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Revised Properties and Dynamical History for the HD 17156 System

  • Authors: Stephen R. Kane, Michelle L. Hill, Paul A. Dalba, Tara Fetherolf, Gregory W. Henry, Sergio B. Fajardo-Acosta, Crystal L. Gnilka, Andrew W. Howard, Steve B. Howell, Howard Isaacson

Stephen R. Kane et al 2023 The Astronomical Journal 165 .

  • Provider: AAS Journals

Caption: Figure 7.

Left: the mass and semimajor axis of an additional planet in a circular orbit whose angular momentum equals the angular momentum deficit (AMD) for the HD 17156 system. The dot indicated the known mass and semimajor axis of HD 17156b. Right: eccentricity of HD 17156b as a function of the semimajor axis for the additional planet. The horizontal dashed line indicated the current eccentricity of HD 17156b.

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