Abstract
LISA Pathfinder (LPF) tests the concept of low-frequency gravitational wave detection in flight: it puts two test masses into a near-perfect gravitational free fall, controlling and measuring their motion with unprecedented accuracy. LPF’s operational orbit is a 500,000 km by 800,000 km free-insertion orbit around the Lagrange point L1, also called the Sun-Earth libration point 1, which is located about 1.5 million kilometers toward the Sun. This orbit fulfills the disturbance requirements of the LPF technology demonstration package, while providing also an acceptable communication distance of less than 1.8 × 106 km.
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Acknowledgments
The authors wish to thank all the ESA and industry colleagues involved in the development, implementation, and validation of these two new signal acquisition methods, in particular G. Autret, F. Budnik, D. Cano, I. Fernandez, D. Firre, L. Foiadelli, J. Howard, M. Lauer, R. Launer, A. López-Lozano, G. Lorenzo, T. Morley, and G. Ravera.
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Bellei, G., Droll, P., Delhaise, F., Harrison, I., Amend, D. (2017). Laser Interferometer Space Antenna (LISA) Pathfinder: New Methods for Acquisition of Signal After Large Apogee-Raising Maneuvers. In: Cruzen, C., Schmidhuber, M., Lee, Y., Kim, B. (eds) Space Operations: Contributions from the Global Community. Springer, Cham. https://doi.org/10.1007/978-3-319-51941-8_25
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DOI: https://doi.org/10.1007/978-3-319-51941-8_25
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