CAS Key Laboratory of FAST Astronomical Observatories Academy of Sciences;
Qiannan Normal University for Nationalities;
School of Astronomy and Space Science of Chinese Academy of Sciences;
Max-Plank-Institut für Radioastronomie dem Hügel 69-53121;
Xinjiang Astronomical Observatories Academy of Sciences;
United World College of Changshu China;
pulsars:general; pulsars:individual(B1859+07); methods:observational;