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Colin Stuart 🔭 @colinstuartspace.bsky.social · 06/04/2026

A starspot on Zeta Andromedae. That’s a surface feature on a star 181 light years away. #astronomy ⚛️🧪 Image: Roettenbacher et al

dfphil @dfphil.bsky.social · 06/04/2026

Here we go (but without the cool animation) arxiv.org/abs/2603.18144

Interferometric Images of the Starspot Evolution of $ζ$ Andromedae

The evolution of starspots of the giant primaries of RS CVn systems is typically detected indirectly with photometric and spectroscopic monitoring. These observations suggest slowly-evolving stellar s...