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Fig. 2


Dip depths in a band centered on λm vs. the dip depths at λn for three independent combinations of our four wavebands. The straight lines are χ2 fits to a function of the form λm = smnλn. The upper and lower panels are for the data acquired on 2016 January 18 and 20, respectively.

This figure is made of several images, please see below:

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