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

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Authors

Baines, Ellyn K
White, Russel J
Huber, D
Jones, Jeremy
Boyajian, T S
McAlister, H
ten Brummelar, T
Turner, Nils
Sturmann, J
Goldfinger, P J

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IOP Publishing

Abstract

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

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Astrophysical Journal, The

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Restricted until

2037-12-31