Chandra Observations of the Anomalous X-ray Pulsar 1E 2259+58.6

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Supernovae, Supernova Remnants And Isolated Neutron Stars

Scientific paper

We present X-ray imaging, timing, and phase resolved spectroscopy of the anomalous X-ray pulsar 1E 2259+58.6 using the Chandra X-ray Observatory. Time resolved X-ray spectra show no significant variation as a function of pulsar spin phase. The phase averaged spectrum is well described by a power law plus blackbody model with Γ = 3.6(1), kTBB=0.412(6) keV, and NH=0.93(3) × 1022 cm-2; we find no evidence for spectral features (0.5-7.0 keV). We derive a spin period of P=6.978977(24) s. We have detected emission beyond 4'' from the central source extending above 100'', which is due to the supernova remnant (G109.1-1.0) and to dust scattering in the interstellar medium.

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