Catalog Types

Catalog(ddf, ddf_pixel_map, hc_structure, *)	LSDB Catalog to perform analysis of sky catalogs and efficient spatial operations.
MarginCatalog(ddf, ddf_pixel_map, hc_structure)	LSDB Catalog that contains the margin of another HATS catalog.
MapCatalog(ddf, ddf_pixel_map, hc_structure)	LSDB DataFrame to contain a continuous map.