Program: GN-2009B-Q-61
| Title: | Mid-IR Observations of the Seyfert galaxies NGC3227 and Mrk3 |
| PI: | Miriani Pastoriza |
| Co-I(s): | Dinalva Sales, Claudia Winge, Alex Carciofi, Rogerio Riffel, Alberto Rodriguez-Ardila |
Abstract
We propose to use the Gemini Mid-IR spatial resolution to obtain unique Michelle LowN long-slit spectroscopy of the galaxies NGC3227 and Mrk3 to study the nature and distribution of the dust material associated with the inner regions of the objects, in order to isolate the AGN emission from the host galaxy contamination. The selected objects are near enough to obtain, for the first time, Mid-IR 2D spectra with spatial resolution to closest target 30 pc and enough off-nucleus signal to allow for a proper evaluation of the host galaxy contribution in the central region. The AGN uncontaminated Mid-IR 2D spectra will be compared with new theoretical spectral energy distribution (SED) of torus models obtained with the radiative transfer code, HDUST, that will help to underestand physical and chemical properties of the torus required by the AGN unified models, such as: geometry, size, distribution and characteristics of the dust grains.
Publications using this program's data
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[data]
[ADS] Nuclear obscuration in LINERs. Clues from Spitzer/IRS spectra on the Compton thickness and the existence of the dusty torus
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[data]
[ADS] On the origin of X-ray oxygen emission lines in obscured AGN
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[data]
[ADS] The subarcsecond mid-infrared view of local active galactic nuclei - I. The N- and Q-band imaging atlas
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[data]
[ADS] High spatial resolution of the mid-infrared emission of the Compton-thick type 2 Seyfert galaxy, Markarian 3
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[data]
[ADS] A mid-infrared statistical investigation of clumpy torus model predictions
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[data]
[ADS] Active Galactic Nucleus Ghosts: A Systematic Search for Faded Nuclei