Cooling neutron stars with localized protons

Details Cooling neutron stars with localized protons Cooling neutron stars with localized protons

2000-04-13

arxiv.org/abs/astro-ph/0004185v1

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, latex, uses aa.cls, to be published in Astronomy and Astrophysics

Scientific paper

We analyze cooling of neutron stars, assuming the presence of localized protons in the densest region of their cores. Choosing a single threshold density for proton localization and adjusting neutron star mass, we reproduce the observational data on effective surface temperatures of Vela and PSR 0656+14, with or without an accreted hydrogen envelope. However, the presence of a tiny hydrogen envelope is mandatory, in this model, for reproducing the Geminga data.

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