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Fig. 7
Position-velocity diagram of the (J,K) = (6, 6) line observed in emission around the protostar W51e2-E. The cut is taken at the presumed location of the protostar (see text) with a PA = 45° (north to east). The contours are 0.005 and 0.01 Jy beam-1. The vertical dashed gray line indicates the velocity at 56.4 km s-1.
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