"Ser X-1"
  E(keV)    dE(keV)   F(ph/(cm^2.s.keV))   Error(1 sigma)
   31.50      4.75        4.26e-05        4.41e-06
   42.75      6.50        7.71e-06        2.32e-06
   57.75      8.50        4.19e-06        3.60e-06
   78.00     11.75        8.69e-07        1.47e-06