Logarithms of the emissivities of the [O ii] λ3727, [N ii] λ6584, [S ii] λ6716, λ6731, and [Ar iii] λ7135 lines for densities ne = 102, 103, 104 and 105 cm-3. Red: with the atomic data used in the present work. Blue: with the atomic data used in our previous work.
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