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双向Ⅲ型漂移爆发的多波段观测
  • 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,江苏南京210008
  • 相关基金：国家自然科学基金（10473020）;国家重点基金（10333030）;“973”（2006CB806301）和科学院“西部之光”项目资助.
作者： 马媛[1], 王德焴[2]
关键词： 太阳射电辐射, Ⅲ型爆发, 太阳活动, solar radio emission, type Ⅲburst, solar activity
中文摘要：

分析了国家天文台云南天文台射电频谱仪在230～300MHz、625～1500MHz、1000～2000MHz和2600～3800MHz记录到的11对具有双向漂移结构的Ⅲ型爆发。对双向Ⅲ型爆发的半功率持续时间、频率漂移率、偏振度等观测特征与普通Ⅲ型爆发作了比较，与Hα耀斑的关系也作了详细分析。得到这些事件的显著特征，并对双向Ⅲ型爆发作了定性解释。

英文摘要：

The 11 pairs of type m bursts with the bi-directional drift structure recorded with the spectrograph within the frequency ranges of 230 ～ 300MHz, 625 ～ 1500MHz, 1000 ～ 2000MHz and 2600 ～ 3800MHz at Yunnan Observatory are analyzed in this article. The half-power duration, the frequency drifts rate and the degree of polarization with bi-directional type Ⅲ bursts are compared with ordinal typeⅢ bursts, and their relations to Hα flares are analyzed. Outstanding characteristics of these events are obtained. The qualitative explanation of these events is given in this paper.

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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