Because of its age, Barnard's star has less flare activity [1]. Also, from the Nature article [2] we read "Barnard’s star is also among the least magnetically

Because of its age, Barnard's star has less flare activity [1]. Also, from the Nature article [2] we read "Barnard’s star is also among the least magnetically active red dwarfs known..." [1] https://en.wikipedia.org/wiki/Barnard%27s_Star https://en.wikipedia.org/wiki/Barnard%27s_Star [2] https://www.nature.com/articles/s41586-018-0677-y https://www.nature.com/articles/s41586-018-0677-y