Carbon and oxygen isotopic ratios in Arcturus and Aldebaran - Constraining the parameters for non-convective mixing on the red giant branch

C. Abia; S. Palmerini; M. Busso; S. Cristallo

doi:10.1051/0004-6361/201220148

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Volume 548 (December 2012)

A&A, 548 (2012) A55

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Fig. 2

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As Fig. 1 for Aldebaran (filled circles) in another spectral region. Dotted line: ¹²C/¹³C = 10 and ¹⁷O/¹⁶O = ¹⁸O/¹⁶O = 0; continuous line: the same ¹²C/¹³C with ¹⁷O/¹⁶O = 1670, ¹⁸O/¹⁶O = 666. Note again the difficulty to fit the cores of the strongest CO lines (see text). Some of the C¹⁷O and C¹⁸O lines used are marked.

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