X-Ray Evidence for Flare Density Variations and Continual Chromospheric Evaporation in Proxima Centauri

Manuel Guedel, Marc Audard, Stephen L. Skinner +1

Using the XMM-Newton X-ray observatory to monitor the nearest star to the Sun, Proxima Centauri, we recorded the weakest X-ray flares on a magnetically active star ever observed. C…