# energy_low(keV) energy_high(keV) fractional_rms fractional_rms_error 0.300000 0.460000 -NaN -NaN 0.460000 0.700000 -NaN -NaN 0.700000 1.00000 0.0152870 0.00368718 1.00000 1.54000 -NaN -NaN 1.54000 2.40000 0.00730700 0.00219310 2.40000 4.80000 -NaN -NaN 4.80000 10.0000 0.00949869 0.00331975