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The Host Stars of Keplers Habitable Exoplanets: Superflares, Rotation and Activity
D. J. Armstrong, C. E. Pugh, A. -M. Broomhall +4
We embark on a detailed study of the lightcurves of Keplers most Earth-like exoplanet host stars using the full length of Kepler data. We derive rotation periods, photometric activ…
A Multi-Period Oscillation in a Stellar Superflare
Chloe E. Pugh, Valery M. Nakariakov, Anne-Marie Broomhall
Flares that are orders of magnitude larger than the most energetic solar flares are routinely observed on Sun-like stars, raising the question of whether the same physical processe…
A Comparison Between Global Proxies of the Sun's Magnetic Activity Cycle: Inferences from Helioseismology
A. -M. Broomhall, V. M. Nakariakov
The last solar minimum was, by recent standards, unusually deep and long. We are now close to the maximum of the subsequent solar cycle, which is relatively weak. In this article w…
Oscillations in stellar superflares
L. A. Balona, A. -M. Broomhall, A. Kosovichev +3
Two different mechanisms may act to induce quasi-periodic pulsations (QPP) in whole-disk observations of stellar flares. One mechanism may be magneto-hydromagnetic (MHD) forces and…