Fig. 3
Azimuthally averaged FUV–NUV colour profile of NGC 7252. The 12′′ (3.8 kpc) region at the centre of the galaxy been averaged in colour in concentric annuli of width 1′′. The profile shows negative gradient (i.e. an outward change from red to blue colours) out to ~ 4′′, and then a steady reddening of the galaxy from 4′′ to 12′′. The FUV–NUV colour values and the corresponding age estimates are shown on the left and right axes, respectively.
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