Fig. 5

Correlated fluxes (Fcor, left ordinate) or
visibilities (, right
ordinate) of the Circinus galaxy at 12 μm as a function of the projected
baseline length BL
(bottom axis) or spatial frequency (top axis). The data are colour-coded with the
position angle (see compass on the top right). Overplotted by two thick continuous
lines are the correlated fluxes of the three-component model discussed in Sect.
4. The correlated fluxes of the model are
along (violet) and (dark blue). Note that the errors in the measurements
with UT baselines (BL > 30 m) are smaller than the plot
symbol and that the model does not fully reproduce the total flux (plotted at
BL = 0 m) for
λ > 11.5 μm
(see Sect. 5.3).
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