Issues

• FFT segfault

  GalSim-developers/GalSim#1362 · Filter by author jmeyers314 opened on Jun 9, 2026
  4

• Check that the user has write permissions for the output directory in the config file

  configfeature request
  GalSim-developers/GalSim#1353 · Filter by author arunkannawadi opened on Mar 13, 2026

• Error in the flux when summing achromatic opticalPSF using photon shooting

  numericsoptics/atm
  GalSim-developers/GalSim#1352 · Filter by author aguinot opened on Mar 10, 2026

• random number generators perform unnecessary copy

  optimization/performance
  GalSim-developers/GalSim#1351 · Filter by author braingram opened on Mar 4, 2026
  1

• Photon shooting with OpticalPSF/InterpolatedImage gives different results on Mac ARM and Linux

  numericsoptics/atm
  GalSim-developers/GalSim#1350 · Filter by author aguinot opened on Mar 4, 2026
  5

• numerical issue for some realizations of atmosphere

  optics/atm
  GalSim-developers/GalSim#1280 · Filter by author esheldon opened on Mar 23, 2024
  29

• Sum over ghosts or use a diffrent formula for periodic cardinal sinus.

  numericsoptimization/performance
  GalSim-developers/GalSim#1267 · Filter by author jecampagne opened on Dec 21, 2023

• define origin and world_origin for CelestialWCS classes?

  feature requestwcs
  GalSim-developers/GalSim#1260 · Filter by author beckermr opened on Nov 7, 2023
  8

• Have GalSim support Windows installations.

  build
  GalSim-developers/GalSim#1168 · Filter by author RomanAkhmetshyn opened on Jul 14, 2022
  3

• King density profile implementation

  feature request
  GalSim-developers/GalSim#1134 · Filter by author ejullo opened on Sep 9, 2021
  1

• Make most keyword parameters invalid as positional arguments

  cleanup
  GalSim-developers/GalSim#1130 · Filter by author rmjarvis opened on Jul 13, 2021

• Investigate functools.lru_cache

  cleanup
  GalSim-developers/GalSim#1125 · Filter by author jmeyers314 opened on Jun 19, 2021
  1

• whitenNoise not working properly with COSMOSCatalog real galaxies

  bug reportcorrelated noise
  GalSim-developers/GalSim#1071 · Filter by author xuod opened on Dec 13, 2019
  6

• extrapolated galaxy models

  descfeature requestinputs
  GalSim-developers/GalSim#808 · Filter by author rmandelb opened on Sep 29, 2016
  8

• chromatic "RealGalaxy" objects from hydro simulations

  chromaticdescfeature requestinputs
  GalSim-developers/GalSim#669 · Filter by author rmandelb opened on Jun 4, 2015
  12

• Update Gaussian random shear field generation

  cleanupdescfeature requestlensingstarter projects
  GalSim-developers/GalSim#641 · Filter by author rmandelb opened on Feb 9, 2015

• streamlined, simplified validation scripts

  cleanuptests
  GalSim-developers/GalSim#574 · Filter by author rmandelb opened on Jul 1, 2014
  3

• tabulated sersics

  base classesfeature requestnumericsstarter projects
  GalSim-developers/GalSim#566 · Filter by author rmandelb opened on Jun 18, 2014
  6

• Centroid shifts from lensing

  descfeature requestlensingstarter projects
  GalSim-developers/GalSim#557 · Filter by author rmjarvis opened on May 29, 2014
  6

• Opacity of foreground objects

  descfeature requeststarter projects
  GalSim-developers/GalSim#550 · Filter by author rmjarvis opened on May 28, 2014

• Updates to Shapelet.fitImage functionality

  feature request
  GalSim-developers/GalSim#502 · Filter by author rmjarvis opened on Jan 20, 2014
  1

• time DFT vs. photon-shooting branch

  descnumericsstarter projectstests
  GalSim-developers/GalSim#205 · Filter by author rmandelb opened on Jun 27, 2012
  10