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

Record type: Article

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.

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Citation

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

More information

Published date: September 2008
Keywords: radiative transfer, stars, atmospheres, magnetic fields, neutron, x-rays

Identifiers

Local EPrints ID: 182215
URI: http://eprints.soton.ac.uk/id/eprint/182215
ISSN: 0067-0049
PURE UUID: b0727a46-69c0-4a73-8790-b68de650278b
ORCID for Wynn C.G. Ho: ORCID iD orcid.org/0000-0002-6089-6836

Catalogue record

Date deposited: 27 Apr 2011 10:27
Last modified: 18 Jul 2017 11:57

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Contributors

Author: Wynn C.G. Ho ORCID iD
Author: Alexander Y. Potekhin
Author: Gilles Chabrier

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