Initial observations of sunspot oscillations excited by solar flare

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Abstract

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.

Original languageEnglish (US)
Pages (from-to)L147-L149
JournalAstrophysical Journal
Volume670
Issue number2 PART 2
DOIs
StatePublished - 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • Sun: flares
  • Sun: oscillations

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