Fig. 2
Normalised and rectified, rms(squared)-weighted average spectra of the (top left) 5780 and (top right) 5797 Å DIBs in the UVES sample and (bottom) 6614 Å DIB in the Medusa sample; with overplotted Gaussian profiles fit to the individual spectra. Spectra were included only if reasonable fits could be obtained (see Appendix A).
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