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Jena 2013 – scientific programme

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EP: Fachverband Extraterrestrische Physik

EP 11: Sonne und Heliosphäre III

EP 11.7: Talk

Friday, March 1, 2013, 13:00–13:15, HS 9

Energetic neutral atoms from the outer heliosphere and the thickness of the heliosheath — •Martin Hilchenbach — Max-Planck-Institut für Sonnensystemforschung, Katlenburg-Lindau, Germany

The particle instrument CELIAS/HSTOF onboard SOHO is observing the energetic neutral atom (ENA) flux in the ecliptic plane since 1996. During quiet time periods, the ENA flux is well separated from the energetic ion flux, originating in the solar corona and/ or heliosphere. The instrument is capable to measure the energetic neutral hydrogen (ENH) and helium (ENHe) fluxes along the line-of-sight of the instrument field-of-view. We will discuss the neutral energetic flux measurements of hydrogen and helium in the 28 to 88 keV/n energy/mass range of CELIAS/HSTOF and the resulting thickness of the heliosheath.

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