4.7 Article

Initial observations of sunspot oscillations excited by solar flare

Journal

ASTROPHYSICAL JOURNAL
Volume 670, Issue 2, Pages L147-L149

Publisher

UNIV CHICAGO PRESS
DOI: 10.1086/524298

Keywords

sun : flares; sun : oscillations

Funding

  1. Science and Technology Facilities Council [PP/D002907/1] Funding Source: researchfish

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Observations of a large solar flare on 2006 December 13 using Solar Optical Telescope (SOT) on board the Hinode spacecraft revealed high-frequency oscillations excited by the flare in the sunspot chromosphere. These oscillations are observed in the region of strong magnetic field of the sunspot umbra and may provide a new diagnostic tool for probing the structure of sunspots and understanding physical processes in solar flares.

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