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THE LONG-TERM HEMISPHERIC VARIATION OF POLAR FACULAE

  • Deng, Lin-Hua (National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences) ;
  • Qu, Zhong-Quan (National Astronomical Observatories/Yunnan Astronomical Observatory, Chinese Academy of Sciences) ;
  • Liu, Ting (Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology) ;
  • Huang, Wen-Juan (Oxbridge College, Kunming University of Science and Technology)
  • Received : 2011.10.15
  • Accepted : 2011.11.17
  • Published : 2011.12.31
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Abstract

In this paper, the long-term hemispheric variation of the polar faculae is investigated. It is found that, (1) both the N-S asymmetry and N-S asynchrony of the polar faculae exhibit a long-term persistence, which suggests that they should not be regarded as a stochastic phenomenon; (2) both the N-S asynchrony and N-S asymmetry of the polar faculae are functions of the latitude, implying that the N-S asynchrony of the polar faculae is related to the N-S asymmetry of the polar faculae; (3) from a long-term view, the dominant hemisphere of the polar faculae seems to have close connection with the phase-leading hemisphere of the polar faculae.

Keywords

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