Sun-as-a-Star Observation of Flares in Lyman α by the PROBA2/LYRA radiometer

M. Kretzschmar, M. Dominique, I. E. Dammasch

There are very few reports of flare signatures in the solar irradiance at H i Lyman α at 121.5 nm, i.e. the strongest line of the solar spectrum. The LYRA radiometer onboard PROBA2…