| INTER_COLOR_TOL | float | The tolerance factor for association between catalogs | | |
| ISO_COLOR_TOL | float | The tolerance factor for association within a catalog | | |
| MASK | int | The SExtractor mask to select objects for astrometric pairing: Flag & FLAG_MASK | | |
| PAIR_COLS | str | Enable the output of the PAIRS association column | | |
| VERBOSE | str | Verbosity level (NONE, NORMAL, VERBOSE, DEBUG) | | |
