Spacecraft and interplanetary contributions to the magnetic environment on-board LISA pathfinder
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Cita com:
hdl:2117/329810
Tipus de documentArticle
Data publicació2020-05-01
EditorOxford University Press
Condicions d'accésAccés obert
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ProjecteCONTRIBUCION ESPAÑOLA A LISA PATHFINDER Y DESARROLLO DE LISA (MICINN-AYA2010-15709)
DESARROLLO Y EXPLOTACION DE LA MISION LISA PATHFINDER Y CONTRIBUCIONES AL UNIVERSO GRAVITATORIO Y STE-QUEST (MINECO-ESP2013-47637-P)
DE LISA PATHFINDER A LA MISION L3 DE ESA: HACIA LA ASTRONOMIA DE ONDAS GRAVITATORIAS DESDE EL ESPACIO (MINECO-ESP2015-67234-P)
DESARROLLO Y EXPLOTACION DE LA MISION LISA PATHFINDER Y CONTRIBUCIONES AL UNIVERSO GRAVITATORIO Y STE-QUEST (MINECO-ESP2013-47637-P)
DE LISA PATHFINDER A LA MISION L3 DE ESA: HACIA LA ASTRONOMIA DE ONDAS GRAVITATORIAS DESDE EL ESPACIO (MINECO-ESP2015-67234-P)
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. LPF carried on-board a dedicated magnetic measurement subsystem with noise levels of 10 nT Hz-1/2 from 1 Hz down to 1 mHz. In this paper we report on the magnetic measurements throughout LPF operations. We characterize the magnetic environment within the spacecraft, study the time evolution of the magnetic field and its stability down to 20 µHz, where we measure values around 200 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 characterize the non-stationary component of the fluctuations of the magnetic field below the mHz and relate them to the dynamics of the solar wind.
Descripció
This is a pre-copyedited, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The version of record Armano, Michele, et al. "Spacecraft and interplanetary contributions to the magnetic environment on-board LISA Pathfinder." Monthly Notices of the Royal Astronomical Society 494.2 (2020): 3014-3027. is available online at: https://academic.oup.com/mnras/article-abstract/494/2/3014/5822062?redirectedFrom=fulltext
CitacióArmano, M. [et al.]. Spacecraft and interplanetary contributions to the magnetic environment on-board LISA pathfinder. "Monthly notices of the Royal Astronomical Society", 1 Maig 2020, vol. 494, núm. 2, p. 3014-3027.
ISSN0035-8711
Versió de l'editorhttps://academic.oup.com/mnras/article-abstract/494/2/3014/5822062
Altres identificadorshttps://arxiv.org/abs/2005.03423
Col·leccions
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2005.03423.pdf | 2,723Mb | Visualitza/Obre |