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Fig. 9


Comparative line profile variations of [O I] 6300 Å (top), [N II] 5754 Å (second), [O III] 4363 Å (third), and Na I 5889 Å (bottom) from the NOT sequence for JD 55  288 (left column), JD 55  334 (middle column), and JD 55  350 (right column). The separation of chromospheric, circumstellar, and shock emission is evident in the sequence (see text).

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