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Observations of Microwave Type-U Bursts

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Abstract

Two microwave type-U bursts observed with the 2.6–3.8 GHz spectrometer of Beijing Astronomical Observatory (BAO) are described and analysed in this paper. The microwave type-U bursts have very short durations (about 200 ms), narrow bandwidth, high-frequency drift rates of the ascending and descending branches, and a high degree of circular polarization (80%). The sense of polarization remains the same from the ascending to the descending branch.

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Authors and Affiliations

  1. Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, 650011, China

    M. Wang, R.X. Xie & C.C. Duan

  2. Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing, 100012, China

    Q.J. Fu

  3. Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, China

    G.L. Huang

Authors
  1. M. Wang
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  2. Q.J. Fu
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  3. R.X. Xie
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  4. G.L. Huang
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  5. C.C. Duan
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Wang, M., Fu, Q., Xie, R. et al. Observations of Microwave Type-U Bursts. Solar Physics 199, 157–164 (2001). https://doi.org/10.1023/A:1010301632136

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  • DOI: https://doi.org/10.1023/A:1010301632136

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