• Evolution of Ly𝛼 Forest in Redshift Range 0.5 < 𝑧 < 3.4

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      https://www.ias.ac.in/article/fulltext/joaa/035/03/0517-0521

    • Keywords

       

      Ly𝛼 forest: evoution; Ly𝛼 absorption line; column density; evolution.

    • Abstract

       

      We collect 23 spectral data from literature, which is regarded as a relatively sufficient sample. The evolution index 𝛾 was calculated to study the evolution of Ly𝛼 line density of Ly𝛼 forest. This paper discusses the relationship between the evolution with the redshift in different interval threshold of column density. The results are in accordance with the results of previous research.

    • Author Affiliations

       

      G. Q. Li1 Z. F. Chen2 Y. T. Zhou1

      1. Centre for Astrophysics, Guangzhou University, Guangzhou 510006, China.
      2. Department of Physics, Baise University, Baise 533000, China.
    • Dates

       
  • Journal of Astrophysics and Astronomy | News

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