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Fig. 4

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The millimeter and the γ-ray flux evolution of the highly polarized quasar 0420-014 (PKS 0420-01). A strong millimeter flare is evident after almost two years of quasi-quiescent activity at mm wavelengths, accompanied by a rise in γ-rays. Although there is a general trend between the mm and gamma ray flux densities, the highest level of γ-ray emission was reached when the first mm flare was rising (flare phase = 0.5, see Table 1).

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