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Last modified: 1 November 2022


CIAO 3.2.1 Release Notes

The CIAO 3.2.1 patch contains updated versions of acis_build_badpix and

. For more information on using these tools, please see the
Identify ACIS Hot Pixels and Cosmic Ray Afterglows thread, which has been updated to reflect the changes in this release.

Make sure to delete any existing parameter file (acis_run_hotpix.par) in ~/cxcds_param so that you pick up the CIAO 3.2.1 default version, which has a new parameter (pbkfile).

If you created a new bad pixel file with acis_run_hotpix in CIAO 3.2 and the tool did not report any errors, it is not necessary to recreate the file in CIAO 3.2.1.