Frequent flaring in the TRAPPIST-1 system - unsuited for life?

Krisztián Vida, Zsolt Kővári, András Pál +2

We analyze short cadence K2 light curve of the TRAPPIST-1 system. Fourier analysis of the data suggests $P_{\mathrm{rot}}=3.295\pm 0.003$ days. The light curve shows several flares, o…