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Fig. A.1.

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Departure coefficients bn, partial departure coefficients bnl, and amplification coefficients ßn,n+1 calculated by our model (current paper), Storey & Hummer (1995)(SH95), and Prozesky & Smits (2018) (PS18) are compared. The electron temperature Te is 104 K, and the electron number density is ne = 105 cm−3.
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