Volume 6 Issue 4
Dec.  1986
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Shi Zhong-xian, Wang Jing-xiu. The Ha Characteristics of Hard X-ray Bursts[J]. Chinese Journal of Space Science, 1986, 6(4): 243-251. doi: 10.11728/cjss1986.04.243
Citation: Shi Zhong-xian, Wang Jing-xiu. The Ha Characteristics of Hard X-ray Bursts[J]. Chinese Journal of Space Science, 1986, 6(4): 243-251. doi: 10.11728/cjss1986.04.243

The Ha Characteristics of Hard X-ray Bursts

doi: 10.11728/cjss1986.04.243
  • Received Date: 1986-01-08
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1986-12-24
  • The following results are obtained from the examination of 50 Ha flares. (1) all flares with HXRBS are detectabe from the emission of Hα±2A. They have at least two Ha kernels (I flare/I bac. >1.15 on Hα + 2Å) located in the opposite polarity regions; (2) the Ha brigh-tenings start earlier than HXRBS, while the Ha peaks, which correspond to the spikes of HXRBS very well, come later than that of HXRBS by several seconds; (3) if the count rates of HXRBS are more than 1000, the kernels of Hα+2A cover the penumbra, if the count rates are less than 200, the kernels do not cover the penumbra.

     

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