Obscuration effects in super-soft-source X-ray spectra
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2013
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Astronomy and Astrophysics
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Context. Super-soft-source (SSS) X-ray spectra are blackbody-like spectra with effective temperatures ~3−7 × 105 K and luminosities of 1035−38 erg s-1. Grating spectra of SSS and novae in outburst that show SSS type spectra display atmospheric absorption lines. Radiation transport atmosphere models can be used to derive physical parameters. Blue-shifted absorption lines suggest that hydrostatic equilibrium is an insufficient assumption, and more sophisticated models are required.
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Ness, J., Osborne, J.P., Henze, M., Dobrotka, A., Drake, J.J., Ribeiro, V.A.R.M., Starrfield, S. & Kuulkers, E. et al. 2013. Obscuration effects in super-soft-source X-ray spectra. Astronomy and Astrophysics. 559(4):A50 - 177. http://hdl.handle.net/11427/35099