Fig. 8

Luminosity density contours (in black) for SA2 equal to 2 × 106, 4 × 106, 7 × 106, 1.5 × 107, and 2 × 107 L⊙ kpc-2. The white cross marks the galaxy at the centre of the strong-lensing system. The black vertical line on the left is 1 Mpc long. SA2 is at z = 0.48. The stamp in the top-right corner shows a 30′′ × 30′′ colour image of the system.
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