The polarization of the Lyman-$\alpha$ lines of H I and He II as a tool for exploring the solar corona

Supriya Hebbur Dayananda, Javier Trujillo Bueno, Ángel de Vicente +1

The near-Earth space weather is driven by the quick release of magnetic free energy in the solar corona. Probing this extremely hot and rarified region of the extended solar atmosp…