PSR J0205 + 6449 is a young pulsar in the Crab-like pulsar wind nebula 3C 58 which is thought to be a result of the historical supernova SN1181 CE .
The 65.7-ms pulsar is the second most energetic of the known Galactic pulsars and has been shown to be remarkably cool for its age , implying non-standard cooling processes in the neutron star core .
We report on RXTE timing observations taken during AO7 and supplemented by monthly radio observations of the pulsar made with the Green Bank Telescope ( GBT ) .
The total duration covered with the timing solutions is 450 days .
We measure very high levels of timing noise from the source and find evidence for a “ giant ” glitch of magnitude \Delta \nu / \nu \sim 1 \times 10 ^ { -6 } that occurred in 2002 October .
We have also measured the phase-resolved spectra of the pulsations and find them to be surprisingly hard , with photon indices \Gamma = 0.84 ^ { +0.06 } _ { -0.15 } for the main pulse and \Gamma = 1.0 ^ { +0.4 } _ { -0.3 } for the interpulse assuming an absorbed power-law model .