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The CHARA array angular diameter of HR 8799 favors planetary masses for its imaged companions

Baines, Ellyn; White, Russel J; Huber, D; Jones, Jeremy; Boyajian, T. S; McAlister, H; ten Brummelaar, Theo; Turner, Nils; Sturmann, J; Goldfinger, P J; Ireland, Michael

Description

HR 8799 is an hF0 mA5 γ Doradus-, λ Bootis-, Vega-type star best known for hosting four directly imaged candidate planetary companions. Using the CHARA Array interferometer, we measure HR 8799's limb-darkened angular diameter to be 0.342 ± 0.008 mas (a

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/66626
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/761/1/57

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