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Fig. I.1.

Fig. I.1. Refer to the following caption and surrounding text.

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Sgr A* ALMA light curves of Stokes I, the polarized intensity, the EVPA, and Stokes V (from top to bottom) for the four spectral bands, for all three days (from left to right, 2017 April 6, 7, and 11). Stokes V light curves are tentative, as the detected levels fall below ALMA’s guaranteed CP accuracy.

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