Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21360302k&link_type=abstract
American Astronomical Society, AAS Meeting #213, #603.02
Astronomy and Astrophysics
Astronomy
Scientific paper
The discovery of millisecond pulsations from neutron stars in low mass X-ray binaries (LMXBs) has substantiated the theoretical prediction that links millisecond radio pulsars (MSRPs) and LMXBs. Since then, the recycling process that produces MSRPs on a spin-up region from LMXBs, followed by spin-down due to dipole radiation has been conceived as the "standard evolution” of millisecond pulsars. However, the question whether all observed MSRPs could be produced within this framework has not been quantitatively addressed until now.
The standard evolutionary process produces millisecond pulsars with periods (P) and spin-downs (Pdot) that are not entirely independent. The possible P-Pdot values that MSRPs can attain are jointly constrained. In order to test whether the observed MSRPs are the unequivocal descendants of millisecond X-ray pulsars (MSXPs), we have produced the "predictive joint” P-Pdot distribution of MSRPs for the standard model. We will elaborate on the ramifications of the P-Pdot distribution to millisecond pulsar evolution.
Kiziltan Bulent
Thorsett Stephen. E.
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