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A New Third Planet and the Dynamical Architecture of the HD 33142 Planetary System

  • Authors: Trifon Trifonov, Anna Wollbold, Martin Kürster, Jan Eberhardt, Stephan Stock, Thomas Henning, Sabine Reffert, R. Paul Butler, Steven S. Vogt, Ansgar Reiners, Man Hoi Lee, Bertram Bitsch, Mathias Zechmeister, Florian Rodler, Volker Perdelwitz, Lev Tal-Or, Jan Rybizki, Paul Heeren, Davide Gandolfi, Oscar Barragán, Olga Zakhozhay, Paula Sarkis, Marcelo Tala Pinto, Diana Kossakowski, Vera Wolthoff, Stefan S. Brems, Vera Maria Passegger

Trifon Trifonov et al 2022 The Astronomical Journal 164 .

  • Provider: AAS Journals

Caption: Figure 5.

Top row: the evolution of the semimajor axes a and eccentricities e for HD 33142d (blue), HD 33142b (red), and HD 33142c (green) of a representative stable fit from the posterior distribution. Middle row: the evolution of apsidal angles Δω d−b, Δω d−c, and Δω b−c, which are librating in an antialigned, aligned, and antialigned geometry, respectively. For purposes of providing a clear representation, the plot only shows a 50,000 yr excerpt.

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