Fig. 6
Observed (solid lines) and computed (dashed lines) isophotes of the VLT image on 2008, September 4 at 2.29 AU pre-perihelion. Left panel: isotropic ejection; right panel: seasonal ejection. The innermost isophote corresponds to Af = 10-, the outer isophotes decrease by a factor 2 in Af. The Sun direction is along the −y axis; the north direction is in PA = 56° clockwise from +y, scale in 106 km.
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