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Various documents are available that explain how ChaRT works snd why it ought to be used. There is also information about point spread functions (PSFs) and the PSF libraries.

There is a separate page which lists ChaRT References.

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General ChaRT

• About ChaRT - detailed description of SAOsac and other components of ChaRT
• ChaRT bugs

PSFs and the PSF Libraries

• Why use ChaRT instead of the PSF libraries?
• Point Spread Function - definition of a PSF, including Chandra-specific details
• PSF Libraries - links to the PSF manual and simulated PSF examples
• PSF Library Caveats

Miscellaneous

• The HRMA User's Guide - characteristics of the Chandra High Resolution Mirror Assembly (HRMA).
• Chandra/CIAO Dictionary