The edge of the Milky Way’s star-forming disc: Evidence from a ’U-shaped’ stellar age profile

Open Access

Fig. 6

Column-normalised stellar age distribution of the models. The red and green marker points show the mean and median stellar age profiles, respectively. The solid cyan line shows the final age profile, τ_⋆, resulting from the ML fitting. The black point shows the position and associated uncertainty of R_min as determined by $τ_{⋆}^{'} = 0$ $Mathematical equation: $\[\tau_{\star}^{\prime}=0\]$$ .

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