The 44 ms Pulsar Powering HESS J1813-178

Details The 44 ms Pulsar Powering HESS J1813-178 The 44 ms Pulsar Powering HESS J1813-178

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop....9g&link_type=abstract

XMM-Newton Proposal ID #06503101

Physics

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Psr J1813-1749

Scientific paper

We have just discovered the pulsar in the faint shell-type supernova remnant SNR G12.82-0.02, coincident with the TeV source HESS J1813-178 and possibly the Fermi source 0FGL J1814.3-1739. PSR J1813-1749 is clearly one of the most energetic pulsars in the Galaxy, but its spin-down power is poorly measured. We need a brief follow-up observation to measure the all-important period derivative, critical to determining the energetics, dipole magnetic field strength, and spin-down age. This will allow us to infer the efficiency of emission in all high-energy wavebands from X-ray through TeV, and to search for GeV pulsations with Fermi. We can also constrain the age of the SNR and the birth period of the pulsar, important for modeling the radiation and evolution of the system.

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