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Table 3
Parameters of the trajectory that best reproduces the HC3N observations around IRAS 4A.
| Parameter | Unit | Value |
|---|---|---|
| υ0 | deg | 92 |
| φ0 | deg | −5 |
| r0 | au | 3000 |
| Vr,0 | km s−1 | 0 |
| Ω0 | s−1 | 2.3 × 10−13 |
| i(*) | deg | −35 |
| PA(**) | deg | 19 |
Notes. (*)Angle obtained from the disk inclination (Segura-Cox et al. 2018). (**)Angle obtained from the outflow direction (Lee et al. 2016).
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