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astro-ph.SR2012★ 25 cited
Properties of Umbral Dots from Stray Light Corrected Hinode Filtergrams
Rohan E. Louis, Shibu K. Mathew, Luis R. Bellot Rubio +3
High resolution blue continuum filtergrams from Hinode are employed to study the umbral fine structure of a regular unipolar sunspot. The removal of scattered light from the images…
astro-ph.SR2012★ 49 cited
Precursor of Sunspot Penumbral Formation discovered with Hinode SOT Observations
Toshifumi Shimizu, Kiyoshi Ichimoto, Yoshinori Suematsu
We present observations of a precursory signature that would be helpful for understanding the formation process of sunspot penumbrae. The Hinode Solar Optical Telescope successfull…