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Table 2.

Jet model parameters.

Parameter Symbol Adopted/Derived value Typical values Units
Luminosity Ljet 1038 1036 − 1039 erg s−1
Launching distance z0 1.0 × 108 ≳108 cm
Magnetic field at z0 B0 2.8 × 107 ∼105 − 107 G
Base of acceleration region za 3.0 × 109 ≳108 cm
Top of acceleration region zt 1.0 × 1012 Up to jet extent cm
Base half-opening angle ( † ) θjet 0.3 ≲10 deg
Viewing angle θ 60 0 − 180 deg
Bulk Lorentz factor Γjet 1.9 ∼1 − 5
Relativistic power fraction qrel 0.1 ≲0.1
Proton-electron power ratio a 0.11 0 − 100
Magnetic power-law index m 1 − 2
Acceleration efficiency log log η −5 ≤ log η ≤ −1
Injection spectral index p 1.5 − 2.5
Geometric index ε 0.1 ≤ ε ≤ 1

Notes. ( † )tanθjet = r0/z0.

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