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Fig. 8.

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Milky Way twin candidates according to the weak criteria. Panel a: central oxygen abundance versus abundance at the optical radius diagram. The grey points are individual MaNGA galaxies, and the goldenrod pints denote the nearby galaxies. The galaxies with Δ(O/H)0 ≤ 0.15 dex and Δ(O/H)R25 ≤ 0.15 dex (eMWAs) are marked with the red crosses. The eMWAs with ΔR25 ≤ 0.114 dex, ΔM ≤ 0.3 dex, and ΔVrot ≤ 0.079 dex (Milky Way twin candidates) are marked with the blue plus signs. The green circle denotes the Milky Way. Panel b: optical radius versus stellar mass diagram. The notations are the same as in panel a. Panel c: optical radius versus rotation velocity diagram. The notations are the same as in panel a.

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