Fig. 7
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Comparison of observed and modelled radial brightness profiles. Left: Our procedure to correct the modelled Uranus brightness profile for the transmission of BG IPH, with the example of Voyager 2 model and 1998 observing conditions. Right: 1998 and 2011 data average radial Lyα profiles compared with modelled radial profiles with Voyager 2 and Moses atmospheric profiles. For the two HST observations, the average on-disk brightnesses are 860 ± 6 and 725 ± 9 R, respectively. We note that all the modelled profiles are corrected for the BG IPH transmission.
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