Unveiling the nature of HE 0107–5240: a long period binary CEMP-no star with [Fe/H] of –5.56

Open Access

Fig. 5

Beryllium abundance in HE 0107−5240 (red symbol) compared to Galactic behaviour data from Boesgaard et al. (2011, black symbols) and Smiljanic et al. (2009, blue symbols), as well as the upper limits for 2MASS J18082002–5104378 and BD+44 493 (Spite et al. 2019, green symbols).

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