XMM-Newton Proposal 02049702

Details XMM-Newton Proposal 02049702 XMM-Newton Proposal 02049702

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..264s&link_type=abstract

XMM-Newton Proposal ID #02049702

Statistics

Cxouj185238.6+00402, Cxouj185238.6+00402, Xmm-Newton Proposal 02049702

Scientific paper

We have made a tentative discovery of pulsations from an X-ray source at the center of the Galactic supernova remnant Kes 79. A pointed ROSAT PSPC observation indicates a coherent period with marginal significance, limited only by counting statistics. We propose an EPIC-pn observation to confirm this detection and to obtain a second epoch pulse measurement to determine its spin-down rate. This will allow critical pulsar parameters to be estimated. If the ROSAT period is not confirmed, the request 2 X 21 ks exposures, separated by a week, are sufficient to search independently for the pulsar period and its derivative. Identifying a pulsar at the center of Kes 79 and characterizing its unusual properties have important consequences for neutron star evolution.

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