"XTE J1720-318" E(keV) dE(keV) F(ph/(cm^2.s.keV)) Error(1 sigma) 31.50 4.75 5.26e-05 8.30e-06 42.75 6.50 2.67e-05 4.36e-06 57.75 8.50 1.62e-05 7.13e-06 78.00 11.75 3.93e-06 1.24e-06 105.25 15.50 1.11e-06 8.78e-07 142.00 21.25 1.18e-17 7.60e-07