"""Default survey parameters for LSST and HSC simulations.
Module-level dictionaries provide magnitude zero-points, pixel scales,
PSF FWHM values, and per-band noise variances keyed by survey name.
"""
[docs]
mag_zero_defaults = {
"lsst": 30.0,
"hsc": 27.0,
}
[docs]
pixel_scale_defaults = {
"lsst": 0.2,
"hsc": 0.168,
}
[docs]
psf_fwhm_defaults = {
"u": {
"lsst": 0.8,
},
"g": {
"lsst": 0.8,
"hsc": 0.798,
},
"r": {
"lsst": 0.8,
"hsc": 0.749,
},
"i": {
"lsst": 0.8,
"hsc": 0.617,
},
"z": {
"lsst": 0.8,
"hsc": 0.697,
},
"y": {
"lsst": 0.8,
"hsc": 0.688,
},
}
[docs]
noise_variance_defaults = {
"u": {
"lsst": 0.4517,
},
"g": {
"lsst": 0.099,
"hsc": 1.4e-3,
},
"r": {
"lsst": 0.138,
"hsc": 2.9e-3,
},
"i": {
"lsst": 0.354,
"hsc": 4.7e-3,
},
"z": {
"lsst": 1.334,
"hsc": 19e-3,
},
"y": {
"lsst": 1.41,
"hsc": 85e-3,
},
}