Logarithmic line ratios of H2(1−0)S(1) over Brγ and [Fe ii] over Brγ in a) and b). Panel c): logarithmic H2(1−0)S(1) over He i ratio. Panels d), e), f): H2(2−1)S(1) over H2(1−0)S(1), H2(1−0)S(2) over H2(1−0)S(0) and H2(1−0)S(3) over H2(1−0)S(1).
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