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Table 1
Proper motions and heliocentric radial velocities of the knots in the PV Cep outflow.
| Knot | Distance (a) (arcsec) | Vtan (b) (km s−1) | Vtan (arcsec yr−1) | PA (deg) | Vr (Hα) (km s−1) | Vr ([S II] 6716 Å) (km s−1) |
|---|---|---|---|---|---|---|
| A | 4.5 | − | − | − | −252 | −237 |
| B | 14.0 | 96 ± 35 | 0.059 | 328 | −242 | −236 |
| C | 19.7 | − | − | − | −260 | −232 |
| D | 25.1 | 205 ± 40 | 0.124 | 10 | −255 & −180 | −281 |
| E | 31.2 | 169 ± 40 | 0.102 | 343 | −280 | −276 |
| F | 39.6 | 240 ± 35 | 0.145 | 331 | −270 | −275 |
| G | 53.7 | 61 ± 23 | 0.036 | 17 | −200 | −192 |
| H | 59.2 | − | − | − | −230 | |
| I | 61.7 | 125 ± 30 | 0.075 | 325 | −245 & −185 | −255 |
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