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Combining Ground and Space-based Observations to Find EvryFlare

28 Jan 2020, 17:00 UTC
Combining Ground and Space-based Observations to Find EvryFlare
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Editor’s note: Astrobites is a graduate-student-run organization that digests astrophysical literature for undergraduate students. As part of the partnership between the AAS and astrobites, we occasionally repost astrobites content here at AAS Nova. We hope you enjoy this post from astrobites; the original can be viewed at astrobites.org.
Title: EvryFlare. I. Long-term Evryscope Monitoring of Flares from the Cool Stars across Half the Southern Sky
Authors: Ward S. Howard, Hank Corbett, Nicholas M. Law, et al.
First Author’s Institution: University of North Carolina at Chapel Hill
Status: Published in ApJ
For Sun-sized and smaller stars, energy is transported to the surface by roiling columns of convection. These convective bubbles twist up the magnetic fields at the surface and drive sudden, violent releases of energy through flares. Although flare events from the Sun are relatively inconsequential, stars smaller than the Sun have been observed to produce superflares strong enough to remove a planet’s protective ozone layer and kill all but the hardiest lifeforms.
Finding Evry Flare
Many potentially habitable planets are being discovered around low-mass stars. To better understand the viability of these worlds for harboring life, it its crucial to understand how and where these flare and superflare events can ...

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