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Fig. 2.
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Optical image from Gemini (Ramos Almeida et al. 2011). The contours of the CO(3-2) emission are overplotted. Tails are seen toward nearby galaxies (projected distances ∼10 kpc). The galaxies labelled C1, C2, and C3 (outside the figure) are confirmed to have redshifts similar to that of PKS 0023−26 (Tadhunter et al. 2011).
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