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Fig. 1


Moment 0 (contour) and 1 (color) maps of the HCO+J = 3 − 2 line (left) and 1.1 mm continuum image (right) of IRS 63 and IRS 43. The beam is shown by the black ellipses. The dashed grey line marks the direction of the velocity gradient.

This figure is made of several images, please see below:

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