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Fig. 4

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Best fit (continuous curve) of the 3515.8-3518.5 Å range in the intensity spectrum of the solar disk center (Delbouille et al. 1973, open circles). The dotted curve shows the synthetic spectrum without the contribution of the Pd I 3516 Å line. The dash-dotted line shows the local continuum level we adopted for Pd I 3516 Å to derive the element abundance listed in Table 1.

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