Computer Science
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009noao.prop..139p&link_type=abstract
NOAO Proposal ID #2009B-0139
Computer Science
Scientific paper
We propose to conduct a pioneering interferometric study in the near- infrared of a sample of nearby Seyfert galaxies to probe the size, morphology and relative flux contributions of the dust, stars and the central engine itself in the objects. The Keck Interferometer is currently the only NIR-long baseline interferometer in the world capable of spatially resolving linear scales of 50-500mpc/mas in a decent sample of AGN. Our proposed sample for 2009B builds on the previous KI fringe detection on NGC 4151, and very recent instrumental sensitivity upgrades, which now enable us to observe a complete AGN sample ranging from activity Type 1 to Type 2 AGN and several magnitudes in absolute brightness. In contrast to earlier feasibility studies, we propose here for the first time to probe and compare systematically the immediate surroundings of AGN at 2 um. The data will challenge the geometry based unification schemes and AGN accretion disk models in an unprecedented manner.
Elitzur Moshe
Malkan Matthew
Pott Jorg-Uwe
Schödel Rainer
Woillez Julien
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