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PHEBUS observations of the He 58.4 nm emission during Bepi Colombo's first Mercury Flyby

Dimitra Koutroumpa 1 Eric Quémerais 1 Rozenn Robidel 1 Jean-Yves Chaufray 1 
1 HELIOS - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : We present observations of the He 58.4 nm emission performed with the EUV channel of the PHEBUS spectrometer on board ESA’s Mercury Planetary Orbiter during Bepi Colombo’s first Mercury Flyby in October 2021. We describe the data analysis and PHEBUS EUV calibration based on interplanetary He 58.4 nm data from observations during the cruise. We discuss the results in comparison with Mariner 10 measurements at 58.4 nm and models of Mercury’s exosphere.
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Conference papers
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https://hal-insu.archives-ouvertes.fr/insu-03768587
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Submitted on : Sunday, September 4, 2022 - 1:25:12 PM
Last modification on : Monday, September 19, 2022 - 10:24:05 PM

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  • HAL Id : insu-03768587, version 1

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Dimitra Koutroumpa, Eric Quémerais, Rozenn Robidel, Jean-Yves Chaufray. PHEBUS observations of the He 58.4 nm emission during Bepi Colombo's first Mercury Flyby. Mercury 2022 Conference, Jun 2022, Orléans, France. ⟨insu-03768587⟩

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