| Name | Type | Description |
| SRC_NUM | Integer | Source ID from observation source list |
| RA | Double | RA from exposure source list |
| DEC | Double | Declination from expoure source list |
| RATE | Real | Count rate from observation source list |
| COUNTS | Real | Number of source counts, from exposure source list |
| DIST_NN | Real | Nearest-neighbour distance from observation source list |