Fig. 2

Maps of the S255 NIRS 3 region at centimetre wavelengths obtained with the VLA on July 10 (left panels) and August 1 (right panels), 2016. The offsets are computed with respect to the phase centre of the observations, i.e. 06h 12m 54. s02, 17°59′23.′′1. The corresponding synthesized beams are shown at the bottom right of each panel. The values of the contour levels are marked in the colour scales to the right, and in all cases the lowest contour is >4σ. We note thebrightening of NIRS 3 at all frequencies.
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