How to set the parameters - photon index and metal abundance in the CIAO Sherpa tool for an x-ray source?

I am trying to analyze a bright x-ray source using the data extracted from the Chandra archive. I have no idea about setting up the parameters for some models in the Sherpa tool.

  • 2
    $\begingroup$ Sherpa does have a pretty good help that should cover setting parameters of models: cxc.cfa.harvard.edu/sherpa What exactly is the problem with just setting the parameters as done in the given example scripts, i.e ,'model.pname=XY'? $\endgroup$
    – SpaceCore
    Feb 20 at 13:46


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