Early phases of different types of isolated neutron star

Abstract

Two Galactic isolated strong X-ray pulsars seem to be in the densest environments compared to other types of Galactic pulsar. X-ray pulsar J1846-0258 can be in an early phase of anomalous X-ray pulsars and soft gamma repeaters if its average braking index is ~1.8-2.0. X-ray pulsar J1811-1925 must have a very large average braking index (n~11) if this pulsar was formed by SN 386AD. This X-ray pulsar can be in an early phase of evolution of the radio pulsars located in the region P~50-150 ms and P~10${}^{-14}-10^{-16}$ s/s of the P-P diagram. X-ray/radio pulsar J0540-69 seems to be evolving in the direction to the dim isolated thermal neutron star region on the P-P diagram. Possible progenitors of different types of neutron star are also discussed.

arXiv commentto appear in the International Journal of Modern Physics D

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Cited by in corpus (1)

• Possible evolution of dim radio quiet neutron star 1E 1207.4-5209 based on a B-decay model