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TrES-1 b: A Case Study in Detecting Secular Evolution of Exoplanet Orbits

  • Authors: Simone R. Hagey, Billy Edwards, Angelos Tsiaras, Aaron C. Boley, Anastasia Kokori, Norio Narita, Pedro V. Sada, Filip Walter, Robert T. Zellem, Napaporn A-thano, Kevin B. Alton, Miguel Ángel Álava Amat, Paul Benni, Emmanuel Besson, Patrick Brandebourg, Marc Bretton, Mauro Caló, Martin Valentine Crow, Jean-Christophe Dalouzy, Marc Deldem, Tõnis Eenmäe, Stephane Ferratfiat, Pere Guerra, Gary Vander Haagen, Ken Hose, Adrian Jones, Yves Jongen, Didier Laloum, Stefano Lora, Alessandro Marchini, Jacques Michelet, Matej Mihelčič, Johannes Mieglitz, Eric Miny, David Molina, Mario Morales Aimar, Raphael Nicollerat, Ivo Peretto, Manfred Raetz, François Regembal, Robert Roth, Lionel Rousselot, Mark Salisbury, Darryl Sergison, Anaël Wünsche, Jaroslav Trnka

Simone R. Hagey et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 2.

Transit (top) and eclipse (bottom) timing variations for TrES-1 b. Each data point represents the difference between an observed time and the expected midpoint from the best-fit constant-period, circular orbit model. The plot shows 300 random samples from the weighted posterior distributions of the joint model fits—which included RV data—for the constant-period, orbital decay, and apsidal precession models.

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