gauss ⚬ˣˢᵖᵉᶜ｜appendage｜___｜20260628155835-01-•

A	B
par1	$E_l$, line energy in keV
par2	$\sigma$, line width in keV
Norm	$K$, total photons/cm${}^2$/s in the line

(echo:: @ ᯤ)