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Table 6

Emission parameters obtained for GRB 120711A for two cases with different radiation efficiencies, ηγ.

Parameter Symbol Approx. values Approx. values
for ηγ = 0.2 for ηγ = 0.5

Electron spectral index p 2.1 2.1
Redshift z 1.405 1.405
Luminosity distance d L 3.18 × 1028 cm 3.18 × 1028 cm
Deceleration time t dec T0 + 126 s T0 + 126 s
Time of the jet t jet T0 + 8.5 Ms T0 + 8.5 Ms
Peak energy E peak 1130 keV 1130 keV
Rest-frame peak energy E peak,z 2260 keV 2260 keV
Isotropic energy E γ,iso 1.65 × 1054 erg 1.65 × 1054 erg
Isotropic kinetic energy E k,iso 6.6 × 1054 erg 1.65 × 1054 erg
Wind density parameter A 0.11 1.6
Electron energy fraction ϵ e 0.03 0.12
Magnetic energy fraction ϵ B 2 × 10-3 4 × 10-5
Mass-loss rate W 10-6M yr-1 10-5M yr-1
Initial bulk Lorentz factor γ 0 340 124
Jet half-opening angle θ jet 0.03 rad (2°) 0.09 rad (5°)
Collimation factor f b 4 × 10-4 4 × 10-3
Radiated energy E γ 7 × 1050 erg 7 × 1051 erg
Kinetic energy E k 3 × 1051 erg 7 × 1051 erg
Total energy E total 4 × 1051 erg 1.4 × 1052 erg
Deceleration radius R dec 1016 cm 1015 cm
Baryon load M fb 2 × 10-5M 1 × 10-4M

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