Physics
Scientific paper
Apr 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xrrc.proce5.04b&link_type=abstract
"X-Ray and Radio Connections (eds. L.O. Sjouwerman and K.K Dyer) Published electronically by NRAO, http://www.aoc.nrao.edu/event
Physics
X-Ray, Radio, Pulsar Wind Nebulae
Scientific paper
The origin of the enormous momentum kicks imparted to pulsars at birth is one of the outstanding problems in core collapse physics. Recent advances in imaging the toroidal structures in pulsar wind nebulae with the Chandra X-ray Observatory and obtaining interferometric proper motions with the NRAO Very Long Baseline Array (VLBA) have made it possible to compare the linear and angular momentum vectors of several young pulsars. We describe here our Chandra imaging/VLBA astrometry campaign for two young pulsars in nearby supernova remnants: PSR J0538+2817 in S147 and PSR B1706-44 in G343.1-2.3. These objects are particularly interesting since apparent spin-velocity alignment and large initial spin periods allow a significant test of kick models. We show that the data should allow a comparison of the projected spin and kick axes at the 3 arcdeg level, comment on the implications for the pulsar/supernova remnant associations and discuss briefly the implications of such measurements for neutron star kick physics.
Brisken Walter Frank
Ng Cheuk-Yiu
Romani Roger W.
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