Stellar flares from Proxima Centauri and TRAPPIST-1 with MOST and Kepler

Speaker: 
James Davenport (Western Washington University)
Event Date and Time: 
Mon, 2017-03-27 15:30 - 16:45
Location: 
Hennings 318
Local Contact: 
Jaymie Matthews
Intended Audience: 
Graduate
The MOST and Kepler space telescopes have pioneered the detection of extrasolar planets using high precision brightness monitoring of stars. With data spanning months to years for each star, these light curves also provide the best census of stellar phenomena including cool starspots and explosive flares. I will present results from studies of flares on active stars observed with Kepler and MOST, including the recently discovered exoplanet host stars TRAPPIST-1 and Proxima Centauri. While these systems host rocky planets in their habitable zones, we have found the frequency of large stellar flares may be a major threat to the formation of life on these worlds, and a challenge to the detection of smaller planets around other active stars.
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