First Epoch Proper Motion Studies of Young Neutron Stars in Supernova Remnants

Physics

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Chandra Proposal Id #05500003

Scientific paper

The initial period distribution of pulsars provides vital insight into the processes taking place during the core collapse of a massive star. Proper motion measurements of young pulsars in supernova remnants provide reasonably robust estimates of pulsar ages which, combined with pulsar spin parameters, allow us to estimate these sources' initial spin periods. As part of a multi-wavelength program to build up the initial period distribution of pulsars, we here propose first-epoch observations of two young pulsars in SNRs using Chandra HRC. Subsequent observations five years hence will yield the motion of these sources and hence their ages and initial periods. These HRC images will provide no spectral information, and so are not in conflict with any ACIS observations of these same sources.

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