Timing the Newly Discovered Pulsar at the Center of Supernova Remnant Kes 79

Details Timing the Newly Discovered Pulsar at the Center of Supernova Remnant Kes 79 Timing the Newly Discovered Pulsar at the Center of Supernova Remnant Kes 79

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop...19g&link_type=abstract

XMM-Newton Proposal ID #04003901

Other

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Psr J1852+0040, Xmm-Newton Proposal 04003901

Scientific paper

We have discovered 105-ms X-ray pulsations from the compact central object (CCO) in the supernova remnant Kes 79, one of six enigmatic X-ray emitters whose nature is a great mystery. We propose to follow the all-important spin-down evolution in order to quantify the energetics of the pulsar and test whether it is powered by rotation, accretion, or a more exotic process. We will compare the timing properties of this pulsar with 1E 1207.4-5209 in PKS 1209-51/52, the only other confirmed CCO pulsar, whose strange spin-down irregularity suggests that it might not be an isolated NS. The relationship between ordinary pulsars, CCOs, and anomalous X-ray pulsars, may be greatly illuminated by timing measurements of this new pulsar.

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