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Table A.3

Lick indices (λ ≥ 4531 Å; first line) measured in the summed spectrum of RC stars in BH176 and in the MILES medium-resolution spectrum of HD 184406 with uncertainties (second line indicated by the “±” sign) determined from bootstrapping of the object spectrum.

ID Fe 4531 Fe 4668 Hβ Fe5015 Mg1 Mg2 Mgb Fe 5270 Fe 5335 Fe 5406
(S/N) (Å) (Å) (Å) (Å) (mag) (mag) (Å) (Å) (Å) (Å)

RC in BH176 3.67 8.98 1.13 7.06 0.129 0.270 3.73 4.08 3.75 2.69
± 0.01 0.17 0.07 0.23 0.002 0.003 0.07 0.08 0.08 0.04
HD 184406 3.70 8.71 1.12 7.12 0.146 0.283 3.57 4.12 3.73 2.69
± 0.11 0.17 0.03 0.23 0.002 0.003 0.07 0.08 0.09 0.04

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