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  LISA Pathfinder Platform Stability and Drag-free Performance

LISA Pathfinder Collaboration, Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., et al. (2019). LISA Pathfinder Platform Stability and Drag-free Performance. Physical Review D, 99: 082001. doi:10.1103/PhysRevD.99.082001.

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 Urheber:
LISA Pathfinder Collaboration, Autor              
Armano, Michele, Autor
Audley, Heather1, Autor           
Baird, Jonathon, Autor
Binetruy, Pierre, Autor
Born, Michael1, Autor           
Bortoluzzi, Daniele, Autor
Castelli, Eleanora, Autor
Cavalleri, Antonella, Autor
Cesarini, Andrea, Autor
Cruise, Mike, Autor
Danzmann, Karsten1, Autor           
de Deus Silva, Marcus , Autor
Diepholz, Ingo1, Autor           
Dixon, George, Autor
Dolesi, Rita, Autor
Ferraioli, Luigi, Autor
Ferroni, Valerio, Autor
Fitzsimons, Ewan, Autor
Freschi, Mario, Autor
Gesa, Luis, AutorGibert, Ferran, AutorGiardini, Domenico, AutorGiusteri, Roberta, AutorGrimani, Catia, AutorGrzymisch, Jonathan, AutorHarrison, Ian, AutorHeinzel, Gerhard, AutorHewitson, Martin2, Autor           Hollington, Daniel, AutorHoyland, David, AutorHueller, Mauro, AutorInchauspe, Henri, AutorJennrich, Oliver, AutorJetzer, Philippe, AutorKarnesis, Nikolaos, AutorKaune, Brigitte1, Autor           Korsakova, Natalia, AutorKillow, Christian J, AutorLobo, Alberto, AutorLloro, Ivan, AutorLiu, Li, AutorLopez-Zaragoza, Juan-Pedro P, AutorMaarschalkerweerd, Rolf, AutorMance, Davor, AutorMeshksar, Neda, AutorMartın, V, AutorMartin-Polo, L, AutorMartino, Joseph, AutorMartin-Porqueras, Fernando, AutorMateos, Ignacio, AutorMcNamara, Paul, AutorMendes, Jose, AutorMendes, Luis, AutorNofrarias, Miquel, AutorPaczkowski, Sarah1, Autor           Perreur-Lloyd, Michael, AutorPetiteau, Antoine, AutorPivato, Paolo, AutorPlagnol, Eric, AutorRamos-Castro, Jose, AutorReiche, Jens1, Autor           Robertson, David, AutorRivas, Francisco, AutorRussano, Giuliana, AutorSlutsky, Jacob, AutorSopuerta, Carlos, AutorSumner, Timothy, AutorTexier, Daniel, AutorThorpe, Ira, AutorVetrugno, Daniele, AutorVitale, Stefano, AutorWanner, Gudrun1, Autor           Ward, Harry, AutorWass, Peter, AutorWeber, William, AutorWissel, Lennart1, Autor           Wittchen, Andreas1, Autor           Zweifel, Peter, Autor mehr..
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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Schlagwörter: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Zusammenfassung: The science operations of the LISA Pathfinder mission has demonstrated the
feasibility of sub-femto-g free-fall of macroscopic test masses necessary to
build a LISA-like gravitational wave observatory in space. While the main focus
of interest, i.e. the optical axis or the $x$-axis, has been extensively
studied, it is also of interest to evaluate the stability of the spacecraft
with respect to all the other degrees of freedom. The current paper is
dedicated to such a study, with a focus set on an exhaustive and quantitative
evaluation of the imperfections and dynamical effects that impact the stability
with respect to its local geodesic. A model of the complete closed-loop system
provides a comprehensive understanding of each part of the in-loop coordinates
spectra. As will be presented, this model gives very good agreements with LISA
Pathfinder flight data. It allows one to identify the physical noise source at
the origin and the physical phenomena underlying the couplings. From this, the
performances of the stability of the spacecraft, with respect to its geodesic,
are extracted as a function of frequency. Close to $1 mHz$, the stability of
the spacecraft on the $X_{SC}$, $Y_{SC}$ and $Z_{SC}$ degrees of freedom is
shown to be of the order of $5.0\ 10^{-15} m\ s^{-2}/\sqrt{Hz}$ for X and $4.0
\ 10^{-14} m\ s^{-2}/\sqrt{Hz}$ for Y and Z. For the angular degrees of
freedom, the values are of the order $3\ 10^{-12} rad\ s^{-2}/\sqrt{Hz}$ for
$\Theta_{SC}$ and $3\ 10^{-13} rad\ s^{-2}/\sqrt{Hz}$ for $H_{SC}$ and
$\Phi_{SC}$.

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Sprache(n):
 Datum: 2018-12-132019
 Publikationsstatus: Erschienen
 Seiten: 16 pages, 10 figures
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Art des Abschluß: -

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Titel: Physical Review D
  Andere : Phys. Rev. D.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Lancaster, Pa. : American Physical Society
Seiten: - Band / Heft: 99 Artikelnummer: 082001 Start- / Endseite: - Identifikator: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258