WIRCAM
Exposure Time and Signal-to-Noise Ratio Calculator
Compute
source type
snr
filter
mAB
photometry
aperture
etime
snr
point source
galaxy
extended source
Y
J
H
K
H2(1-0)
LowOH1
LowOH2
Ch4On
Ch4Off
KCont
BRG
W
aperture
psf
optimal aperture
fixed aperture
96% flux aperture
sky background
airmass
transparency
seeing "
dark
grey
bright
specify
e-time (s)
radius "
flux frac (%)
obj saturation (s)
sky saturation (s)
© 2015 Canada-France-Hawaii-Telescope Corporation
Collaborative effort of Simon Prunet, Pascal Fouque, and
Billy Mahoney