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Spatially-resolved mid-infrared spectroscopy of NGC 1068: the nature and distribution of the nuclear material
R. E. Mason, T. R. Geballe, C. Packham +4
We present spatially-resolved, near-diffraction-limited 10 micron spectra of the nucleus of the Seyfert 2 galaxy NGC 1068, obtained with Michelle, the mid-IR imager and spectromete…
IR Emission from AGNs
Moshe Elitzur
Unified schemes of active galactic nuclei (AGN) require an obscuring dusty torus around the central engine. Torus sizes of hundreds of parsecs were deduced from early theoretical m…
A compact starburst ring traced by clumpy OH megamaser emission
R. Parra, J. E. Conway, M. Elitzur +1
We model the OH megamaser emission from the luminous infrared galaxy IIIZw35 as arising from a narrow rotating starburst ring of radius 22 pc enclosing a mass of 7 x 10^6 Msun. We…
Near infrared and the inner regions of protoplanetary disks
Dejan Vinkovic, Zeljko Ivezic, Tomislav Jurkic +1
We examine the ``puffed-up inner disk'' model (Dullemond, Dominik & Natta 2001), proposed for explaining the near-IR excess radiation from Herbig Ae/Be stars. Detailed model comput…
W Hya through the eye of Odin Satellite observations of circumstellar submillimetre HO line emission
K. Justtanont, P. Bergman, B. Larsson +10
We present Odin observations of the AGB star W Hya in the ground-state transition of ortho-H2O, 1(10)-1(01), at 557GHz. The line is clearly of circumstellar origin. Radiative trans…