Fig. 4
The Lick indices, EW(Hβ), EW(Mg b) and ⟨ Fe ⟩ (defined as 0.5*(EW(5270 Å) + EW(5335 Å)), determined from the stellar continuum in each slitlet, are plotted as a function of the projected distance from the nucleus of NGC 5128, in arcsec (lower axis) and kpc (upper axis). Measurements for field F42 are shown in red and for field F56 in blue.
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