An investigation of interaction between WR stars and their surrounding gas

Yuefang Wu, Tie Liu, Leitong Luo, Hongli Liu & Xiaoke Tang

Peking University, P.R. China

CO mapping were made toward WR Star 136, 149, 152, 153 (HD211853) and 157 using the 13.7 m telescope of Purple Mountain Observatory. Combining infrared and radio data, interaction of the center stars and their environments were investigated, including effect manifestations on gas region morphology, parameters, structure as well as status and spatial distribution of stellar objects.

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