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题名: Theoretical scaling law of coronal magnetic field and electron power-law index in solarmicrowave burst sources
作者: Huang, Y.; Song, Q. W.; Tan, B. L.
刊名: ASTROPHYSICS AND SPACE SCIENCE
出版日期: 2018
卷号: 363, 期号:4, 页码:79
英文摘要: It is first proposed a theoretical scaling law respectively for the coronal magnetic field strength B and electron power-law index delta versus frequency and coronal height in solar microwave burst sources. Based on the non-thermal gyro-synchrotron radiation model (Ramaty in Astrophys. J. 158:753, 1969), B and delta are uniquely solved by the observable optically-thin spectral index and turnover (peak) frequency, the other parameters (plasma density, temperature, view angle, low and high energy cutoffs, etc.) are relatively insensitive to the calculations, thus taken as some typical values. Both of B and delta increase with increasing of radio frequency but with decreasing of coronal height above photosphere, and well satisfy a square or cubic logarithmic fitting.
语种: 英语
WOS记录号: WOS:000429130000019
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/18000
Appears in Collections:暗物质和空间天文实验室_期刊论文

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