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Título:
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In-flight Diagnostics in LISA Pathfinder
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Autor/a:
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Lobo Gutiérrez, José Alberto; Nofrarías, M.; Ramos Castro, Juan José; Sanjuan, J.; Conchillo, A; Ortega, J.A.; Xirgu, X; Araujo, H.; Boatella, C.; Chmeissani, M.; Grimani, C.; Puigdengoles, C.; Wass, P.; García-Berro Montilla, Enrique; García, S.; Martínez, L.M.; Montero, G.
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Otros autores:
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Universitat Politècnica de Catalunya. Departament de Física Aplicada; Universitat Politècnica de Catalunya. GAA - Grup d'Astronomia i Astrofísica |
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Abstract:
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LISA PathFinder (LPF) will be flown with the objective to test in space key technologies
for LISA. However its sensitivity goals are, for good reason, one order of magnitude less than those which LISA will have to meet, both in drag-free and optical metrology requirements, and in the observation frequency band. While the expected success of LPF will of course be of itself a major step forward to LISA, one might not forget that a further improvement by an order of
magnitude in performance will still be needed. Clues for the last leap are to be derived from proper disentanglement of the various sources of noise which contribute to the total noise, as measured in flight during the PathFinder mission. This paper describes the principles, workings and requirements of one of the key tools to serve the above objective: the diagnostics subsystem. This consists in sets of temperature, magnetic field, and particle counter sensors, together with generators of controlled thermal and magnetic perturbations. At least during the commissioning phase, the latter will be
used to identify feed-through coefficients between diagnostics sensor readings and associated actual noise contributions. A brief progress report of the current state of development of the diagnostics subsystem will be given as well. |
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Abstract:
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Peer Reviewed |
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Materia(s):
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-Àrees temàtiques de la UPC::Física
-Gravity waves
-Gravity waves
-LISA
-LISA Pathfinder
-Diagnostics
-Ones gravitacionals |
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Derechos:
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Tipo de documento:
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Objeto de conferencia |
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Editor:
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American Institute of Physics
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