Where are the RRATs in the Neutron Star Zoo?

Details Where are the RRATs in the Neutron Star Zoo? Where are the RRATs in the Neutron Star Zoo?

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..191m&link_type=abstract

XMM-Newton Proposal ID #05052401

Physics

Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, J1819-1458, Xmm-Newton Proposal 05052401

Scientific paper

RRAT J1819-1458 is a radio-bursting neutron star with a high magnetic field. The X-ray spectrum detected by Chandra and XMM-Newton is thermal, fit well by a blackbody with kT ~ 0.1 keV with a possible excess at high energies. The emitting area is consistent with the whole surface of the star. XMM AO5 observations reveal a 10 sigma sinusoidal pulsation with 30% pulsed fraction. We request 94~ks on J1819-1458 with aims to: i) perform pulse phase-resolved spectroscopy, which will allow us to disentangle the emission substructure and map the magnetic and thermal surface and ii) search for spectral absorption features, which will provide an independent magnetic field estimate. This will probe the unusual properties of the RRATs in a way not possible with radio observations.

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