Investigating the spectroscopic, magnetic and circumstellar variability of the O9 subgiant star HD 57682
Investigating the spectroscopic, magnetic and circumstellar variability of the O9 subgiant star HD 57682
The O9IV star HD 57682, discovered to be magnetic within the context of the MiMeS survey in 2009, is one of only eight convincingly detected magnetic O-type stars. Among this select group, it stands out due to its sharp-lined photospheric spectrum. Since its discovery, the MiMeS Collaboration has continued to …