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Table 3

Populations in the AC20 sample.

Population Sources
All 3 369 456
EYP Extremely young massive (τ ≾ 0.2 Gyr) 12 792
YP Young main sequence with 0.2 ≾ τ ≾ 2 Gyr 276 344
IP Intermediate main sequence with 2 ≾ τ ≾ 8 Gyr 807 910
OP Old main sequence 1 032 916
RG Red giants 176 193
RC Red clump 121 857

Notes. The selections are obtained following the Method I, except for the RC of the last row (Method II).

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