Pulsar Kicks and Spins

Details Pulsar Kicks and Spins Pulsar Kicks and Spins

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sgrb.confe..54r&link_type=abstract

Presented at the KITP Conference: Supernova and Gamma-Ray Burst Remnants, Feb 7, 2006, Kavli Institute for Theoretical Physics,

Physics

Scientific paper

Chandra X-ray imaging has shown that equatorial tori, often with polarjets, are very common in young pulsar wind nebulae (PWNe). We review howsimple models of these toroidal structures can provide(nearly) model-independent measurements of the neutron star spinorientation. Abetted by recent progress in measuring pulsar proper motionsand ininterpreting polarization observations, the PWN images give a set of youngpulsars for which we can compare the linear and spin angular momentumvectors. If preserved since core collapse, these vectors give an importantnew handle on kick dynamics and, less directly, core collapsephysics. Early modeling of the data set shows significant constraint on thepulsar initial spin and kick amplitude and timescale. We comment briefly onother kick constraints and onthe connection with core modeling.

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