AXPs and X-ray dim neutron stars: Recent XMM-Newton and Chandra results

Details AXPs and X-ray dim neutron stars: Recent XMM-Newton and Chandra results AXPs and X-ray dim neutron stars: Recent XMM-Newton and Chandra results

2003-02-26

arxiv.org/abs/astro-ph/0302540v1

Astronomy and Astrophysics

Astrophysics

COSPAR Symposium on High Energy Studies of Supernova Remnants and Neutron Stars, Houston, Oct. 2002

Scientific paper

10.1016/j.asr.2003.07.022

To date more than half a dozen X-ray dim isolated neutron stars are known. Their X-ray spectra are characterized by soft blackbody-like emission (kT about 50-120 eV) without indication for harder, non-thermal components. These stars apparently show no radio emission and no association with supernova remnants. Four of them exhibit pulsations in their X-ray flux with periods in the range of 8.39 s to 22.7 s. Similar pulse periods were found from AXPs, maybe suggesting evolutionary connections. In this talk I will review the recent observational results from X-ray dim isolated neutron obtained by the major X-ray observatories XMM-Newton and Chandra. Spectral and temporal characteristics, inferred luminosities and magnetic field strengths will be compared with those of AXPs.

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