Barium isotopic ratios in metal-poor stars: Calibrating the method with globular clusters - I. Dwarf and giant stars in NGC 6752

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Table B.1

Ba resonance line at 4934 Å with isotopic and hyperfine structure splitting

Isotope	Wavelength [Å]	F_low	F_up	strength	log g f
¹³⁴Ba	4934.075			1	−0.172
	4934.047	1	1	0.0625	−1.376
¹³⁵Ba	4934.036	1	2	0.3125	−0.677
	4934.105	2	1	0.3125	−0.677
	4934.094	2	2	0.3125	−0.677
¹³⁶Ba	4934.076			1	−0.172
	4934.043	1	1	0.0625	−1.376
¹³⁷Ba	4934.031	1	2	0.3125	−0.677
	4934.109	2	1	0.3125	−0.677
	4934.097	2	2	0.3125	−0.677
¹³⁸Ba	4934.077			1	−0.172

Notes. F is the hyperfine interaction quantum number resulting from the coupling between the nucleus spin and the orbital angular momentum. The strength is relative to the isotope considered.

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