Fig. 3.
Image of R136 by IRDIS/K. Small black circles are bright reliable sources (K < 15 mag). The green and black arrows indicate the PM of these sources, magnified 100 times. The inset in the bottom right corner shows 1 pixel size (1 pix = 4 mas yr−1) and the amount of the HOMAs shifts compared to the mean shift of 339 reliable sources (
mas yr−1) and 141 RC sources (
mas yr−1) respectively as a large red and blue circle.
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