pointing_optics_sigma

sofia_redux.calibration.standard_model.derived_optics.pointing_optics_sigma(iq)[source]

Calculate the quality of the pointing optics.

Parameters:
iqfloat

Image quality. 80% enclosed energy giam for pointing + optics in arcsec.

Returns:
sig_pt_optfloat

Radial RMS vale of a 2-D Gaussian corresponding to iq.