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arxiv: 1310.4786 · v1 · pith:UTNS5JFKnew · submitted 2013-10-15 · 🌌 astro-ph.SR

Activity on a Li-rich giant: DI Psc revisited

classification 🌌 astro-ph.SR
keywords activityli-richrotationantisolar-typebrieflyconnectioncurrentcycles
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We present a new Doppler imaging study for the Li-rich single K-giant DI Psc. Surface temperature maps are reconstructed for two subsequent rotation cycles. From the time evolution of the spot distribution antisolar-type differential rotation pattern is revealed. We show marks of non-uniform Li-abundance as well. The possible connection between the current evolutionary phase of the star and its magnetic activity is briefly discussed.

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