Fig. 6
Examples of the time variability observed for the Ti II 4468 Å line (left, blue), the Fe II 4923 Å line (middle, green), and the Fe II 5316 Å line (right, red). In each case, the 8 subfigures display the individual spectra as they were obtained in time. The dotted lines indicate the continuum level and the radial velocity of the source.
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