psf_from_grid

romanisim.psf.psf_from_grid(psfgrid, x_0=None, y_0=None, size=185)

Calculate a PSF profile from a GriddedPSFModel at the specified position

Parameters:

psfgridGriddedPSFModel

The PSF model to calculate from

x_0, y_0float or None

Position to calculate the psf. If None, (0., 0.) is used

sizeint

Stamp size. Must be odd. The default, 185, is the default stamp size for the STPSF stamp.

Returns:

psfnd.array

The psf profile.