Fig. 4
Positions of all maser spots in G012.68−0.18 that have been detected in at least three epochs (positions from epoch 2011 May 21). The size of the spots scales logarithmically with the flux density of the spots. The asterisk marks the position of the central star which has an error of ~0.1″ in both coordinates. The arrows show the proper motions of the maser spots in the reference frame of the central star.
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