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Fig. 1
Blackwell diagrams (from left to right) for HD 57 608, HD 186 122, HD 179 761 and HD 222 173. Shown are lines for Fe iiλλ 4541, 4555, 4576, 4583, 5018 and sometimes 6120 and/or 6129. Each panel spans 1.0 dex.
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