Oct 27 – 31, 2025
Europe/Stockholm timezone

Effects of the September 2014 CMEs chain in the inner Solar System and the response of the Martian ionosphere.

Oct 31, 2025, 8:42 AM
12m
Tonsalen

Tonsalen

Oral CD7 - Space weather at unmagnetized or weakly magnetized solar system objects CD7 - Space weather at unmagnetized or weakly magnetized solar system objects

Speaker

Alessandro Ippolito (INGV)

Description

A chain of CME events, occured on September 2014, led to strong perturbations in the interplanetary magnetic field and remarkable enhancements in the energetic particle fluxes measured at different heliospheric distances. We conducted a multi-spacecraft and multi-parameter analysis of such intense events, using observations from a fleet of spacecraft distributed in the inner Solar System, such as STEREO B, MESSENGER , Mars Express, SOHO. A characterization of the interaction between Coronal Mass Ejections and the inner planets of the Solar System is presented, focusing on some of the main effects on each planetary environment. Besides, we applied a numerical simulation to reconstruct the magnetic connection from Mercury, Earth and Mars to the solar corona in the dates when the CME events occurred, in order to enrich the interpretation of the data providing a more general theoretical frame. The aim of the work we present is to offer a detailed cause-and-effect framework for studying space weather events in the Solar System, allowing us to obtain a more global picture of the related phenomena in action.

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