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Fig. 7
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Photoelectric efficiency ϵPAH computed for NC = 54, Teff = 30 000 K, and T = 100 and 1000 K with the PAH heating model. For comparison, we give the photoelectric efficiency ϵΓ computed by WDOl for grains with a size a = 4.9 A equivalent to NC = 54 (Eq. (C.2)), and the heating efficiency for PAHs given in Tielens (2021).
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