Stuttgart 2012 – wissenschaftliches Programm
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EP: Fachverband Extraterrestrische Physik
EP 14: Poster Sonne und Heliosphäre
EP 14.12: Poster
Mittwoch, 14. März 2012, 16:30–19:00, Poster.V
In-situ measurements of energetic particles with the SupraThermal Electrons, Ions and Neutrals sensor onboard Solar Orbiter. — •Christoph Terasa1, Victor de Manuel1, Sebastian Boden1, Cesar Martin1, Lars Seimetz1, Stefan Kolbe1, Stephan Böttcher1, Alexander Kulemzin1, Björn Schuster1, Ho Jin2, Dong-Hun Lee2, Robert P. Lin3, and Robert F. Wimmer-Schweingruber1 — 1Christian-Albrechts-Universität, Kiel, Germany — 2Kyung-Hee University, Yongin, Republic of Korea — 3Space Sciences Laboratory, Berkeley, CA, USA
The SupraThermal Electrons, Ions and Neutrals (STEIN) sensor is part of the Energetic Particle Detector (EPD) instrument suite onboard the upcoming Solar Orbiter mission. Solar Orbiter will be launched in 2017 and reach a perihelion of up to 0.3 AU. This will provide unprecedented opportunities for remote and in-situ studies of the solar corona and the heliosphere.
The STEIN sensor will provide low energy measurements for electrons, ions and neutral particles from a few keV up to 100 keV. Its two telescopes will enable detection of sunward and anti-sunward particle fluxes. Each telescope features several solid state detector pixels and an electrostatic deflection system. This combination allows to determine pitch-angle distributions of incident charged particles.
We present the design of the sensor along with studies of the energetic and angular detector response. We will assess the predicted performance in comparison with previous in-situ energetic particle measurements in the given energy range.