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Table 2
Velocity ranges of the individual spectra for the four arms of the v = 1, J = 2−1 emission in both LSR and in the reference frame of Source I, centered at a systemic velocity of vsys = 5.5 km s-1.
| Region | LSR velocity range | Source I velocity range |
| [km s-1] | [km s-1] | |
|
|
||
| North arm | +6.2 to +18.4 | +0.7 to +12.9 |
| West arm | +7.2 to +25.4 | +1.7 to +19.9 |
| South arm | −12.3 to +4.7 | −17.8 to −0.8 |
| East arm | −6.1 to +2.4 | −11.6 to −3.1 |
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