Quantitative spectroscopy of extreme helium stars Model atmospheres and a non-LTE abundance analysis of BD+10°2179
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DOI: 10.1093/mnras/stx1541
Abstract: Extreme helium stars (EHe stars) are hydrogen-deficient supergiants of spectral type A and B. They are believed to result from mergers in double degenerate systems. In this paper, we present a detailed quantitative non-LTE spectral… read more here.
Keywords: non lte; analysis 2179; spectroscopy; extreme helium ... See more keywords