Multi-wave Band Observation of Bi-directional Type Ⅲ Drift Bursts

MA Yuan; WANG De-yu

Astronomical Research and Technology > 2008 > 5(1): 7-12.

MA Yuan, WANG De-yu. Multi-wave Band Observation of Bi-directional Type Ⅲ Drift Bursts[J]. Astronomical Research and Technology, 2008, 5(1): 7-12.

Citation:

MA Yuan, WANG De-yu. Multi-wave Band Observation of Bi-directional Type Ⅲ Drift Bursts[J]. Astronomical Research and Technology, 2008, 5(1): 7-12.

Citation:

MA Yuan, WANG De-yu. Multi-wave Band Observation of Bi-directional Type Ⅲ Drift Bursts[J]. Astronomical Research and Technology, 2008, 5(1): 7-12.

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Multi-wave Band Observation of Bi-directional Type Ⅲ Drift Bursts

MA Yuan¹,
WANG De-yu²

1.
National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China

More Information

Received Date: March 20, 2007
Revised Date: July 09, 2007
Published Date: January 14, 2008

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Abstract

Abstract

The 11 pairs of type Ⅲ 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 type Ⅲ 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.
- solar radio emission,
- type Ⅲ burst,
- solar activity

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