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Table 2.

Summary of the PN candidates identified in the paper.

Sample Triple Double Single Total
E.C. 444 105 42 591
C.T. 444 95 163 702
T.K. 444 74 46 564
Final 444 137 251 832

Notes. The columns show the name of the sample (indicated by the initials of the person who created the sample for the original catalogues), the number of objects in common to the three catalogues, the number of objects included in two catalogues, the number of objects identified by a single catalogue, and the number of objects in total.

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