Laplacian Cosmic Ray Identification

By Pieter G. van Dokkum (Yale)

Hubble Space Telescope WFPC2 images of stars and galaxies

L.A.Cosmic is an algorithm for robust cosmic ray identification. It detects cosmic rays of arbitrary shapes and sizes, and distinguishes between undersampled point sources and cosmic rays. The method is explained in PASP 113, 1420 (2001).

Paper (PostScript)


Limitations and planned updates

Notes for users

Parameter settings