Table 2: Best-fit parameters of the IF01 and GF98 photon spectra.

Flare
Interval Band Model kT $\Gamma_1^{(a)}$ $\Gamma_2^{(a)}$ $E_{\rm break}^{(a)}$ $\Gamma^{(b)}$ $\chi^2/{\rm d.o.f.}$ Fluence(c)
    (keV)   (keV)     (keV)     (10-4 erg cm-2)

IF01
A 40-700 BB+BKNPL+PL $\rm 14.4^{+1.2}_{-0.8}$ $\rm 2.1^{+0.1}_{-0.1}$ $\rm 4.8^{+0.2}_{-0.2}$ $\rm 73^{+2}_{-2}$ <-0.4 62/72 1.2
      OTTB+BKNPL+PL $\rm 31.7^{+2.3}_{-2.1}$ $\rm0.6^{+0.2}_{-0.1}$ $\rm 5.0^{+0.3}_{-0.2}$ $\rm 73^{+1}_{-2}$ $\rm -0.6^{+1.5}_{-0.6}$ 64/72 1.2
  B 40-100 BB $\rm 12.7^{+1.6}_{-1.4}$ - - - - 17.6/14 0.03
      OTTB $\rm 36^{+12}_{-8}$ - - - - 16.7/14 0.03

GF98
A 40-700 BB+BKNPL+PL $\rm 19^{+4}_{-3}$ $\rm 1.0^{+0.2}_{-0.3}$ $\rm 3.7^{+0.1}_{-0.1}$ $\rm 75^{+1}_{-2}$ <-0.5 191/187 > 6.4
      OTTB+BKNPL+PL $\rm 40^{+3}_{-3}$ $\rm -1.8^{+0.2}_{-0.6}$ $\rm 3.48^{+0.02}_{-0.02}$ $\rm 71^{+2}_{-1}$ $\rm -2.1^{+1.1}_{-0.4}$ 191/187 > 6.4
  B 40-500 BB+BKNPL $\rm 20.5^{+1.8}_{-1.8}$ $\rm 1.3^{+0.2}_{-0.3}$ $\rm 4.9^{+0.2}_{-0.1}$ $\rm 75^{+2}_{-2}$ - 50.3/69 3.1
      OTTB+BKNPL $\rm 44^{+3}_{-2}$ <-1.0 $\rm 4.9^{+0.6}_{-0.3}$ $\rm 72^{+1}_{-1}$ - 50.7/69 3.1
  C 40-200 BB+PL $\rm 16.0^{+0.4}_{-0.4}$ - - - <2.6 41.3/36 0.49

(a) Parameters of the broken power law: $I(E)\propto
E^{-\Gamma_1}$ for $E\le E_{\rm break}$; $I(E)\propto E^{-\Gamma_2}$ for $E\ge E_{\rm break}$
(b) Parameters of the power law: $I(E)\propto E^{-\Gamma}$
(c) Fluence in the 40-700 keV energy band.


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