Fig. 1.
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Compilation of literature ages colour-coded by mass for HD 140283 (the result of this work is also given). The circles show age estimates, the squares give age ranges, and the arrows are upper and lower limits. The dashed line at 13.787 Gyr indicates the age of the Universe (Planck Collaboration VI 2020) and its uncertainty. A table of the references can be found appendix A.
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