pointing_optics_sigma

sofia_redux.calibration.standard_model.derived_optics.pointing_optics_sigma(iq)

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.