Volume 35 Issue 2
Mar.  2015
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XUE Yu, WANG Shujuan, YAN Yihua, HUANG Chong, YU Sijie, WANG Rui. Microwave Type U and RS Bursts in the X2.2 Solar Flare on 15 February 2011[J]. Journal of Space Science, 2015, 35(2): 133-142. doi: 10.11728/cjss2015.02.133
Citation: XUE Yu, WANG Shujuan, YAN Yihua, HUANG Chong, YU Sijie, WANG Rui. Microwave Type U and RS Bursts in the X2.2 Solar Flare on 15 February 2011[J]. Journal of Space Science, 2015, 35(2): 133-142. doi: 10.11728/cjss2015.02.133

Microwave Type U and RS Bursts in the X2.2 Solar Flare on 15 February 2011

doi: 10.11728/cjss2015.02.133
Funds:  Supported by National Basic Research Program of Ministry of Science and Technology of China (2011CB811401),the National Major Scientific Equipment Research and Development Project (ZDYZ2009-3) and National Natural Science Foundation of China (11211120147, 11221063, 11273030, 11103044, 11103039, 11373039)
  • Received Date: 2014-04-10
  • Rev Recd Date: 2015-01-08
  • Publish Date: 2015-03-15
  • Two groups of microwave type U and Reverse-Slope (RS) bursts after the Soft X-Ray (SXR) maximum were observed with the 2.6~3.8GHz spectrometer of Chinese Solar Broadband Radio Spectrometers (SBRS/Huairou) on 15 February 2011, when an X2.2 solar flare occurred in the Active Region (AR) NOAA11158. A Shear-driven Quadrupolar Reconnection (SQR) model was utilized to analyze these bursts and the two loops involved were found to be basically in the same spatial scale and have a height difference of about 1300km. These bursts were interpreted to be a result of a new reconnection process between the two similar-scaled loops.

     

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