Image Details
Caption: Fig. 4.
Comparison of a pure helium DB model (red line; featureless UV region spectrum at bottom) with a pure carbon model (blue line) for ﹩\mathrm{log}\,g=8.0﹩ and ﹩T_{\mathrm{eff}\,}=22,000﹩ K. Note that ﹩\int H_{\nu }\, d\nu ﹩ is the same for both models (= ﹩\sigma T^{4}_{\mathrm{eff}\,}/ 4\pi ﹩).
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