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Table 1

Spectral regions masked in the fit.

[O II]3727 [O III]5007 [O I]6302
Emission Hϵ Hδ Hγ Hβ Hα
lines HeI5877
[Ne III]3868 [N II]6584 [S II]6712

α-element [CN1-CN2] Ca4227 G4300
dependent Mg1 Mg2 Mgb
lines Fe4383 Fe5335

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