Observations of Microwave Type-U Bursts |
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| Authors: | Wang M Fu QJ Xie RX Huang GL Duan CC |
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| Institution: | (1) Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming, 650011, China;(2) Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing, 100012, China;(3) Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, China |
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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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