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Preprints
https://doi.org/10.5194/angeo-2023-33
https://doi.org/10.5194/angeo-2023-33
09 Nov 2023
 | 09 Nov 2023
Status: this preprint was under review for the journal ANGEO but the revision was not accepted.

Subauroral Crosstalk in POES/Metop TED proton channels

Jan Maik Wissing and Olesya Yakovchuk

Abstract. Particle measurements are used for various purposes. The medium energy channels on the POES/Metop satellites, the MEPED channels, are widely used, for example in atmospheric ionization models, their low energy (eV and keV) counterpart, the TED detector, is not that popular. However the recent rise of the ionization/climate model altitudes will lead to increased interest in these low energy particle measurements.

This paper analyses MEPED and TED particle data from NOAA POES and Metop during 2001–2018 and shows that in particlular the TED proton channels (but also MEPED electron channels and MEPED proton channels P2 and P3) are contaminated by high background levels a L < 6. In some channels that may surpass typical auroral levels. We determined a Kp and channel dependent latitude boundary that might be used as (preliminary) cut of the contaminated area.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
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Short summary
We investigated a subauroral particle flux maximum (located at 60 N/S with focus at 0–100 E)...
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