Image Details
Caption: Figure 16.
Correlation of the g − r (top panel, ﹩{\rm{\Delta }}{t}_{g-r}﹩), g − i (middle panel, ﹩{\rm{\Delta }}{t}_{g-i}﹩), and g − z (bottom panel, ﹩{\rm{\Delta }}{t}_{g-z}﹩) lags with the ratio between the equivalent widths of ultraviolet Fe II and Mg II lines. Each data point is color coded with the bolometric luminosity.
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