tried machine-learning algorithms to search for class-one and class-two chemical peculiars (CP1 and CP2 ...
by the visual investigation, we presented a catalog of 20,694 sources, including 17,986 CP1 and 2708 CP2 ...
, in which 6917 CP1 and 1652 CP2 are newly discovered.
We also list the spectral features to separate CP1 from CP2 discovered through XGBoost.
The log g of CP1 ranges from 2.8 to 4.8 dex, peaking at 4.5 dex, and of CP2 it ranges from 2.0 to 5.0 ...