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The Orbital Eccentricity–Radius Distribution for Warm, Single Planets in TESS

  • Authors: Tyler R. Fairnington, Jiayin Dong, Chelsea X. Huang, Emma Nabbie, George Zhou, Duncan Wright, Karen A. Collins, David Ciardi, Jon M. Jenkins, David W. Latham, George Ricker, Samuel N. Quinn, Sara Seager, Avi Shporer, Roland Vanderspek, Joshua N. Winn, Khalid Barkaoui, Allyson Bieryla, Lars Buchhave, Dmitry Cheryasov, Jessie Christiansen, Courtney Dressing, Akihiko Fukui, Alexey Garmash, Steven Giacalone, Eric G. Hintz, Steve B. Howell, Keisuke Isogai, Jerome de Leon, Jorge Lillo-Box, Felipe Murgas, Norio Narita, Louise D. Nielsen, Enric Palle, Markus Rabus, Benjamin V. Rackham, Richard P. Schwarz, Gregor Srdoc, Denise C. Stephens, Gavin Wang, Noriharu Watanabe, Francis P. Wilkin, Joe Williams

Tyler R. Fairnington et al 2026 The Astrophysical Journal Letters 1008 .

  • Provider: AAS Journals

Caption: Figure 5.

Posterior eccentricity distributions for three planet size classes derived from hierarchical Bayesian inference. Left: single-Beta distribution fits. Right: two-component Beta mixture model fits. Colors denote sub-Neptunes (1–4 R, blue), sub-Saturns (4–8 R, purple), and Jovians (8–16 R, orange). Solid lines show median posteriors; shaded regions indicate 68% credible intervals.

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