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Stellar Properties of Active G and K Stars: Exploring the Connection between Starspots and Chromospheric Activity

  • Authors: Brett M. Morris, Jason L. Curtis, Charli Sakari, Suzanne L. Hawley, and Eric Agol

2019 The Astronomical Journal 158 101.

  • Provider: AAS Journals

Caption: Figure 9.

Spot covering fraction fS as a function of ﹩\mathrm{log}{R}_{\mathrm{HK}}^{{\prime} }﹩. The “﹩\odot ﹩” is the Sun, the large rhombus is HAT-P-11. Circular points mark stars that have no special classification.

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