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Conference papers

Validation and characterisation of the Sweeping Langmuir Probe (SLP) instrument for the PICASSO mission

Abstract : The Sweeping Langmuir Probe (SLP) instrument, that uses a novel measurement technique to take into account spacecraft charging effects, has been developed at the Royal Belgian Institute for Space Aeronomy. SLP will fly on board the ESA scientific in-orbit demonstrator PICASSO together with the hyper-spectral imager VISION. PICASSO, a triple unit CubeSat, will be launched in March 2020. The goal of the mission is to prove the feasibility of performing true science (with limited extent) with a nano-satellite and demonstrate the very low cost / science ratio with respect to big missions. SLP will allow a global monitoring of the ionosphere with a maximum spatial resolution of the order of 150 m. The main goals are to study the ionosphere-plasmasphere coupling, the subauroral ionosphere and corresponding magnetospheric features together with auroral structures and polar caps, by combining SLP data with other complementary data sources (space- or ground-based instruments). SLP can measure plasma density from 1e8/m³ up to 1e13/m³ and electron temperature up to 15 000 K.We will present the main results from the validation tests performed in the plasma chamber at ESTEC together with comparisons with particle-in-cell (PIC) simulations performed with SPIS (Spacecraft Plasma Interaction System).
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Submitted on : Tuesday, February 8, 2022 - 9:27:39 AM
Last modification on : Tuesday, May 10, 2022 - 3:24:56 PM
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Sylvain Ranvier, Michel Anciaux, Jean-Pierre Lebreton, Johan de Keyser. Validation and characterisation of the Sweeping Langmuir Probe (SLP) instrument for the PICASSO mission. 22nd EGU General Assembly, 2020, Online, France. ⟨10.5194/egusphere-egu2020-14126⟩. ⟨insu-03560751⟩

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