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Bug Reports

This is the sixteenth public release of FTOOLS. While all the tasks have been tested during development, bugs and conceptual oversights are inevitable in a project of this size. Users are requested to report bugs and suggested enhancements or new features for the FTOOLS package to the HEASARC group at NASA Goddard Space Flight Center by sending electronic mail to the following hotseat:

If you could add a descriptor to the subject field along the lines of FTOOLS help or XSELECT help, it will speed up the reply.

Lawrence Elwin Brown
Wed Aug 6 11:33:26 EDT 1997


If FTOOLS has been useful in your research, please reference this site ( and use the ASCL reference for HEASoft [ascl:1408.004] or the ASCL reference for the original FTOOLs paper [ascl:9912.002]:

Blackburn, J. K. 1995, in ASP Conf. Ser., Vol. 77, Astronomical Data Analysis Software and Systems IV, ed. R. A. Shaw, H. E. Payne, and J. J. E. Hayes (San Francisco: ASP), 367.

Web page maintained by: Bryan K. Irby