Two predictions for the spin down behavior of magnetar SGR J1745-2900
H. Tong
TL;DR
This paper discusses wind braking in magnetars, focusing on SGR J1745-2900, and predicts its period derivative will first increase then decrease, along with potential future outbursts.
Contribution
It introduces two specific predictions for the spin-down behavior of SGR J1745-2900 based on wind braking theory.
Findings
Period derivative will first increase then decrease
Possible outbursts in the near future
Application of wind braking to magnetar timing events
Abstract
The basic concepts of wind braking of magnetars, and its applications to various timing events of magnetars are outlined. The case of the Galactic centre magnetar SGR J1745-2900 is especially discussed. Two predictions for SGR J1745-2900 are made (the period derivative will first increase then decrease; and possible outbursts in the near future).
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Gamma-ray bursts and supernovae · Astrophysical Phenomena and Observations