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Revisiting the Exo-Mercury Candidate GJ 367 b with ESPRESSO and a Self-consistent Tidal Distortion Model

  • Authors: Rena A. Lee, Fei Dai, Ellen M. Price, Te Han, Davide Gandolfi, Mathias Zechmeister, Gumundur Stefánsson, Jiayin Dong, Simon H. Albrecht, Kristine W. F. Lam, Federica Chiti, Jennifer L. van Saders, Daniel Huber, Heather A. Knutson, Karen A. Collins, Michael Zhang, Leslie A. Rogers, Eleonora Armano, Casey L. Brinkman, Nicholas Saunders, Daniel Hey

Rena A. Lee et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 4.

Top: mass vs. core mass fraction (CMF). Bottom: mass vs. planet density error as a function of radial aspect ratio (color bars) from tidal distortion. We show the measured mass of GJ 367 b (0.503  ±  0.078 M) as the gray shaded region. We adopt the Fe–pv–en (iron core surrounded by perovskite-enstatite mantle) composition in the right panel of Figure 3.

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