Mercury sodium exospheric emission as a proxy for solar perturbations transit

Stefano Orsini1, Valeria Mangano1, Anna Milillo1, Christina Plainaki2, Alessandro Mura3, Jim M Raines4, Monica Laurenza5, Elisabetta De Angelis3, Rosanna Rispoli1, Francesco Lazzarotto1 and Alessandro Aronica1, (1)INAF-IAPS, Rome, Italy, (2)ASI, Rome, Italy, (3)IAPS-INAF, Rome, Italy, (4)University of Michigan, Ann Arbor, United States, (5)INAF-Istituto di Astrofisica e Planetologia Spaziali, Roma, Italy