Thermal Emission from Isolated Neutron Stars and their Surface Magnetic Field: Going Quadrupolar ?

Details Thermal Emission from Isolated Neutron Stars and their Surface Magnetic Field: Going Quadrupolar ? Thermal Emission from Isolated Neutron Stars and their Surface Magnetic Field: Going Quadrupolar ?

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004head....8.3902z&link_type=abstract

American Astronomical Society, HEAD meeting #8, #39.02; Bulletin of the American Astronomical Society, Vol. 36, p.1204

Astronomy and Astrophysics

Astronomy

Scientific paper

In the last few years considerable observational resources have been devoted to study the thermal emission from isolated neutron stars. In particular, high resolution lightcurves revealed a number of features in the X-ray pulse profile, like asymmetry, energy dependence, and possible evolution of the pulse profile over a time scale of months or years. These characteristics can be explained by a patchy surface temperature distribution, as expected if the magnetic field has a complex structure, in which higher order multipoles contribute together with the dipole. I will reconsider these effects from a theoretical point of view, and discuss their implications to the observational properties of some thermally emitting neutron stars.

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