"4U 1909+07"
  E(keV)    dE(keV)   F(ph/(cm^2.s.keV))   Error(1 sigma)
   31.50      4.75        9.94e-05        4.26e-06
   42.75      6.50        4.42e-05        2.25e-06
   57.75      8.50        1.60e-05        4.22e-06
   78.00     11.75        3.79e-06        1.49e-06
  105.25     15.50        1.47e-06        1.05e-06
  142.00     21.25        9.22e-07        9.05e-07