![Speed measured in the sunspot of the active region NOAA 12662 observed with the GREGOR telescope (Observatorio del Teide, Tenerife, Spain) Credit: T. Felipe (IAC) Speed measured in the sunspot of the active region NOAA 12662 observed with the GREGOR telescope (Observatorio del Teide, Tenerife, Spain) Credit: T. Felipe (IAC)](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/img_prensa_prensa1517_3583_hi%281%29.jpg?h=2af55faa&itok=RhM1Rik1)
An international study, led by researchers at the IAC, reveal unknown details about the nature of a singular type of oscillatory phenomenon in spiral form detected in sunspots. The research, published in Astronomy & Astrophysics, was carried out using observations with the GREGOR telescope at the Teide Observatory.
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