Open Access

Fig. 9

image

Relationship between the age determined assuming [NII]λ6583/Hα = 0.2 and A(Hα) = 0.7 (X-axis) and that assuming [NII]λ6583/Hα = 0.1 and A(Hα) = 0.0 (Y -axis). Filled dots indicates the H II regions where the SED fitting gives reduced , empty dots . The black solid lines show the 1:1 relations.

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