"Vela X-1"
  E(keV)    dE(keV)   F(ph/(cm^2.s.keV))   Error(1 sigma)
   31.50      4.75        1.98e-03        3.74e-06
   42.75      6.50        6.28e-04        1.93e-06
   57.75      8.50        7.53e-05        3.78e-06
   78.00     11.75        1.92e-05        1.55e-06
  105.25     15.50        4.09e-06        1.11e-06
  142.00     21.25        4.99e-07        9.79e-07