Fig. 1.
HST ACS/WFC images of PKS 0023–26 (top) and PKS 1306–09 (bottom). Left-hand panels: narrow-band [O III] images, right-hand panels: intermediate-band continuum images. In each case, the dashed line shows the direction of the radio axis. We note that in both cases, the brightest extended [O III] structures are closely aligned in angle with the radio axes (within ∼10°).
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