A Precessing, Magnetically Dominated, Structured Jet Powering the Hour-scale Quasiperiodic GRB 250702B

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Analysis reveals magnetic reconnection and nutation explaining anomalies of GRB 250702B's X-ray and gamma-ray emissions.

Ultralong episodic activity included three gamma-ray episodes within 3.2 hours, showing quasi-regular spacing.
Model predicts missing pulses due to low-amplitude nutation affecting the beaming cone.
Interpretation involves a stellar black hole accreting from a misaligned debris disk, creating a structured jet.
Predicted behavior provides a unified explanation for radiation anomalies in GRB 250702B.

Tao An (2025) studied this question.

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