Model atmospheres and X-ray spectra of bursting neutron stars

Details Model atmospheres and X-ray spectra of bursting neutron stars Model atmospheres and X-ray spectra of bursting neutron stars

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...376..161m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 376, July 20, 1991, p. 161-176. Research supported by Ministry of Education

Statistics

Computation

39

Neutron Stars, Radiative Transfer, Stellar Atmospheres, X Ray Sources, X Ray Spectra, Atmospheric Models, Compton Effect, Computational Astrophysics, Limb Darkening, Numerical Analysis, X Ray Astronomy

Scientific paper

Model atmosphere equations are derived which correspond to plane-parallel nongray atmospheres of very hot neutron stars in hydrostatic and radiative equilibrium. The nonlinear transfer equation used implements an exact photon redistribution function which precisely traces even those scattering events having large photon-electron energy exchange. The numerical results thus obtained encompass tables of the surface fluxes for 20 model atmospheres whose T(eff) ranges from 6 to 30 million K. The spectra of high gravity models are virtually identical with the blackbody spectrum shifted toward higher energies, while models approaching the Eddington limit develop a large low-energy hump.

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