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Fig. 6.

image

MaNGA spectrum of the HII region around the Hβ (left) and [O III] (right) lines, with the result from the spectral fit (blue and green dashed lines) fixing the kinematics to those found in Hα. In the left panel we also show the expected Hβ profile for a case with no extinction (light red) and one with AV ∼ 1.2 (dark red), indicating that a moderate extinction could prevent the detection of the broad component in Hβ.

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