Model X-ray spectra of magnetic neutron stars with hydrogen atmospheres


Ho, Wynn C.G., Potekhin, Alexander Y. and Chabrier, Gilles (2008) Model X-ray spectra of magnetic neutron stars with hydrogen atmospheres. Astrophysical Journal Supplement Series, 178, (1), 102-109. (doi:10.1086/589238).

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Description/Abstract

We construct partially ionized hydrogen atmosphere models for magnetized neutron stars in radiative equilibrium with fixed surface fields between B = 1012 and 2 × 1013 G and effective temperatures log Teff = 5.5–6.8, as well as with surface B and Teff distributions around these values. The models are based on the latest equation of state and opacity results for magnetized partially ionized hydrogen plasmas. The atmospheres directly determine the characteristics of thermal emission from the surface of neutron stars. We also incorporate these model spectra into XSPEC, under the model name NSMAX, thus allowing them to be used by the community to fit X-ray observations of neutron stars.

Item Type: Article
ISSNs: 0067-0049 (print)
1538-4365 (electronic)
Keywords: radiative transfer, stars, atmospheres, stars, magnetic fields, stars, neutron, x-rays, stars
Subjects: Q Science > QA Mathematics
Q Science > QB Astronomy
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics
ePrint ID: 182215
Date Deposited: 27 Apr 2011 10:27
Last Modified: 27 Mar 2014 19:35
URI: http://eprints.soton.ac.uk/id/eprint/182215

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