Previously, low-mass stars were believed to have minimal magnetic activity, making them promising candidates for hosting habitable planets.
Indeed, the rotation of our sun is intricately connected to the magnetic phenomena it exhibits. "Differential rotation is thought to be responsible for the dynamo process in stars like our Sun, drivingFor this study, the researchers analyzed data publicly available from the Sloan Digital Sky Survey. They focused on a sample of 136 stars in M44, also known as Praesepe or the Beehive cluster.
The detailed analysis identified an internal process known as core-envelope decoupling, which may be controlling the surface magnetic activity of these stars. “Stars experiencing this enhanced magnetism are likely going to be battering their planets with high-energy radiation,“ noted Lyra Cao, lead author of the study.
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