CAFOS

Photometric Zero Points

 

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)



 

Site#1d

Filter
Zero Point [mag]
U
21.77
B
23.64
V
23.61
R
23.89
I
23.12

 

                M. Alises
                May 2002