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PSYM-WIDE: A Survey for Large-separation Planetary-mass Companions to Late Spectral Type Members of Young Moving Groups

Naud, Marie-Eve; Artigau, Etienne; Doyon, R; Malo, Lison; Gagne, Jonathan; Lafreniere, David; Wolf, Christian; Magnier, Eugene A


We present the results of a direct imaging survey for very large separation (>100 au), low-mass companions around 95 nearby young K5–L5 stars and brown dwarfs. They are high-likelihood candidates or confirmed members of the young (150 Myr) β Pictoris and AB Doradus moving groups (ABDMG) and the TW Hya, Tucana–Horologium, Columba, Carina, and Argus associations. Images in i¢ and z¢ filters were obtained with the Gemini Multi-Object Spectrograph (GMOS) on Gemini South to search for companions...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Astronomical Journal
DOI: 10.3847/1538-3881/aa826b


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