Correlative Study between Solar Flares, Disappearing Filaments, and Coronal Holes and Geomagnetic Indices

  • Moon Yong-Jae (Bohyunsan Optical Astronomy Observatory, Korea Astronomy Observatory) ;
  • Park Young-Deuk (Bohyunsan Optical Astronomy Observatory, Korea Astronomy Observatory) ;
  • Yun Hong Sik (Astronomy Program, SEES, Seoul National University)
  • Published : 2000.04.01