Fig. 1
U Sco X-Shooter spectra: Mar. 15 in blue, Apr. 11 in black and May 12 in red. In the inset: a portion of the same spectra (UVB+VIS) showing the nebular forbidden transitions. The spectra in the inset have been normalized to unity and offset vertically for clarity. They are sorted in order of their nebular line intensity for clarity. The displayed spectra have been median-filtered.
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