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Fig. 7

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Left: transmission spectrum around Hα for the third night. The black line is the scaled and shifted stellar spectrum, the gray dots with gray error bars are the residuals of the division, and the red filled circles with red error bars are the data binned by 0.3 Å (here, the error bars are the standard deviation of each group of binned data points). Right: same as Fig. 6 but for Hα.

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