A simple model of cooling neutron stars with superfluid cores: comparison with observations

Details A simple model of cooling neutron stars with superfluid cores: comparison with observations A simple model of cooling neutron stars with superfluid cores: comparison with observations

1999-03-06

arxiv.org/abs/astro-ph/9903098v1

Astron.Lett. 25 (1999) 417

Astronomy and Astrophysics

Astrophysics

LaTeX, 14 pages, 10 figures, to appear in Astron. Lett

Scientific paper

Cooling of neutron stars (NSs) with superfluid cores is simulated taking into account neutrino emission produced by Cooper pairing of nucleons. The critical temperatures of neutron and proton superfluidities, $T_{cn}$ and $T_{cp}$, are assumed to be constant over the NS core, and treated as free parameters. They are constrained using the surface temperatures $T_s$ of isolated NSs (RX J0822-43, PSR 1055-52, 1E 1207-52, Vela, Geminga, PSR 0656+14, RX J0002+62), obtained by interpretation of observed thermal radiation either with black body spectrum or with hydrogen atmosphere models.

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