Same as Fig. 6, for the 43.2 GHz to 86.2 GHz spectral index distributions overlaid with 43.2 GHz total intensity contours. Images at the two observing frequencies were convolved with a restoring beam with FWHM = 0.17 × 0.123 mas and PA = − 14.85°. The first map was built with data at 43.2 GHz and 86.2 GHz taken during 2006.37 and 2006.43, the second with data taken during 2008.50 and 2008.43, and the last during 2009.04 and 2009.43.
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