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Fig. 4


Variation of the flux of dust collected between 25 and 30 km from the comet center with respect to the distance of the Sun. The data are averaged on distance bins of 0.1 AU, the vertical error bars give the standard deviation of the fluxes in each bin. The lines represent the models from the literature: black solid line: from Kelley et al. (2009); gray solid line: from Agarwal et al. (2007), and black dashed line: from Ishiguro (2008). The large dust flux at ~2.5 AU corresponds to the collection of a high amount of cometary material within a single day and originating from one large particle.

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