Stable, levitating, optically thin atmospheres of Eddington-luminosity neutron stars
Abramowicz, M.Note: Order does not necessarily reflect citation order of authors.
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CitationWielgus, M., W. Kluzniak, A. Sadowski, R. Narayan, and M. Abramowicz. 2015. “Stable, Levitating, Optically Thin Atmospheres of Eddington-Luminosity Neutron Stars.” Monthly Notices of the Royal Astronomical Society 454 (4) (October 20): 3766–3770. doi:10.1093/mnras/stv2191.
AbstractIn general relativity static gaseous atmospheres may be in hydrostatic balance in the absence of a supporting stellar surface, provided that the luminosity is close to the Eddington value. We construct analytic models of optically thin, spherically symmetric shells supported by the radiation pressure of a luminous central body in the Schwarzschild metric. Opacity is assumed to be dominated by Thomson scattering. The inner parts of the atmospheres, where the luminosity locally has supercritical values, are characterized by a density and pressure inversion. The atmospheres are convectively and Rayleigh-Taylor stable, and there is no outflow of gas.
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