Publications

  • Origin of the chromospheric three-minute oscillations in sunspot umbrae

    Context. Sunspot umbrae show a change in the dominant period of their oscillations from five minutes (3.3 mHz) in the photosphere to three minutes (5.5 mHz) in the chromosphere. Aims: In this paper, we explore the two most popular models proposed to explain the three-minute oscillations: the chromospheric acoustic resonator and the propagation of

    Felipe, T.

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    7
    2019