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Searching for QPPs in M dwarf Flares in the GALEX survey

Presentation #141.08 in the session “Stellar Rotation, Variability, and Flares”.

Published onJan 11, 2021
Searching for QPPs in M dwarf Flares in the GALEX survey

We examine time-resolved flares on nearby M dwarfs observed serendipitously by GALEX in the ultraviolet for evidence of quasi-periodic pulsations (QPP) with characteristic periods <10 minutes. GALEX is well-suited for this analysis due to its millisecond resolution of photon events and a bandpass in which the contrast is maximized between the M dwarfs and flares. The processes that give rise to QPPs are not currently well understood, and there have been few prior observations of short-period QPPs on stars other than the sun.


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