Atomic diffusion and mixing in old stars - V. A deeper look into the globular cluster NGC 6752

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Table 7

Average abundances and dispersions of Sc, Cr, Ni and Fe for the subsample of bRGB stars (T_eff< 5450 K).

	Sc^a	Cr^b	Fe^c	Ni^d
	LTE	LTE	NLTE	LTE


log ε	1.52	3.88	5.83	4.48
σ(log ε)	0.05	0.05	0.03	0.03

Notes.The dispersion refers to the weighted standard deviation around the mean.

^(a)

Based on Sc II λλ5527, and 5658.

^(b)

Based on Cr I λλ5206–5208.

^(c)

Based on Fe II lines λλ5146, 5169, 5197, 5234, 5264, 5276, 5284, and 5316.

^(d)

Based on Ni I λλ5146, 5155, 5477, 6643, and 6768.

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