next up previous contents
Next: Highecut Up: Multiplicative Model Components Previous: Expfac

            gabs: gaussian absorption line

M(E) = exp(-(par3/(sqrt(2*pi)*par2))*exp(-.5((E-par1)/par2)^2))

where :

 

 par1   = line energy in keV

 par2   = line width (sigma) in keV

 par3   = optical depth