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Statistical Studies on Geomagnetically Induced Current Events Driven by Earth-directed Full Halo Coronal Mass Ejections
Lin, J.; Liu, C. M.; Wang, K. R. +1 more
Solar activities and eruptions can cause the power transmission system to be an abnormal condition,especially for an extra-long distance electric power transmission system.We analyzed the coronal mass ejection (CME) data from SOHO/LASCO (Solar and Heliospheric Observatory/Large Angle and Spectrometric Coronagraph),and the geomagnetically induced c…
Binary Orbit Determination by Using a Variety of Observational Data
Ren, S. L.
The binary orbit determination is a basic research area in astronomy, its main products are the kinematical parameters of binary, which contain the kinematical parameters of the mass center and the orbital parameters. These parameters are the necessary constituents of the astronomical reference frame with high precision and high density, and at th…