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Data on solar hydrogen filaments obtained at the Abastumani Astrophysical Observatory during solar activity cycles 19-22 are used to study the characteristic periods of the solar differential rotation. In addition… Click to show full abstract
Data on solar hydrogen filaments obtained at the Abastumani Astrophysical Observatory during solar activity cycles 19-22 are used to study the characteristic periods of the solar differential rotation. In addition to the known 11-year period of solar activity, a quasi-biennial periodicity was revealed for the rotation rates of hydrogen filaments and a quasi-five-year periodicity was also found for the number of hydrogen filaments.
Keywords:
solar differential;
hydrogen filaments;
rotation;
differential rotation;
periodicities solar;
study periodicities
Journal Title: Astrophysics
Year Published: 2020
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Journal Title: Astrophysics
Year Published: 2020
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!