Proto-Magnetars as GRB Central Engines: Uncertainties, Limitations, and Particulars
Todd A. Thompson, Brian D. Metzger, Niccol\`o Bucciantini
TL;DR
This paper reviews the millisecond proto-magnetar model for long-duration gamma-ray burst central engines, discussing its uncertainties, limitations, and specific characteristics like energy, duration, and jet formation.
Contribution
It provides a concise overview of the current understanding and challenges of the proto-magnetar model for GRBs, highlighting key uncertainties and specific physical aspects.
Findings
Identifies key limitations and uncertainties in the proto-magnetar model.
Discusses maximum energy and duration constraints for GRB engines.
Explores jet formation mechanisms and late-time energy injection effects.
Abstract
The millisecond proto-magnetar model for the central engine of long-duration gamma-ray bursts is briefly reviewed. Limitations and uncertainties in the model are highlighted. A short discussion of the maximum energy, maximum duration, radiative efficiency, jet formation mechanism, late-time energy injection, and (non-)association with supernovae of millisecond magnetar-powered GRBs is provided.
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