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Interferometric Detection and Orbit Modeling of the Subcomponent in the Hot-dust System κ Tuc A: A Low-mass Star on an Eccentric Orbit in a Hierarchical-quintuple System

  • Authors: T. A. Stuber, A. Mérand, F. Kirchschlager, S. Wolf, G. Weible, O. Absil, T. D. Pearce, G. Garreau, J.-C. Augereau, W. C. Danchi, D. Defrère, V. Faramaz-Gorka, J. W. Isbell, J. Kobus, A. V. Krivov, R. Laugier, K. Ollmann, R. G. Petrov, P. Priolet, J. P. Scott, K. Tsishchankava, S. Ertel

T. A. Stuber et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 2.

GRAVITY closure phases from the observation of 2024 November 23 for the first of six 2 minute exposures (black) with uncertainties in gray. Each panel belongs to one telescope triplet. A binary model was fitted to the data of all six exposures (of which five are not shown for clarity of illustration) with the best-fit model shown in red.

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