Using 25 years of OMNI interplanetary magnetic field data, the authors estimate LISA's magnetic acceleration noise at 1 mHz is about 1e-17 m/s^2/sqrt(Hz), well below its requirement.
From laboratory experiments to LISA Pathfinder: achieving LISA geodesic motion
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abstract
This paper presents a quantitative assessment of the performance of the upcoming LISA Pathfinder geodesic explorer mission. The findings are based on the results of extensive ground testing and simulation campaigns using flight hardware and flight control and operations algorithms. The results show that, for the central experiment of measuring the stray differential acceleration between the LISA test masses, LISA Pathfinder will be able to verify the overall acceleration noise to within a factor two of the LISA requirement at 1 mHz and within a factor 6 at 0.1 mHz. We also discuss the key elements of the physical model of disturbances, coming from LISA Pathfinder and ground measurement, that will guarantee the LISA performance.
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physics.space-ph 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
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Acceleration noise due to Space Magnetic Field for Heliocentric Gravitational Wave Detector
Using 25 years of OMNI interplanetary magnetic field data, the authors estimate LISA's magnetic acceleration noise at 1 mHz is about 1e-17 m/s^2/sqrt(Hz), well below its requirement.