Low-frequency radio observations of the angular broadening of the Crab Nebula due to a coronal mass ejection

被引：13

作者：

Ramesh, R ^{[1
]}

Kathiravan, C ^{[1
]}

Sastry, CV ^{[1
]}

机构：

[1] Indian Inst Astrophys, Bangalore 560034, Karnataka, India

来源：

ASTROPHYSICAL JOURNAL | 2001年 / 548卷 / 02期

关键词：

scattering; solar-terrestrial relations; Sun : activity; Sun : corona; Sun : radio radiation;

D O I：

10.1086/319098

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report two-dimensional, low-frequency radio observations of the angular broadening of the Crab Nebula (Taurus A) due to a coronal mass ejection (CME), at a distance of similar to 41 R-. from the Sun. The estimated electron density in the CME is about 50 times greater than that of the ambient corona at that location. The calculated mass agrees approximately with that reported earlier for similar events at large distances from the Sun.

引用

页码：L229 / L231

页数：3

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