Exposure Time and Signal-to-Noise Ratio Calculator (in development)

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Source Background Instrument setup Observing conditions Compute
Filter:

Reference wavelength: nm
Resolution:

Binning:

Apodization:
 Seeing:

Airmass:

Moon phase:

Clouds Extinction:
mag 		Mode:
SNR estimation:

Fixed Exposure Time = s

Source parameters Background parameters
Temperature:

Metallicity:

Magnitude:
mag

 Spectral Shift:


ISM extinction:
EB-V= mag 		Temperature:

Metallicity:

Magnitude:
mag

 Spectral Shift:


ISM extinction:
EB-V= mag

User guide

Results

Apodization:
Wavelength range: Reference Wavelength = nm
λmin= nm
λmax= nm
Resolution: at reference wavelength
at λmin
at λmax
Log (copy paste the whole line in PH1):
Nsteps:
Exposure time per step: s (> 1s)
Overhead per step: s
Total time for the cube (with overheads): s (< 21600s, i.e 6 hours)
SNR:

Spectrum plot SNR plot