Jonathan McDowell's early ASC/SDS documents

This page archives some of the early design documents I wrote for the Chandra CIAO analysis software.

ASC/CXC Series Documents by number

(this series currently maintained by Arnold Rots)

Coordinate Systems Documents by number

Data Model Series Documents by number

These documents represent the original design of the Chandra data model. There have been significant changes in the current implementation.

Prelaunch DM/Coords Design Documents by number