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Table 4.
Gas modelling.
| Gas kinematics | |||||
|---|---|---|---|---|---|
| Component | a1 | a2 | a2, bis | b | c |
| RA, 15h58m50s + | 0.45s | 0.34s | 0.34s | 0.33s | 0.65s |
| Dec, 27°23′20″ + | 4.6″ | 2.6″ | 2.6″ | 8.0″ | 9.3″ |
| Vsys, ±5 km s−1 | 100 | −280 | −280 | 425 | 150 |
| Vmax, km s−1 | 200 | 140 | 200 | 200 | |
| R0, kpc | 3.14 | 3.14 | 3.14 | 3.14 | |
| σR, km s−1 | 80 | 100 | 500 | 250 | 180 |
| PA, ±5 deg | 20 | 340 | 340 | 30 | 45 |
| i, deg | 50 | 50 | 50 | 50 | 30 |
| Vmax sin i, ±5 km s−1 | 153 | 107 | 153 | 100 | |
Notes. Here Vsys is defined with Eq. (6).
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