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Kepler-102: Masses and Compositions for a Super-Earth and Sub-Neptune Orbiting an Active Star

  • Authors: Casey L. Brinkman, James Cadman, Lauren Weiss, Eric Gaidos, Ken Rice, Daniel Huber, Zachary R. Claytor, Aldo S. Bonomo, Lars A. Buchhave, Andrew Collier Cameron, Rosario Cosentino, Xavier Dumusque, Aldo F. Martinez Fiorenzano, Adriano Ghedina, Avet Harutyunyan, Andrew Howard, Howard Isaacson, David W. Latham, Mercedes López-Morales, Luca Malavolta, Giuseppina Micela, Emilio Molinari, Francesco Pepe, David F. Philips, Ennio Poretti, Alessandro Sozzetti, Stéphane Udry

Casey L. Brinkman et al 2023 The Astronomical Journal 165 .

  • Provider: AAS Journals

Caption: Figure 8.

Ternary plot for Kepler-102e (K-102e) solid core compositions, assuming a core radius of R c = 1.5 R ⊕. Large points represent planet compositions consistent with our measured mass of the planet to within 1σ, while smaller points represent compositions within 2σ. The planet core composition that most closely matches our measured value of M e = 4.7 M ⊕ is one of 40% iron and 60% silicate rock—more dense than the best-fit composition for Kepler-102d.

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