Fig. 3.
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Top: Lorentzian fits of the newly appeared broad emission features in the September spectrum. The fitted data are the ones presented in Fig. 2. The centroid wavelength (in air) of various emission lines is indicated. Bottom: Residuals. Observational errors are indicated in transparent gray. The left column is for the Hβ emission line, while the right column shows the fits of the Hα feature.
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