Paper:	The Mid-IR Emission Structure of IRAS 16594-4656
Volume:	313, Asymmetrical Planetary Nebulae III
Page:	367
Authors:	Garcia-Hernandez, D.A.; Manchado, A.; Garcia-Lario, P.; Benitez Canete, A.; Acosta-Pulido, J.A.; Perez Garcia, A.M.
Abstract:	We report TIMMI2 diffraction-limited mid-IR images of the multipolar PPN IRAS 16594-4656. By using the Lucy-Richardson deconvolution algorithm we recover a two-peaked morphology in the innermost region at 8.6 μm and 11.5 μm. We interpret the observed mid-IR structure as the detection of the two limb-brightened peaks indicating the presence of a dusty toroidal structure in IRAS 16594-4656. We find that the supposed biconical openings of the dust torus are in good agreement with one of the bipolar outflows identified in the HST optical images.

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