activity
19982026
most citedThe second flight of the SUNRISE balloon-borne solar observatory: overview of instrument updates, the flight, the data and first results

145 citations · 1.6k across the 41 of their papers we have counts for

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Showing 2021Show all

2 papers · 1 filter

astro-ph.SR2021★ 4 cited

Correction of atmospheric stray-light in restored slit-spectra

Sudharshan Saranathan, Michiel van Noort, Sami K. Solanki

A long-standing issue in solar ground-based observations has been the contamination of data due to stray light, which is particularly relevant in inversions of spectropolarimetric…

astro-ph.SR2021

Similarities of magnetoconvection in the umbra and in the penumbra of sunspots

B. Löptien, A. Lagg, M. van Noort +1

Context. It is unclear why there is a rather sharp boundary in sunspots between the umbra and the penumbra. Both regions exhibit magnetoconvection, manifesting in penumbral filamen…