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POSEIDON I: The Dynamical Origins of Transiting Neptunes

  • Authors: Juan I. Espinoza-Retamal, Joshua N. Winn, Rafael Brahm, Cristobal Petrovich, Guđmundur Stefánsson, Hareesh Bhaskar, Elise Koo, Andrés Jordán, Marcelo Tala Pinto, Melissa J. Hobson, Hugo Veldhuis, Felipe I. Rojas, Johanna K. Teske, R. Paul Butler, Jeffrey D. Crane, Stephen Shectman, Shreyas Vissapragada, Gavin Boyle, Rodrigo Leiva, Vincent Suc

Juan I. Espinoza-Retamal et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 7.

Inferred stellar obliquity distributions for the different subsamples of Neptune hosts. In all panels the median distribution is shown as the solid line, and random samples from the posteriors are shown in the background. (a) Neptunes that are apparently isolated, i.e., that have no known close planetary companions (orange). (b) Neptunes with known close companions (blue). (c) Neptune hosts that are single stars (purple). (d) Neptune hosts that are part of multistar systems (green). (e) Hot Neptunes (red). (f) Warm Neptunes (black).

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