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20172025
most citedThe magnetic nature of umbra-penumbra boundary in sunspots

44 citations · 93 across the 8 of their papers we have counts for

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astro-ph.SR2017★ 31 cited

Normal and counter Evershed flows in the photospheric penumbra of a sunspot. SPINOR 2D inversions of Hinode-SOT/ SP observations

A. Siu-Tapia, A. Lagg, S. K. Solanki +2

Context. The Evershed effect, a nearly horizontal outflow of material seen in the penumbrae of sunspots in the photospheric layers, is a common characteristic of well-developed pen…