Abstract
Wolf-Rayet type spectra of central stars are compared with spectra from Pop. I objects. Non-LTE models for expanding atmospheres are applied for analyzing these spectra quantitatively.
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Hamann, WR. Spectral analysis and model atmospheres of WR type central stars. Astrophys Space Sci 238, 31–42 (1996). https://doi.org/10.1007/BF00645489
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DOI: https://doi.org/10.1007/BF00645489