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  1. No Access

    Article

    Error Analysis on Plane-to-Plane Linear Approximate Coordinate Transformation

    In this paper, the error analysis has been done for the linear approximate transformation between two tangent planes in celestial sphere in a simple case. The results demonstrate that the error from the linear...

    Q. F. Zhang, Q. Y. Peng, J. H. Fan in Journal of Astrophysics and Astronomy (2014)

  2. No Access

    Article

    Variability of Blazars

    Variability is one of the characteristics of blazars. The rapid variability is superposed on the long term variation. In this work, the variability on different time scales, such as intra-day (IDV), short-term...

    J. H. Fan, Y. Liu, Y. Li, Q. F. Zhang, J. Tao… in Journal of Astrophysics and Astronomy (2011)