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Table 3
Galactic population classification of IPNe according to the Toomre and U − V diagrams.
| Galactic component | Toomre diagram | UV diagram | No. of common objects | Common objects |
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|
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| Thin-disk | 13 | 12 | 8 | A21, A35, HFG1, IW1, NGC 6853 |
| NGC 7293, S216, Ton 320 | ||||
| Thick-disk | 10 | 8 | 8 | A71, M2-40, NGC 1360, NGC 6826, |
| NGC 7094, PG 1034+001, S68, TC 1 | ||||
| Thin/Thick-disk | 11 | 14 | 7 | A31, A36, DHW5, NGC 40, NGC 6781, |
| NGC 6891, S174 | ||||
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