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A Possible Periodic Rotation Measure Evolution in the Repeating FRB 20220529

  • Authors: Yi-Fang Liang, Ye Li, Zhen-Fan Tang, Xuan Yang, Song-Bo Zhang, Yuan-Pei Yang, Fa-Yin Wang, Bao Wang, Di Xiao, Qing Zhao, Jun-Jie Wei, Jin-Jun Geng, Jia-Rui Niu, Jun-Shuo Zhang, Guo Chen, Min Fang, Xue-Feng Wu, Zi-Gao Dai, Wei-Wei Zhu, Peng Jiang, Bing Zhang

Yi-Fang Liang et al 2025 The Astrophysical Journal Letters 994 .

  • Provider: AAS Journals

Caption: Figure 6.

The surface magnetic field Bc for different assumed values of the companion mass Mc and mass loss rate ﹩\dot{M}﹩. The observed period P = 200 days is assumed to be the orbital period, and σRM = 100 rad m−2 is taken as the RM contribution of the stellar wind. The observed stellar mass and mass loss rate of main-sequence stars as well as evolved stars are overplotted as black dots and gray circles for comparison. The left and right panels show the cases for a toroidal field (βB = 1) and a radial field (βB = 2), respectively.

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