In this Letter,we present a comprehensive interstellar scintillation(ISS)study of the radio-loud magnetar XTE J1810–197 based on six years(2018–2024)of multifrequency monitoring(7.0,8.6,and 14.0 GHz)with the Shangha...In this Letter,we present a comprehensive interstellar scintillation(ISS)study of the radio-loud magnetar XTE J1810–197 based on six years(2018–2024)of multifrequency monitoring(7.0,8.6,and 14.0 GHz)with the Shanghai Tian Ma Radio Telescope.Scintillation parameters such as decorrelation bandwidthΔvd,decorrelation timeΔτd,and drift rate dt/dv,are fully characterized by the two-dimensional auto-correlation analysis.展开更多
基金supported in part by the National SKA Program of China(Grant No.2020SKA0120104)the National Key R&D Program of China(Grant No.2022YFA1603104)the National Natural Science Foundation of China(Grant Nos.U2031119 and 12041301)。
文摘In this Letter,we present a comprehensive interstellar scintillation(ISS)study of the radio-loud magnetar XTE J1810–197 based on six years(2018–2024)of multifrequency monitoring(7.0,8.6,and 14.0 GHz)with the Shanghai Tian Ma Radio Telescope.Scintillation parameters such as decorrelation bandwidthΔvd,decorrelation timeΔτd,and drift rate dt/dv,are fully characterized by the two-dimensional auto-correlation analysis.