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gsmooth: gaussian smoothing
Gaussian smoothing with a variable width , which varies as the
par2 power of the energy. The width at 6 keV is set with par1. Note that the
energy binning must be uniform. If the response energies are not uniformly
spaced then the energies command should be used to set uniform energy binning.
where:
par1= |
gaussian sigma at 6 keV |
par2= |
power of energy for sigma variation |