Magnetars with Low Magnetospheric Twist

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Summary Table
Category Progenitor Type Energy Mechanism Emission Mechanism Counterparts References Brief Comments
LF Radio HF Radio Microwave Terahertz Optical/IR X-rays Gamma-rays Gravitational Waves Neutrinos
Other Magnetars with Low Magnetospheric Twist Repeat Mag. reconnection Curv. Yes
(excl. self absorption)
Yes Maybe Maybe No Afterglow Yes
if jet aligned
Yes Not detectable, None

Definitions: LF Radio (3 MHz to 3 GHz); HF Radio (3 GHz to 30 GHz); Microwave (30 to 300 GHz)

Model Description

FRBs may be the result of short bursts created in the closed field line regions of magnetar magnetospheres (as opposed to near the caps as in pulses). Crustal slippage on the surface of the magnetar causes magnetic reconnection and thus particle acceleration, producing coherent emission.

Observational Constraints