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IFE proposed for BepiColombo/MPO

IFE proposed for BepiColombo/MPO. SERENA Search for Exospheric Refilling and Emitted Natural Abundances NPA-IS Neutral Particle Analyser- Ion Spectrometer Units : ELENA : Emitted Low-Energy Neutral Atoms STROFIO : Thermal gas mass spectrometer MIPA : Miniature Ion

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IFE proposed for BepiColombo/MPO

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  1. IFE proposed for BepiColombo/MPO SERENA Search for Exospheric Refilling and Emitted Natural Abundances NPA-IS Neutral Particle Analyser- Ion Spectrometer Units: • ELENA: Emitted Low-Energy Neutral Atoms • STROFIO: Thermal gas mass spectrometer • MIPA: Miniature Ion Precipitation Analyser • PICAM: Planetary Ion CAMera

  2. H/W providing institutions PI: Dr. STEFANO ORSINI, IFSI, Italy

  3. Scientific Objectives SERENA is an experiment able to provide information on the whole surface-exosphere-magnetosphere system and the processes involved in the system as well as in the interaction with the solar wind and the interstellar medium

  4. In conclusion, the interaction between the Hermean environment with energetic plasma particles, solar radiation and micrometeorites originates both thermal and directional neutral populations (via surface release and charge-exchange processes); such populations will be recorded by the NPA-SERENA sensors. The photo-ionized or charged component of the surface release processes as well as the plasma precipitation and circulation in the Hermean magnetosphere will be recorded by the IS-SERENA sensors.

  5. Main scientific objectives of each unit NPA: • ELENA investigates the Hermean escaping neutral gas (strongly linked to its surface), and the processes responsible of such a population. • STROFIO investigates the exospheric gas composition. IS: • MIPA investigates the plasma precipitation toward the surface and ions energized and transported throughout the environment of Mercury. • PICAMinvestigates the exo-ionosphere extension and composition, and the photo-ionization rate of neutrals.

  6. Instrument capabilities

  7. Units FOV

  8. Units Layout STROFIO ELENA PICAM MIPA

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