Fig. 17
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Histograms of the normalised separations 
between Gaia-CRF3 and ICRF3 S/X for the full set of 3142 common sources (blue) and the 259 defining sources (red). The dashed curves are the exponential functions described in the text. A total of 195 sources have XΔ > 10 and fall outside this plot (10 of them are defining sources in ICRF3).
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