What Can We Learn About Stellar Activity Cycles From ZDI?

Victor See, M. Jardine, A. Vidotto, J. -F. Donati, S. Boro Saikia, J. Bouvier, R. Fares, C. P. Folsom, S. Gregory, G. A. J. Hussain, S. Jeffers, S. Marsden, J. Morin, C. Moutou, J. D. do Nascimento, P. Petit, I. Waite

Research output: Contribution to conferenceOther


It is known that activity cycles, similar to the 11 year cycle of the Sun, can exist on other stars. Previous work suggests that stars may lie on two branches in a cycle period vs rotation period diagram though there is no definitive explanation for why this should be the case. Fundamentally, activity cycles occur as a result of the underlying dynamo. Indeed, a great deal has been learnt about the Sun's activity cycle by studying how its magnetic field evolves over each activity cycle. In the same way, we should be able to learn about the activity cycles of other stars by studying their magnetic field properties. In this talk, I will present new insights into stellar activity cycles by analysing the magnetic maps of stars that are known to present activity cycles. I will show that stars along each of the branches appear to have different magnetic field topologies....
Original languageEnglish
Number of pages9
Publication statusPublished - Aug 2016

ASJC Scopus subject areas

  • Astronomy and Astrophysics


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