Vol 13, No 10 (2013) / Tong

The timing behavior of magnetar Swift J1822.3−1606: timing noise or a decreasing period derivative?

Hao Tong, Ren-Xin Xu


The different timing results of the magnetar Swift J1822.3−1606 are analyzed and understood theoretically. It is noted that different timing solutions are caused not only by timing noise, but also because the period derivative is decreasing after the outburst. Both the decreasing period derivative and the large timing noise may originate from wind braking associated with the magnetar. Future timing of Swift J1822.3−1606 will help clarify whether or not its period derivative is decreasing with time.


pulsars: individual (Swift J1822.3−1606) — stars: magnetar — stars: neutron

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