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An Ancient Brown Dwarf Transiting a Metal-poor Thick-disk Star

  • Authors: Jéa Adams Redai, Vedant Chandra, Samuel W. Yee, Victoria DiTomasso, Sean Andrews, Karin Öberg, David Charbonneau, Rebecca Woody, David W. Latham, Allyson Bieryla, Samuel N. Quinn, Theron W. Carmichael, Chih-Chun Hsu, Noah Vowell, Jason J. Wang, Sebastian Zieba, Paul Benni, Karen A. Collins, David R. Ciardi, Julian van Eyken, William Fong, Michael B. Lund, Andrei M. Tatarnikov

Jéa Adams Redai et al 2026 The Astrophysical Journal Letters 1002 .

  • Provider: AAS Journals

Caption: Figure 10.

TRES RV measurements of TOI-7019 showing the motion induced by the transiting BD. The best-fit model (black line) yields a semiamplitude of K = 4417 ± 17 m s−1, corresponding to a companion mass of 61.3MJ ± 2.1MJ. The top panel shows the RV time series phase-folded to the orbital period of the BD, while the bottom panel shows the full RV time series. The center-of-mass velocity ﹩{\mu }_{{\rm{TRES}}}﹩ has been subtracted from the TRES RVs in this figure.

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