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  Spacecraft and interplanetary contributions to the magnetic environment on-board LISA Pathfinder

Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., et al. (2020). Spacecraft and interplanetary contributions to the magnetic environment on-board LISA Pathfinder. Monthly Notices of the Royal Astronomical Society, 494(2), 3014-3027. doi:10.1093/mnras/staa830.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-7037-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-703B-A
Genre: Journal Article

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Armano, M., Author
Audley, H.1, Author              
Baird, J., Author
Binetruy, P., Author
Born, M.1, Author              
Bortoluzzi, D., Author
Castelli, E., Author
Cavalleri, A., Author
Cesarini, A., Author
Cruise, A. M., Author
Danzmann, K.1, Author              
Silva, M. de Deus, Author
Diepholz, I.1, Author              
Dixon, G., Author
Dolesi, R., Author
Ferraioli, L., Author
Ferroni, V., Author
Fitzsimons, E. D., Author
Freschi, M., Author
Gesa, L., Author
Gibert, F., AuthorGiardini, D., AuthorGiusteri, R., AuthorGrimani, C., AuthorGrzymisch, J., AuthorHarrison, I., AuthorHartig, M-S., AuthorHeinzel, G.1, Author              Hewitson, M.2, Author              Hollington, D., AuthorHoyland, D., AuthorHueller, M., AuthorInchauspé, H., AuthorJennrich, O., AuthorJetzer, P., AuthorKarnesis, N., AuthorKaune, B.1, Author              Korsakova, N., AuthorKillow, C. J., AuthorLobo, J. A., AuthorLiu, L., AuthorLópez-Zaragoza, J. P., AuthorMaarschalkerweerd, R., AuthorMance, D., AuthorMartín, V., AuthorMartin-Polo, L., AuthorMartino, J., AuthorMartin-Porqueras, F., AuthorMateos, I., AuthorMcNamara, P. W., AuthorMendes, J., AuthorMendes, L., AuthorMeshksar, N., AuthorNofrarias, M., AuthorPaczkowski, S.1, Author              Perreur-Lloyd, M., AuthorPetiteau, A., AuthorPivato, P., AuthorPlagnol, E., AuthorRamos-Castro, J., AuthorReiche, J.1, Author              Rivas, F., AuthorRobertson, D. I., AuthorRoma-Dollase, D., AuthorRussano, G., AuthorSlutsky, J., AuthorSopuerta, C. F., AuthorSumner, T., AuthorTelloni, D., AuthorTexier, D., AuthorThorpe, J. I., AuthorTrenkel, C., AuthorVetrugno, D., AuthorVitale, S., AuthorWanner, G.1, Author              Ward, H., AuthorWass, P. J., AuthorWealthy, D., AuthorWeber, W. J., AuthorWissel, L.1, Author              Wittchen, A., AuthorZweifel, P., Author more..
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: LISA Pathfinder (LPF) has been a space-based mission designed to test new technologies that will be required for a gravitational wave observatory in space. Magnetically driven forces play a key role in the instrument sensitivity in the low-frequency regime (mHz and below), the measurement band of interest for a space-based observatory. The magnetic field can couple to the magnetic susceptibility and remanent magnetic moment from the test masses and disturb them from their geodesic movement. LISA Pathfinder carried on-board a dedicated magnetic measurement subsystem with noise levels of 10 $ \rm nT \ Hz^{-1/2}$ from 1 Hz down to 1 mHz. In this paper we report on the magnetic measurements throughout LISA Pathfinder operations. We characterise the magnetic environment within the spacecraft, study the time evolution of the magnetic field and its stability down to 20 $\mu$Hz, where we measure values around 200 $ \rm nT \ Hz^{-1/2}$ and identify two different frequency regimes, one related to the interplanetary magnetic field and the other to the magnetic field originating inside the spacecraft. Finally, we characterise the non-stationary component of the fluctuations of the magnetic field below the mHz and relate them to the dynamics of the solar wind.

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 Dates: 2020-05-072020
 Publication Status: Published in print
 Pages: 16 pages, 17 figures. MNRAS LaTeX style file version 3.0
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2005.03423
DOI: 10.1093/mnras/staa830
URI: http://arxiv.org/abs/2005.03423
 Degree: -

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Title: Monthly Notices of the Royal Astronomical Society
Source Genre: Journal
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Pages: - Volume / Issue: 494 (2) Sequence Number: - Start / End Page: 3014 - 3027 Identifier: -