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1 results

  • Role of the background regimes towards the Solar Mean Magnetic Field (SMMF)

  • Souvik Bose, K. Nagaraju
  • Journal:
    Proceedings of the International Astronomical Union / Volume 13 / Issue S340 / February 2018
    Published online by Cambridge University Press:
    27 November 2018, pp. 85-86
    Print publication:
    February 2018
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  • The Solar Mean Magnetic Field (SMMF) is generally defined as the disc-averaged line-of-sight (LOS) magnetic field on the sun. The role of the active regions and the large-scale magnetic field structures (also called the background) has been debated over the past few decades to understand whether the origin of the SMMF is either due to the active regions or the background. We, in this paper have investigated contribution of sunspots, plages, networks and the background towards the variability of the SMMF using the datasets from the SDO-AIA & HMI, and found that 89% of the SMMF is due to the background whereas the remaining 11% originates from the active regions and the networks.