10 objects) | (34 objects) | |
|
|
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| Absolute height above the galactic plane (⟨ | z | ⟩) | 175.0 ± 29.2 pc | 287.5 ± 52.8 pc | 205.2 ± 38.4 pc |
| Space velocity (⟨ VS ⟩) | 36.5 ± 7.3 km s-1 | 108.8 ± 16.3 km s-1 | 64.6 ± 10.5 km s-1 |
| Peculiar velocity (⟨ Vp ⟩) | 21.2 ± 5.1 km s-1 | 63.4 ± 11.5 km s-1 | 37.6 ± 6.6 km s-1 |
| Rotational velocity component(⟨ V ⟩) | 211.0 ± 7.3 km s-1 | 189.9 ± 12.8 km s-1 | 205.5 ± 9.1 km s-1 |
| Perpendicular velocity component (⟨ | W | ⟩) | 14.8 ± 6.7 km s-1 | 38.0 ± 15.1 km s-1 | 26.0 ± 9.9 km s-1 |
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