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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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https://doi.org/10.5194/gi-2020-12
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-2020-12
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 25 May 2020

Submitted as: research article | 25 May 2020

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This preprint is currently under review for the journal GI.

Radiation tolerance of the PNI RM3100 magnetometer for a Europa lander mission

Leonardo H. Regoli1,2, Mark B. Moldwin1, Connor Raines1, Tom A. Nordheim3, Cameron A. Miller4, Martin Carts5, and Sara A. Pozzi4 Leonardo H. Regoli et al.
  • 1Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, Michigan, USA
  • 2The Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA
  • 3Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA
  • 4Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, Michigan, USA
  • 5Civil Servant, Radiation Effects & Analysis Group, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA

Abstract. The results of two radiation test campaigns on a low-cost commercial off-the-shelf magnetometer are presented. The test setup and the total ionization dose (TID) levels studied were designed to meet the requirements of a mission to land on Europa. Based on the Europa Lander Science Definition Team report, instruments inside an aluminum vault at the surface of Europa would need to withstand TID of up to 300 krad(SI). In order to evaluate the performance of the PNI RM3100 magnetometer, nine separate sensors were irradiated at two different facilities during two separate campaigns and under different configurations, including passive and active tests. Of the nine sensors, seven survived the TID of 300 krad(SI) while the other two sensors started presenting failures after reaching 150 krad(SI). Post-irradiation tests showed that eight of the nine sensors continued to work without appreciable degradation after stopping exposure, while one sensor stopped working altogether.

Leonardo H. Regoli et al.

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Sensor data for "Radiation tolerance of the PNI RM3100 magnetometer for a Europa lander mission" L. H. Regoli https://doi.org/10.7302/hs4j-7064

Leonardo H. Regoli et al.

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Latest update: 06 Jul 2020
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Short summary
One of the four Galilean moons of Jupiter, Europa, is one of the most promising places in the solar system to find life outside Earth. For this reason, the space science community is currently focused on exploring it. One of the main difficulties of such task is the harsh radiation environment, caused by the radiation belts of Jupiter. In this paper we present results for a magnetic fields sensor being exposed to radiation levels similar to those expected at the surface of Europa.
One of the four Galilean moons of Jupiter, Europa, is one of the most promising places in the...
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