Articles | Volume 9, issue 2
Research article
11 Dec 2020
Research article |  | 11 Dec 2020

Maximum-variance gradiometer technique for removal of spacecraft-generated disturbances from magnetic field data

Ovidiu Dragoş Constantinescu, Hans-Ulrich Auster, Magda Delva, Olaf Hillenmaier, Werner Magnes, and Ferdinand Plaschke

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Cited articles

Angelopoulos, V.: The THEMIS mission, Space Sci. Rev., 141, 5–34,, 2008. a
Auster, H. U., Glassmeier, K. H., Magnes, W., Aydogar, O., Constantinescu, O. D., Fischer, D., Fornaçon, K. H., Georgescu, E., Harvey, P., Hillenmaier, O., Kroth, R., Ludlam, M., Narita, Y., Okrafka, K., Plaschke, F., Richter, I., Schwarzl, H., Stoll, B., Valavanoglu, A., and Wiedemann, M.: The THEMIS fluxgate magnetometer, Space Sci. Rev., 141, 235–264,, 2008. a
Auster, U., Magnes, W., Delva, M., Valavanoglou, A., Leitner, S., Hillenmaier, O., Strauch, C., Brown, P., Whiteside, B., Bendyk, M., Hilgers, A., Kraft, S., Luntama, J. P., and Seon, J.: Space Weather Magnetometer Set with Automated AC Spacecraft Field Correction for GEO-KOMPSAT-2A, in: ESA Workshop on Aerospace EMS, Vol. 738, ESA Special Publication, p. 37, 2016. a
Balogh, A.: Planetary Magnetic Field Measurements: Missions and Instrumentation, Space Sci. Rev., 152, 23–97,, 2010. a
Behannon, K. W., Acuna, M. H., Burlaga, L. F., Lepping, R. P., Ness, N. F., and Neubauer, F. M.: Magnetic Field Experiment for Voyagers 1 and 2, Space Sci. Rev., 21, 235–257,, 1977. a
Short summary
We propose a gradiometer-based technique for cleaning multi-sensor magnetic field data acquired on board spacecraft. The technique takes advantage on the fact that the maximum-variance direction of many AC disturbances on board spacecraft does not change over time. We apply the proposed technique to the SOSMAG instrument on board GeoKompsat-2A. We analyse the performance and limitations of the technique and discuss in detail how various disturbances are removed.