Table 4
Parameters of GRB 151027A in the homogeneous and wind scenarios.
| Parameter | Homogeneous CBM | Wind CBM |
| (s = 0) | (s = 2) | |
|
|
||
| Γ0 | 125 | 48 |
| ϵ e | 0.22 | 0.04 |
| ϵ B | 8 × 10-5 | 0.06 |
| n 0 | 0.08 cm-3 | 0.04 A∗ |
| η | 0.035 | 0.16 |
| p | 2.4 | 2.65 |
| θ jet | 4.2° | 6.3° |
| Eγ [erg] | 1.1 × 1050 | 2.4 × 1050 |
| Eγ,iso [erg] | 3.98 × 1052 | 3.98 × 1052 |
|
|
||
| Late prompt parameters | ||
|
|
||
| TA [s] | – | 1 × 105 |
| LA [erg/s] | – | 1.3 × 1046 |
| νb [Hz] | – | 1 × 1016 |
| β X | – | 1.0 |
| β o | – | 0.6 |
| α fl | – | 0.4 |
| α st | – | 2.0 |
Notes. The CBM density is expressed as n(R) = n0 × R− s, where s = 0 represents the case of homogeneous CBM and s = 2 the case of wind CBM, where the coefficient is expressed in unity of A∗ = 3 × 1035 cm-1. LA is the 0.3–10 keV luminosity of late prompt at TA.
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