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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 2.

Toomre diagram of KIC field stars (light blue) and the Kepler planet host sample used in this work. The color represents the kinematic thick-disk association probability Pthick for each star. Thin-disk stars are designated with teal crosses, and thick-disk stars are designated with red crosses. The gray dotted lines represent lines of constant velocity at Vtot = 50, 100, 150, and 200 [km] s−1.

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