Volume 8 Issue 4
Dec.  1988
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Mi Guo-zhu, Shen Jing-ying. X-ray Eclipse Transitions in Her X-1/HZ Her Binary and the Atmospheric Structure of HZ Her[J]. Chinese Journal of Space Science, 1988, 8(4): 253-260. doi: 10.11728/cjss1988.04.253
Citation: Mi Guo-zhu, Shen Jing-ying. X-ray Eclipse Transitions in Her X-1/HZ Her Binary and the Atmospheric Structure of HZ Her[J]. Chinese Journal of Space Science, 1988, 8(4): 253-260. doi: 10.11728/cjss1988.04.253

X-ray Eclipse Transitions in Her X-1/HZ Her Binary and the Atmospheric Structure of HZ Her

doi: 10.11728/cjss1988.04.253
  • Received Date: 1988-02-13
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1988-12-24
  • In close binary system Her X-I/HZ Her,the gradual occultations of the X-ray pulsar Her X-1 by its companion HZ Her offer a direct observational evidence of the atmospheric structure of HZ Her.The transitions in two observations have been fitted and studied.We find that there exists a chromosphere layer with temperature about 8×104K due to X-ray heating at the bottom of HZ Her atmosphere facing the X-ray source.This conclusion is compared with previous theoretical models of HZ Her atmospheric structure.It agrees roughly with the models.Some disagreements are discussed briefly.

     

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