Fig. 2.
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Observed X-ray afterglows of GRB 170822A (left) and GRB 230414B (right) with theoretical fits. Data points: Swift-XRT observations. Solid curve: magnetar model with an evolving magnetic inclination angle (α increasing from αi = 0.01 rad to αt = π/2 rad). Dashed gray curve: fixed α ≡ αi = 0.01 rad. Dotted gray curve: fixed α ≡ αt = π/2 rad.
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