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High resolution images at 11 and 20 microns of the Active Galactic Nucleus in NGC 1068 | | D. Alloin
; E. Pantin
; P.O. Lagage
; | | Date: |
8 Aug 2000 | | Subject: | astro-ph | | Abstract: | We present diffraction-limited IR images at 11.2 and 20.5 microns of the central 6’’x6’’ region in NGC 1068, collected with the CAMIRAS instrument mounted at the f/36 IR focus of the CFHT/Hawaii 3.6m telescope and at the f/35 IR focus of the ESO/La Silla 3.6m telescope, respectively. After deconvolution, the achieved resolution (0.6’’) reveals a prominent central core emitting about 95 % of the total flux at these wavelengths, as well as extended emission, to the South-West and to the North-East, broken into patchy components which are particularly conspicuous at 20.5 microns and can be isolated as individual clouds. The central core shows an East-West FWHM of 0.6’’ (hence unresolved) and a North-South FWHM of 0.9’’ corresponding to a resolved full size extension of abound 100 pc. Such an elongated shape is in agreement with model predictions of a dusty/molecular torus surrounding the central engine in NGC 1068, observed under an inclination angle around 65 degrees. | | Source: | arXiv, astro-ph/0008128 | | Services: | Forum | Review | PDF | Favorites | |
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