psf

Methods for working with point spread functions.

hsr4hci.psf.get_psf_fwhm(psf_template)

Fit a symmetric 2D Gaussian to the given psf_template to estimate the full width half maximum (FWHM) of the central “blob”.

Parameters:

psf_template (ndarray) – A 2D numpy array containing the unsaturated PSF template.

Returns:

The FWHM of the PSF template (in pixels).

Return type:

float