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Fig. 3

image

Fits of our synthetic spectra to the observed GJ 15A (left panel) and GJ 15B (right panel) spectra with Ti isotopic ratios 50Ti, 49Ti, 48Ti, 47Ti, and 46Ti of 6.2, 7.9, 72.8, 5.2, and 7.9 and 6.0, 5.8, 76.6, 4.2, and 7.4, respectively, shown by blue lines. Observed spectra are shown by red lines, and fluxes computed for 48Ti O alone are shown by green lines. Downward arrows mark Fe I lines.

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