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    Chapter and Conference Paper

    The Two-Point Correlation Function of Groups in CFA Survey

    The power law form of the two-point spatial correlation function of groups of galaxies is observed among a statistically homogeneous group sample based on the CfA redshift survey. The correlation range is from...

    Zou Zhen-long, Liu Da-qing in High Energy Astrophysics (1988)

  2. No Access

    Chapter and Conference Paper

    A Comment on the Seyfert Environment

    The study on the Seyfert environment has been of considerable interest lately, since it is believed that the tidal force of a close companian may drive gas into the inner region and either fuel nuclear activit...

    Zou Zhen-long, Chen Jian-shen in Observational Cosmology (1987)