Table 4: Best-fit parameters of the multi-band light curves of the afterglow of GRB 070311. Uncertainties are 1$\sigma $. Values of frozen parameters are reported among square brackets.
Energy Model Component $\alpha$ $t_{\rm peak}^{{a}}$ $\sigma_{\rm r}$ $\sigma_{\rm d}$ A $\nu$
band/filter       (s) (s) (s) (mJy)  
18-200 keV PULSES pulse - $39.0\pm0.8$ $8.5\pm1.0$ $15.0\pm1.7$ $0.29\pm0.05^{{b}}$ $1.08\pm0.13$
H PULSES 1${\rm st}$ pulse - $119.0\pm2.2$ $18.2\pm4.8$ $63.6\pm5.2$ $4.9\pm0.3$ [1.08]
H PULSES 2${\rm nd}$ pulse - $180.5\pm9.4$ $0.5\pm3.6$ $110\pm15$ $2.6\pm0.2$ [1.08]
R PULSES 1${\rm st}$ pulse - [119.0] [18.2] [63.6] $2.7\pm0.2$ [1.08]
R PULSES 2${\rm nd}$ pulse - [180.5] [0.5] [110] $1.4\pm0.1$ [1.08]
H PL+PULSES pl $1.06\pm0.08$ - - - $3.6\pm2.0^{{c}}$ -
H PL+PULSES 1${\rm st}$ pulse - $119.0\pm0.1$ [0.1] $27\pm18$ $2.2\pm1.0$ [1.08]
H PL+PULSES 2${\rm nd}$ pulse - $181.1\pm0.6$ [0.1] $41\pm17$ $2.6\pm0.8$ [1.08]
R PL+PULSES pl [1.06] - - - $2.0\pm1.1^{{c}}$ -
R PL+PULSES 1${\rm st}$ pulse - [119.0] [0.1] [27] $1.2\pm0.6$ [1.08]
R PL+PULSES 2${\rm nd}$ pulse - [181.1] [0.1] [41] $1.4\pm0.4$ [1.08]
late R PL+PULSE pl [1.06] - - - $11.0\pm0.9^{{d,e}}$ -
late R PL+PULSE pulse - $19.1\pm0.3^{{f}}$ $2.85\pm0.54^{{f}}$ $7.4\pm0.7^{{f}}$ $36\pm4^{{e}}$ $0.91\pm0.34$
0.3-10 keV PL+PULSE pl $1.47\pm0.20$ - - - $1.3\pm0.1^{{d,g}}$ -
0.3-10 keV PL+PULSE pulse - $10\pm3^{{f}}$ $2.9\pm2.5^{{f}}$ $6.6\pm0.9^{{f}}$ $24\pm12^{{g}}$ $0.89\pm0.56$
a Time since GRB onset (corresponding to 45 s before the trigger time). b Flux density corresponding at 88 keV. c Flux at t=100 s. d Flux at t=105 s. e Units of $\mu$Jy. f Units of 104 s. g Units of 10-13 erg cm-2 s-1.

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