PSF fourth-order moments in the sky frame (spin-2 + rho4) - #859

Open

cailmdaley wants to merge 10 commits into

feat/psf-fourth-moments

Commits on Jul 12, 2026

psf shapes: measure HSM adaptive moments in sky coords

cailmdaley
and
claude
committed
e8f5ff7
convert_psf_pix2world: strip now-redundant HSM shape rotation

cailmdaley
and
claude
committed
71d502f
test: HSM sky-coords moments match old Jacobian rotation

cailmdaley
and
claude
committed
071a604
convert_psf_pix2world: keep HSM rotation for external-mccd MOM_LIST branch

cailmdaley
and
claude
committed
c08cdb0
psf interp: use origin=1 positions for local_wcs_list

cailmdaley
and
claude
committed
f153ea2

Commits on Jul 20, 2026

refactor(scripts): rename convert_psf_pix2world -> collate_star_cat, add patch-less v2.0

cailmdaley
and
claude
committed
baea03a

Commits on Jul 21, 2026

feat(psfex-interp): add spin-2 fourth moments and rho4 in sky frame

cailmdaley
and
claude
committed
552204d
test(psfex-interp): analytic and frame-invariance tests for fourth moments

cailmdaley
and
claude
committed
351b985
fix(merge-starcat): carry HSM fourth moments through PSFEx merge

cailmdaley
and
claude
committed
e5b7f5d
test(psfex-interp): cover bad-pixel masking and centroid transform

cailmdaley
and
claude
committed
b07f0cd