Open Access

Table 1

Remaining sample size following the application of the selection criteria.

Criterion # in sample
Initial sample of members 833

Removal of contaminants by LAMOST spectral identification 830

Brightness g < 20.8 or r < 20.6 mag 801

Epochs > 30 for both g and r 779

Variability level ν > 15th percentile 657

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