Browsing by Author "Dobrotka, A"

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    Obscuration effects in super-soft-source X-ray spectra
    (2013) Ness, J-U; Osborne, J P; Henze, M; Dobrotka, A; Drake, J J; Ribeiro, V A R M; Starrfield, S; Kuulkers, E; Behar, E; Hernanz, M; Schwarz, G; Page, K L; Beardmore, A P; Bode, M F
    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.