Browsing by Author "Xiang, Yue"

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Distribution and evolution of starspots on the RS CVn binary II Pegasi in 2004

Xiang, Yue; Gu, Sheng Hong; Collier Cameron, A.; Barnes, J.R. (2014-02-01)

We present Doppler images of RS CVn-type binary II Peg based on two data sets obtained in 2004 February and November. In order to improve signal-to-noise ratio and reliability,we apply least-squares deconvolution technique ...