# List of feature sets For each catalog file objects_catalog_XXX.parquet.gz, features are - "OBJECT_ID", - "FITS_ID", - "CCD_ID", - "ISO0", - "BACKGROUND", - "ELLIPTICITY", - "ELONGATION", - "CLASS_STAR", - "FLAGS", - "EXPTIME", - "gt_label1", - "gt_label2" "gt_label1" and "gt_label2" are the ground truth labels for the object, target of classification. They are extracted from the annotation file map_images_labels_XXX.json. For the data and file formats, see the data definition report in the documentation folder of the git repository.