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arXiv:astro-ph/0402064 (astro-ph)
[Submitted on 3 Feb 2004]

Title:The Mid-IR Emission Structure of IRAS 16594-4656

Authors:D. A. Garcia-Hernandez, A. Manchado, P. Garcia-Lario, Antonio Benitez Canete, J. A. Acosta-Pulido, A. M. Perez Garcia
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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 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.
Comments: 4 pages, 2 figures, to appear in the conference proceedings of the Asymmetric Planetary Nebulae III. Winds, Structure, & the Thunderbird (Eds. M. Meixner, J. Kastner, this http URL and B. Balick) held 28 July - 2 August, 2003. ASP Conference Series (in press)
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0402064
  (or arXiv:astro-ph/0402064v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0402064

Submission history

From: Domingo Anibal Garcia-Hernandez [view email]
[v1] Tue, 3 Feb 2004 09:29:54 UTC (80 KB)
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