TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

  title={TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association},
  author={E. Newton and A. Mann and B. Tofflemire and L. Pearce and A. Rizzuto and A. Vanderburg and R. Mart{\'i}nez and J. Wang and J. Ruffio and A. Kraus and M. Johnson and P. C. Thao and M. Wood and R. Rampalli and E. Nielsen and K. Collins and D. Dragomir and C. Hellier and D. Anderson and T. Barclay and C. Brown and G. Feiden and R. Hart and G. Isopi and J. Kielkopf and F. Mallia and P. Nelson and J. Rodriguez and C. Stockdale and I. Waite and D. Wright and J. Lissauer and G. Ricker and R. Vanderspek and D. Latham and S. Seager and J. Winn and Jon M. Jenkins and L. Bouma and C. J. Burke and M. Davies and M. Fausnaugh and J. Li and R. Morris and K. Mukai and J. Villasenor and Steven Villeneuva and R. Rosa and B. Macintosh and M. Mengel and Jack Okumura and R. Wittenmyer},
  journal={The Astrophysical Journal},
  • E. Newton, A. Mann, +49 authors R. Wittenmyer
  • Published 2019
  • Physics
  • The Astrophysical Journal
  • Young exoplanets are snapshots of the planetary evolution process. Planets that orbit stars in young associations are particularly important because the age of the planetary system is well constrained. We present the discovery of a transiting planet larger than Neptune but smaller than Saturn in the 45 Myr Tucana–Horologium young moving group. The host star is a visual binary, and our follow-up observations demonstrate that the planet orbits the G6V primary component, DS Tuc A (HD 222259A, TIC… CONTINUE READING
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