Photo-z Performance Forecast
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Select from right panel
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Click bands from right panel to add (auto-sorted by wavelength)
Select from right panel
Click or drag params.txt here
Parameter description (units in comments)
exp_time # single exposure time (s)
n_read # number of exposures
backsky # sky background (e-/pixel/s)
psf_fwhm # PSF FWHM (arcsec)
diameter # telescope diameter (m)
pixel_size # pixel scale (arcsec/pixel)
dark_current # dark current (e-/pixel/s)
readout_noise # readout noise (e-)
File format example
⚠️ Each row corresponds to one band, in the same order as shown in the “Bands list” field above. When you add bands, they are automatically sorted by wavelength, so you must fill in each row of params.txt following that sorted band order (not the order you typed them in).
exp_time n_read backsky psf_fwhm diameter pixel_size dark_current readout_noise
250 8 0.018 0.177 2.0 0.074 0.02 5
250 8 0.156 0.177 2.0 0.074 0.02 5
250 8 0.200 0.177 2.0 0.074 0.02 5
250 8 0.207 0.190 2.0 0.074 0.02 5
250 8 0.123 0.217 2.0 0.074 0.02 5