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Sensitivity of Spectral Lines to Granulation: From the Sun to K-type Stars

Authors: V. Vasilyev, K. Sowmya, A. I. Shapiro, N. Kostogryz, D. Vukadinovic, V. Witzke, T. Bhatia, A. Collier Cameron, L. Gizon, S. K. Solanki

V. Vasilyev et al 2026 The Astrophysical Journal 1004 .

Caption: Figure 5.

Spatial maps of line strength and COG velocity for a representative Fe II line at disk center. Same as Figure 4, but for an Fe II transition.