Post-outburst timing of the magnetically active pulsar J1846-0258

Details Post-outburst timing of the magnetically active pulsar J1846-0258 Post-outburst timing of the magnetically active pulsar J1846-0258

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1357..189l&link_type=abstract

RADIO PULSARS: AN ASTROPHYSICAL KEY TO UNLOCK THE SECRETS OF THE UNIVERSE. AIP Conference Proceedings, Volume 1357, pp. 189-192

Astronomy and Astrophysics

Astrophysics

Supernova Remnants, Stellar Rotation, Time Series, X-Ray Sources (Astronomical), Supernovae, Stellar Rotation, Time Series Analysis, Time Variability, X-Ray Sources, X-Ray Bursts

Scientific paper

The ~800 yr-old pulsar PSR J1846-0258 in the supernova remnant Kes 75 is a unique transition object between rotation-powered pulsars and magnetars. While it typically behaves as a rotation-powered pulsar, in 2006 it exhibited a distinctly magnetar-like outburst accompanied by a large glitch with an unusual over-recovery. We present X-ray timing observations taken with the Rossi X-ray Timing Explorer after the X-ray outburst and accompanying glitch had recovered. We observe that the braking index of the pulsar, previously measured to be n = 2.65+/-0.01 has decreased by 18+/-5%. We also note a persistent increase in the timing noise relative to the pre-outburst level, reminiscent of behavior previously observed from some magnetars.

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