Point Spread Functions

GalPaK provides the two most common PSF : Gaussian and Moffat.

You may use them as the psf argument of the Instrument, as described here.

Gaussian

All instruments use this PSF model by default, with their own configuration :

Moffat

Interface

In order to furthermore customize the PSF you want to use, you can create your own PSF class and use it in the instrument, it simply needs to implement the following interface :