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Fig. 4


8.7 μm images of L2 Pup and two PSF reference stars extracted from the MIDI acquisition data. In all panels, North is up and East is to the left. a) L2 Pup with a minimum intensity of 0.1% of the central peak. b) L2 Pup with a minimum intensity of 2% of the central peak to compare with the 11.7 μm image obtained by Jura et al. (2002). c) PSF reference star ε Cru. The large arcs near the top and the bottom of the image are the residual of the background subtraction. d) PSF reference star S Ori.

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