The Mid-IR Emission Structure of IRAS 16594-4656

Details The Mid-IR Emission Structure of IRAS 16594-4656 The Mid-IR Emission Structure of IRAS 16594-4656

2004-02-03

arxiv.org/abs/astro-ph/0402064v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, to appear in the conference proceedings of the Asymmetric Planetary Nebulae III. Winds, Structure, & the T

Scientific paper

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 and 11.5 microns. 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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