Skip to main content

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














The Xselect User's Guide



Version 2.5b


J. Ingham, K.A. Arnaud & M.F. Corcoran



HEASARC
Code 662
Goddard Space Flight Center
Greenbelt, MD 20771
USA


Nov 1, 2022