Fig. 11
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Profile comparison between the 6203 and 6302 Å DIBs for the six best-matching sight lines. The high noise in the 6302 Å DIB region is caused by the correction for two strong telluric O2 absorption lines. Over-correction of the telluric line cores can lead to emission features in the 6302 Å DIB and severely affect the EW measurement.
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