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The braking index of PSR B0540โˆ’69 and the associated pulsar wind nebula emission after spin-down rate transition

The braking index of PSR B0540โˆ’69 and the associated pulsar wind nebula emission after spin-down rate transition

In Dec. 2011 PSR B0540-69 experienced a spin-down rate transition (SRT), after which the spin-down power of the pulsar increased by ~36%. About 1000 days after the SRT, the X-ray luminosity of the associated pulsar wind nebula (PWN) was found to brighten by 32+/-8%. After the SRT, the braking index โ€ฆ