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Fig. 7


Representative spectra of DENIS1538−1038 observed on Apr. 19, 2017 and Jul. 17, 2018. The Hα, He I at 5876 Å and 6678 Å, Na I D1 (5895.9 Å) and D2 (5889.9 Å), and [O I] 6300 Å lines are indicated. Strong Hα emission that is significantly variable indicates sporadic accretion (see Sect. 3.5 for further details).

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