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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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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.1, Author           Heinzel, 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: -
 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: -