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The Discovery of K2-232c: Divergent Formation Histories for Hot and Warm Jupiters Based on Outer Companion Eccentricity

  • Authors: Jessica A. Ranshaw, Xian-Yu Wang, Jennifer A. Burt, Juan I. Espinoza-Retamal, Brandon T. Radzom, R. Paul Butler, Bradford P. Holden, Steven S. Vogt, Songhu Wang

Jessica A. Ranshaw et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 3.

TESS (light blue) and K2 (lavender) flux measurements versus phase for K2-232 showing the transiting warm-Jupiter K2-232b, together with APF (black), CORALIE (pink), FEROS (purple), and HARPS (teal) RV measurements versus phase for the K2-232 system. Top panels: TESS and K2 normalized flux measurements phase-folded to planet b’s period with 120 s (left), 200 s (center), and 1800 s (right) cadence data. Bottom panels: RV measurements phase-folded to the periods of planet b (left) and planet c (right), with the red and blue dashed lines indicating their respective best-fit curves. All residual data is shown on the bottom of each panel.

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