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Fig. 4


Position of HD 41641 (black dot) in a (log g–logTeff) diagram. The shaded box corresponds to the error bars obtained from the χ2 minimization. The ZAMS (black solid line), theoretical blue edge (blue dashed line), and empirical red edge (red dashed line) of the classical δ Sct instability strip were taken from Breger & Pamyatnykh (1998). Post-main-sequence evolutionary tracks (gray solid lines) are from Guenther & Brown (2004).

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