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Preprint 09/09


NLTE Model Atmospheres for Super-Soft X-ray Sources

T. Rauch, K. Werner

Institute for Astronomy and Astrophysics,
Kepler Center for Astro and Particle Physics,
Eberhard Karls University,
72076 Tübingen,
Germany

AIP Conf. Ser. 1171 (2009), 85

Abstract. Spectral analysis by means of fully line-blanketed Non-LTE model atmospheres has arrived at a high level of sophistication. The Tübingen NLTE Model Atmosphere Package TMAP is used to calculate plane-parallel NLTE model atmospheres which are in radiative and hydrostatic equilibrium.
Although TMAP is not especially designed for the calculation of burst spectra of novae, spectral energy distributions (SEDs) calculated from TMAP models are well suited e.g. for abundance determinations of Super Soft X-ray Sources like nova V4743 Sgr or line identifications in observations of neutron stars with low magnetic fields in low-mass X-ray binaries (LMXBs) like EXO 0748-676.
 
Key words: Space-based ultraviolet telescopes -- Stellar atmospheres -- Abundances, chemical composition -- White dwarfs, nuclei of planetary nebulae

Preprint (132 kb PDF file including figures)


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