Fig. 1 from A Constraint on Z⊙ from Fits of Isochrones to the Color‐Magnitude Diagram of M67

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A Constraint on Z_⊙ from Fits of Isochrones to the Color‐Magnitude Diagram of M67

Authors: Don A. VandenBerg, Bengt Gustafsson, Bengt Edvardsson, Kjell Eriksson, and Jason Ferguson

VandenBerg et al. 2007 The Astrophysical Journal Letters 666 L105.

Provider: AAS Journals

Caption: Fig. 1.

Grids of evolutionary tracks for the indicated values of Z and masses (in solar units). The sequences for 1.155 and 1.156 ℳ_⊙ (dashed curves) and for 1.195 and 1.196 ℳ_⊙ (solid curves) show how rapidly the morphology of the tracks changes near ﹩\mathstrut{\cal M} _{\mathrm{tr}\,}﹩ (see text). Although not plotted, both grids were extended down to 0.6 ℳ_⊙.

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