PSF Models

lsst.images.psfs Package

The PointSpreadFunction interface represents a model of how the image of unresolved object is smeared out by some combination of atmosphere, optics, and detector.

Classes

GaussianPSFSerializationModel(*, metadata, ...)
GaussianPointSpreadFunction(sigma, bounds, ...)	A PSF with a spatially-invariant circular Gaussian profile.
LegacyPointSpreadFunction(impl, bounds)	A PSF model backed by a legacy lsst.afw.detection.Psf object.
PSFExSerializationModel(*, metadata, ...)	Serialization model for PSFEx PSFs.
PSFExWrapper(impl, bounds)	A specialization of LegacyPointSpreadFunction for the PSFEx backend.
PiffSerializationModel(*, metadata, ...)	Serialization model for a Piff PSF.
PiffWrapper(impl, bounds, stamp_size)	A PSF model backed by the Piff library.
PointSpreadFunction()	Base class for point-spread function models.