Fig. A.2.

Transverse pv diagrams of the 12CO emission, with pseudo slit parallel to the disk main axis, from y = +4.95″ on the top left to y = −0.85″ on the bottom right. The horizontal lines represent the vlsr of HH30 at 6.9 km s−1 while the vertical lines outline the position x = 0. The contour levels start at 3σ with 3σ steps, with σ = 1.86 mJy beam−1.
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