1: CIAO 4.12.1 has been released with a new version of Sherpa (Sherpa 4.12.1).
2: Some users are having a problem with the CalDB 4.9.2.1 upgrade tar file. We have corrected the MANIFEST and the upgrade tar file, and made it available for download.

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7/14/20

Due to the current circumstances, the science workshop on Chandra Frontiers in Time-Domain Science will transition to a series of virtual topical sessions and panels throughout the Fall 2020. Version 4.12.2 of the Contributed Scripts and Modules package is available

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7/9/20

Version 4.12.3 of the Contributed Scripts and Modules package has been released (July 9, 2020). CIAO 4.12 users are strongly encouraged to update to this version of the contributed scripts.

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7/9/20