Open Access

Table B.1.

Spectral indices and colours of each reference integrated spectrum.

[Fe/H] -1.58 -1.58 -1.29 -1.29 -0.77 -0.77 -0.49 -0.49
Mixture 1P 2P 1P 2P 1P 2P 1P 2P
CN1 0.061 0.191 0.026 0.098 -0.037 -0.009 -0.049 -0.037
CN2 0.107 0.239 0.065 0.139 0.005 0.030 -0.010 0.003
Ca4227 2.802 1.776 2.223 1.884 1.099 0.426 0.828 0.758
G4300 6.933 6.528 6.397 5.630 3.770 3.831 3.458 2.886
Na D 1.724 3.311 1.094 2.025 0.492 1.066 0.403 0.758
Fe5270 2.849 2.810 2.254 2.276 1.350 1.352 1.098 1.112
OHblue 0.179 0.106 0.169 0.128 0.126 0.079 0.119 0.092
NHblue 0.081 0.214 0.037 0.175 0.052 0.178 0.046 0.148
CNblue 0.211 0.246 0.117 0.153 0.013 0.040 -0.008 0.005
CNblue 0.000 0.025 0.000 0.012 0.004 0.013 0.004 0.007
[MgFe] 0.471 0.477 0.565 0.406 0.885 0.874 0.881 0.935

(mF336W − mF438W) -0.251 -0.242 -0.289 -0.276 -0.124 -0.092 0.004 0.003
(mF438W − mF814W) 0.780 0.777 0.829 0.876 1.640 1.626 1.786 1.707
c(F275W,F336W,F438W) 0.376 0.347 0.412 0.397 0.651 0.522 0.636 0.494

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