2 papers
astro-ph.SR2026
Quantifying sunspot group nesting with density-based unsupervised clustering
Nurdan Karapinar, Emre Isik, Natalie A. Krivova +1
Sunspot groups often emerge in spatial-temporal clusters, known as nests or complexes of activity. Quantifying how frequently such nesting occurs is important for understanding the…
astro-ph.EP2024
A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations
Kento Masuda, Jessica E. Libby-Roberts, John H. Livingston +49
Kepler-51 is a -old Sun-like star hosting three transiting planets with radii - and orbital periods -$130\,\mathrm{day…