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Table 1

Counts of PNe occupying different regions of the scatter plot in the upper left corner of Fig. 1, representing different changes in reliability relative to the CW20 Gaia DR2 matches.

PN status Match location region
A B C D E
true same 53 105 1238 47 15
changed 16 14 10 14 157
other same 36 58 303 7 3
changed 3 3 2 4 30

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