| A Parametric Survey of the CME Triggering Process by Numerical Simulations |
| |
| 引用本文： | Xiao-Yan Xu,Peng-Fei Chen and Cheng Fang Department of Astronomy,Nanjing University,Nanjing 210093. A Parametric Survey of the CME Triggering Process by Numerical Simulations[J]. 中国天文和天体物理学报, 2005, 5(6): 636-644 |
| |
| 作者姓名： | Xiao-Yan Xu Peng-Fei Chen and Cheng Fang Department of Astronomy Nanjing University Nanjing 210093 |
| |
| 作者单位： | Xiao-Yan Xu，Peng-Fei Chen and Cheng Fang Department of Astronomy，Nanjing University，Nanjing 210093 |
| |
| 基金项目： | Supported by the National Natural Science Foundation of China. |
| |
| 摘 要： | Observations indicate that solar coronal mass ejections (CMEs) are closely associated with reconnection-favored flux emergence, which was explained in the emerging flux trigger mechanism for CMEs by Chen & Shibata based on numerical simulations. We present a parametric survey of the triggering agent: its polarity orientation, position, and the amount of the unsigned flux. The results suggest that whether a CME can be triggered depends on both the amount and location of the emerging flux, in addition to its polarity orientation. A diagram is presented to show the eruption and non-eruption regimes in the parameter space. The work is aimed at providing useful information for the space weather forecast.
|
| 关 键 词： | 太阳 暗条 数值模拟 能量 日珥 |
A Parametric Survey of the CME Triggering Process by Numerical Simulations |
| |
| Xiao-Yan Xu Peng-Fei Chen Cheng Fang. A Parametric Survey of the CME Triggering Process by Numerical Simulations[J]. Chinese Journal of Astronomy and Astrophysics, 2005, 5(6): 636-644 |
| |
| Authors: | Xiao-Yan Xu Peng-Fei Chen Cheng Fang |
| |
| Affiliation: | Department of Astronomy, Nanjing University, Nanjing 210093 |
| |
| Abstract: | Observations indicate that solar coronal mass ejections (CMEs) are closely associated with reconnection-favored flux emergence, which was explained in the emerging flux trigger mechanism for CMEs by Chen & Shibata based on numerical simulations. We present a parametric survey of the triggering agent: its polarity orientation, position, and the amount of the unsigned flux. The results suggest that whether a CME can be triggered depends on both the amount and location of the emerging flux, in addition to its polarity orientation. A diagram is presented to show the eruption and non-eruption regimes in the parameter space. The work is aimed at providing useful information for the space weather forecast. |
| |
| Keywords: | Sun: coronal mass ejections (CMEs)-Sun: filaments |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
