Fig. 2.
VLBA 8.4 GHz details of all four multiple images from Biggs et al. (2004), map peaks for images A, C, and D: around 1.4 mJy beam−1, for image B: 0.39 mJy beam−1, contours: 0.000225 Jy beam−1 × (−1 1 2 4 8 16 32 64 128 256 512), amounting to multiples of 3σ where σ is the off-source rms noise in the map (90 μJy beam−1), beam FWHM: 1.2 × 0.7 mas2 at −21.6°.
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