Astronomers Perplexed: Rapid Pole Shifts Confirmed For Tau Boo

The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a little brighter than our Sun. It is located 51 light years away in the constellation of Boötes. It is host to a giant exoplanet about six times the mass of Jupiter, which orbits Tau Boo every 3.3 days. Artist’s impression of the magnetic field of Tau Boötis.



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