Coronagraphic observations of fomalhaut at solar system scales
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Date
2013-02-10
Publication Type
Journal Article
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yes
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Abstract
We report on a search for low mass companions within 10 AU of the star Fomalhaut, using narrowband observations at 4.05 μm obtained with the Apodizing Phase Plate coronagraph on the VLT/NaCo. Our observations place a model-dependent upper mass limit of 12-20 M jup from 4 to 10 AU, covering the semimajor axis search space between interferometric imaging measurements and other direct imaging non-detections. These observations rule out models where the large semimajor axis for the putative candidate companion Fomalhaut b is explained by dynamical scattering from a more massive companion in the inner stellar system, where such giant planets are thought to form. © 2013. The American Astronomical Society. All rights reserved.
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published
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Volume
764 (1)
Pages / Article No.
7
Publisher
IOP Publishing
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Subject
Instrumentation: high angular resolution; Planetary systems; Planets and satellites: detection; Stars: individual (Fomalhaut); Techniques: high angular resolution
Organisational unit
03829 - Meyer, Michael R. (ehemalig)
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