Gauss fitting:
883086.07  908231.13  947457.80  985826.24  1041125.32  1046934.50

Gauss+Exp fitting:
813424.47  831466.67  852769.15  867125.24   918991.17   910779.63

Gauss+Exp*Cos fitting:
781815.78  799916.03  832457.66  867177.89   917280.04   869849.29

Gauss+Exp*Fourier fitting:
776889.24  793089.40  825828.29  863900.31   912946.44   867662.44