The following Zero Points give the apparent magnitude for which the system detects 1 count per second.
magnitude = ZP - extinction - 2.5 lg(Flux0)
where Flux0 is the measured flux in (counts second-1)
| Filter | Zero Point [mag] |
|---|---|
| U | 20.77 |
| B | 23.50 |
| V | 23.67 |
| R | 24.25 |
| I | 23.50 |