fitAstromErrModel¶

lsst.validate.drp.matchreduce.fitAstromErrModel(snr, dist)[source]¶

Fit model of astrometric error from LSST Overview paper

Parameters:

snr : list or numpy.array

Signal-to-noise ratio of photometric observations

dist : list or numpy.array

Scatter in measured positions [mas]

Returns:

dict

The fit results for C, theta, sigmaSys along with their Units.