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HEASoft and XSPEC are now available as conda packages. See details ....

fv's webpage is currently at

http://heasarc.gsfc.nasa.gov/ftools/fv

Follow the above link if you are not automatically redirected there.

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HEASoft and XSPEC are now available as conda packages. See details ....

FTOOLS HELP DESK

If FTOOLS has been useful in your research, please reference this site (https://heasarc.gsfc.nasa.gov/ftools) 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.