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一个复杂大爆发的分析
  • ISSN号：1672-7673
  • 期刊名称：《天文研究与技术》
  • 时间：0
  • 分类：P162.11[天文地球—天文学]
  • 作者机构：[1]中国科学院国家天文台云南天文台,云南昆明650011, [2]中国科学院紫金山天文台,南京210008, [3]中国科学院国家天文台,北京100012
  • 相关基金：国家重点基金（10333030）;国家自然科学基金（10473020）;“973”（2006CB806301）和科学院“西部之光”资助.
作者： 马媛[1], 王德焴[2], 汪敏[1], 颜毅华[3]
关键词： 太阳射电辐射, Hα耀斑, CME, Solar radio bursts, Hα flares, CME
中文摘要：

本文分析了2002．7．23国家天文台云南天文台射电频谱仪在625～1500 MHz、2600～3800 MHz和5200～7600 MHz记录到的复杂型大爆发，将此爆发与Hα耀斑、日冕物质抛射（CME）、硬X射线爆发及地球物理参数作了相关分析，得到这个事件的一些显著特征，认为这一事件电子的加速区在日冕的外层，接近625MHz的地方，并且多次发生磁重联．磁重联以后的衰变相是湍流加速过程。

英文摘要：

A complex solar radio burst observed with the spectrometers of NAOC working at 625 - 1500 MHz, 2600 - 3800MHz, and 5200 - 7600 MHz was analyzed in this paper. We probe the correlations of the radio data with the data of Hα flares, CME, and Hard X-rays of the same underlying burst, as well as those of related （terrestrial） atmospheric events. We have found some prominent features about the burst. We think that the electron-acceleration site may be in the outer corona near the region corresponding to the frequency 625 MHz. We also think that the magnetic reconnection occurred several times, and the decay phase after the magnetic reconnection is a turbulence-acceleration process.

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期刊信息
  • 《天文研究与技术》
  • 主管单位:中国科学院
  • 主办单位:中国科学院国家天文台
  • 主编：钱声帮
  • 地址：昆明110信箱
  • 邮编：650011
  • 邮箱：ynaotk@ynao.ac.cn；
  • 电话：0871-63920157
  • 国际标准刊号：ISSN：1672-7673
  • 国内统一刊号：ISSN：53-1189/P
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:800