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The magnetic field of the planet-hosting star τ Bootis

✍ Scribed by C. Catala; J.-F. Donati; E. Shkolnik; D. Bohlender; E. Alecian


Book ID
111334701
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
818 KB
Volume
374
Category
Article
ISSN
1745-3925

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A magnetic cycle of τ Bootis? The corona
✍ K. Poppenhaeger; H.M. Günther; J.H.M.M. Schmitt 📂 Article 📅 2012 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB

## Abstract __τ__ Bootis is a late F‐type main sequence star orbited by a Hot Jupiter. During the last years spectropolarimetric observations led to the hypothesis that this star may host a global magnetic field that switches its polarity once per year, indicating a very short activity cycle of onl