"3C120"
  E(keV)    dE(keV)   F(ph/(cm^2.s.keV))   Error(1 sigma)
   31.50      4.75        2.76e-05        8.09e-06
   42.75      6.50        1.79e-05        4.34e-06
   57.75      8.50        1.22e-05        7.13e-06
   78.00     11.75        1.11e-05        2.93e-06
  105.25     15.50        3.17e-06        2.05e-06
  142.00     21.25        3.01e-06        1.83e-06
  191.75     28.50        5.09e-09        1.74e-06