Currently the choice to make PSF-matched coadds is a config in makeCoaddTempExp allowing users to make either psf-matched or non-psf-matched coadd temporary exposures (CoaddTempExps). In DRP we will want both, and storing both will require making psf-matched and non-psf-matched CoaddTempExps different butler datatypes.
We will want both types of coadds for different uses: non-psf-matched coadds for deep detection for example and psf-matched coadds for galaxy colors, optical artifact masking/rejection, etc… Help me survey the “etc”: As I plan to incorporate PSF-matched coadds into the DRP process, I’d like your input if you’re expecting your downstream algorithm to make use of psf-matched CoaddTempExps or coadds.
An RFC will follow after we develop a plan for generating and storing PSF-matched CoaddTempExps as a separate datatype.