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Fig. 5
Li I 6708 Å line, the only one that still appears in absorption during the outburst phase. Colors mark the observations at different dates (red for 2008 April 21, green for 2008 May 5, blue for 2008 May 6, cyan for 2008 May 8, orange for 2008 June 16, and black for the scaled spectrum in quiescence).
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