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Fig. 1

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Distribution of the apparent proper motion in the right ascension (upper) and declination (lower) for 3034 extragalctic sources fitted from their coordinate time series. The left and right vertical axes indicate the number of sources in the each bin and cumulative from the leftmost bin. The distribution for 299 sources among the so-called 303 ICRF3 defining source list is labeled with grey and red lines.

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