Fig. A.1
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Dereddened spectrum (c=0.10) of the central star (CS) of NGC 4361 is shown at the top, together with a black body fit (T = 89 000 K, in red) and a Rauch (2003) model atmosphere for Teff 80 000 K, log g = 5.5 and H:He = 0.9:0.1 in green. Bottom panel shows details of the matches of the BB fit and the model atmosphere match for Hβ (left), He II 5412 Å (middle) and Hα (right).
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