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Magnetic cycles of the planet-hosting star τ Bootis

✍ Scribed by J.-F. Donati; C. Moutou; R. Farès; D. Bohlender; C. Catala; M. Deleuil; E. Shkolnik; A. C. Cameron; M. M. Jardine; G. A. H. Walker

Book ID
110843189
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
269 KB
Volume
385
Category
Article
ISSN
0035-8711

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A magnetic cycle of τ Bootis? The corona
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✍ 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