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The Orbital Eccentricities of Planets in the Kinematic Thin and Thick Galactic Disks

  • Authors: Sheila Sagear, Sarah Ballard, Kathryne J. Daniel, Adrian M. Price-Whelan, Sóley Ó. Hyman, Gregory J. Gilbert, Christopher Lam

Sheila Sagear et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 8.

Left: 〈e〉 for thick- versus thin-disk small planet hosts with Rp < 3.5R. Singles are shown on the left panel, with multis on the right panel. 〈e〉 is calculated from the underlying eccentricity distribution for each subsample modeled as Rayleigh distributions. The vertical error bars represent the 1σe〉 uncertainties.

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