Open Access

Table 1

Data selection.

Match and Filter Star Planet
Kepler DR25 6923 8054
Match with Gaia (Berger20) 6391 7467
Match with LAMOST (PAST II) 1420 1749
Not a false positive 727 1025
Not a binary star 727 1025
Not a giant star 708 1003
P > 1 day 688 980
Rp < 4R 591 835
S/N > 7.1 587 829
Np > 1 166 408

Notes. Np is the number of transiting planets in a system during the process of data and sample selection in Sect. 2.

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