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Fig. 5.


Fit of the profile of the Ba lines. The abscissa is the wavelength in nm. The blue lines show the synthetic spectrum computed with A(Ba) = −2.4 and A(Ba) = −1.2. The red line is the best fit obtained with A(Ba) = −1.66 for the line at 493.4 nm, A(Ba) = −1.58 for the line at 614.1 nm, and −1.31 for the line at 649.6 nm.

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