Dark Energy Survey year 3 results: point spread function modelling
Dark Energy Survey year 3 results: point spread function modelling
We introduce a new software package for modeling the point-spread function (PSF) of astronomical images, called Piff (PSFs In the Full FOV), which we apply to the first three years (known as Y3) of the Dark Energy Survey (DES) data. We describe the relevant details about the algorithms used by …