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Fig. 2


SFPR images at 43 GHz. The axes, given in mas, correspond to the RA and Dec offsets with respect to the peaks at 14.4 GHz. Contours are logarithmically spaced between 5σ and the source peak. The label XX-YY indicates source YY phase-referenced to the calibrator XX. The red crosses indicate the expected peak positions of sources 18, 19 and 20, assuming that their compact optically-thin jet components (as well as those of their calibrators) are co-spatial at 14.4 and 43.1 GHz.

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