https://cxc.cfa.harvard.edu/sherpa/ahelp/get_syserror.html
Ahelp: get_syserror - CIAO 4.18 Sherpa
The Sherpa package for fitting and modeling data (part of CIAO).
getciaosherpa
https://cxc.cfa.harvard.edu/sherpa/ahelp/load_syserror.html
Ahelp: load_syserror - CIAO 4.18 Sherpa
The Sherpa package for fitting and modeling data (part of CIAO).
loadciaosherpa
https://cxc.cfa.harvard.edu/sherpa/ahelp/set_syserror.html
Ahelp: set_syserror - CIAO 4.18 Sherpa
The Sherpa package for fitting and modeling data (part of CIAO).
setciaosherpa