Visibility amplitudes of V883 Ori (similar to Fig. 7). We scaled the observed amplitudes at frequencies higher than 225 GHz to the expected amplitudes at this frequency, by assuming the spectral index α = 4.0. We overplot the integrated flux measured at the same frequency by ALMA with 11 kλ shortest uv distance, which were taken on December 12 of 2014 and April 05 of 2015 (Cieza et al. 2016). We assume a nominal 10% error bar for the presented ALMA measurement. There were ALMA observations taken with the more extended array configuration in August and October of 2015. We omit presenting measurements from the extended ALMA array observations since they observed quasars as absolute flux references, which are not ideal for the purpose of studying flux variability.
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