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The Statistic Study of Lα Absorption Lines

  • Chen Jian-Sheng (a1)

Extract

The statistic studies of the absorbing forest in the spectra of high redshift QSOs will provide an important approach to the understanding of the physical properties of the absorbing materials. For this purpose a collection of uniform samples would be very important and urgent. It is very time consuming of the large telescopes to take the high resolution, high ratio-to-noise and wide coverage of wavelength of the QSO's spectra, therefore, an international collaboration in a uniform way would be very desirable.

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* This work was done in collaboration with Zou Zhen-Long, Bian Yu-Lin, Tang Xiao-Ying and Cui Zhen-Xing of Peking Astronomical Observatory.

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