SPIRou
Exposure Time and Signal-to-Noise Ratio Calculator
SPIRou ETC version: December 2020. ETC output better displayed in Firefox or Chrome.
Compute
SNR/pixel
MagH
T Eff (K)
seeing "
h2o
airmass
e-time (seconds)
Detailed Output?
etime
snr
1.0
1.6
3.0
5.0
1.0
1.5
2.0
© 2017 Canada-France-Hawaii-Telescope Corporation
by Luc Arnold, Claire Moutou, and
Billy Mahoney
Last updated 2020 December.