In-flight thermal experiments for LISA Pathfinder: Simulating temperature noise at the Inertial Sensors

10th International LISA Symposium

Gibert, F.^1 ; Nofrarias, M.^1 ; Armano, M.^2 ; Audley, H.^3 ; Auger, G.^4 ; Baird, J.^14 ; Binetruy, P.^4 ; Born, M.^3 ; Bortoluzzi, D.^5,8 ; Brandt, N.^6 ; Bursi, A.^20 ; Caleno, M.^7 ; Cavalleri, A.^8 ; Cesarini, A.^8 ; Cruise, M.^9 ; Danzmann, K.^3 ; Diepholz, I.^3 ; Dolesi, R.^8 ; Dunbar, N.^10 ; Ferraioli, L.^11 ; Ferroni, V.^8 ; Fitzsimons, E.^6 ; Freschi, M.^2 ; Gallegos, J.^2 ; Marirrodriga, C. García^7 ; Gerndt, R.^6 ; Gesa, Ll^1 ; Giardini, D.^11 ; Giusteri, R.^8 ; Grimani, C.^12 ; Harrison, I.^13 ; Heinzel, G.^3 ; Hewitson, M.^3 ; Hollington, D.^14 ; Hueller, M.^8 ; Huesler, J.^7 ; Inchauspé, H.^4 ; Jennrich, O.^7 ; Jetzer, P.^15 ; Johlander, B.^7 ; Karnesis, N.^1 ; Kaune, B.^3 ; Korsakova, N.^3 ; Killow, C.^16 ; Lloro, I.^1 ; Maarschalkerweerd, R.^13 ; Madden, S.^7 ; Maghami, P.^19 ; Mance, D.^11 ; Martín, V.^1 ; Martin-Porqueras, F.^2 ; Mateos, I.^1 ; McNamara, P.^7 ; Mendes, J.^13 ; Mendes, L.^2 ; Moroni, A.^20 ; Paczkowski, S.^3 ; Perreur-Lloyd, M.^16 ; Petiteau, A.^4 ; Pivato, P.^8 ; Plagnol, E.^4 ; Prat, P.^4 ; Ragnit, U.^7 ; Ramos-Castro, J.^17,18 ; Reiche, J.^3 ; Perez, J. A. Romera^7 ; Robertson, D.^16 ; Rozemeijer, H.^7 ; Russano, G.^8 ; Sarra, P.^20 ; Schleicher, A.^6 ; Slutsky, J.^19 ; Sopuerta, C.F.^1 ; Sumner, T.^14 ; Texier, D.^2 ; Thorpe, J.^19 ; Trenkel, C.^10 ; Tu, H.B.^8 ; Vetrugno, D.^8 ; Vitale, S.^8 ; Wanner, G.^3 ; Ward, H.^16 ; Waschke, S.^14 ; Wass, P.^14 ; Wealthy, D.^10 ; Wen, S.^8 ; Weber, W.^8 ; Wittchen, A.^3 ; Zanoni, C.^5 ; Ziegler, T.^6 ; Zweifel, P.^11

Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Facultat de Ciències, Bellaterra

08193, Spain^1

European Space Astronomy Centre, European Space Agency, Villanueva-de-la-Cañada, Madrid

28692, Spain^2

Albert-Einstein-Institut, Max-Planck-Institut für Gravitationsphysik, Universität Hannover, Hannover

30167, Germany^3

APC UMR7164, Université Paris Diderot, Paris, France^4

Department of Industrial Engineering, University of Trento, via Sommarive 9, Trento

38123, Italy^5

Airbus Defence and Space, Claude-Dornier-Strasse, Immenstaad

88090, Germany^6

European Space Technology Centre, European Space Agency, Keplerlaan 1, Noordwijk

2200 AG, Netherlands^7

Dipartimento di Fisica, Università di Trento, Trento Institute for Fundamental Physics and Application / INFN, Povo, Trento

38123, Italy^8

Department of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom

(10) Airbus Defence and Space, Gunnels Wood Road, Hertfordshire, Stevenage

SG1 2AS, United Kingdom

(11) Institut für Geophysik, ETH Zürich, Sonneggstrasse 5, Zürich

CH-8092, Switzerland

(12) Istituto di Fisica, Università Degli Studi di Urbino, INFN Urbino (PU), Italy

(13) European Space Operations Centre, European Space Agency, Darmstadt

64293, Germany

(14) Blackett Laboratory, Imperial College London, United Kingdom

(15) Physik Institut, Universität Zürich, Winterthurerstrasse 190, Zürich

CH-8057, Switzerland

(16) Institute for Institute for Gravitational Research, School of Physics and Astronomy, University of Glasgow, Glasgow

G12 8QQ, United Kingdom

(17) Department d'Enginyeria Electrònica, Universitat Politècnica de Catalunya, Barcelona

08034, Spain

(18) Institut d'Estudis Espacials de Catalunya (IEEC), C/ Gran Capità 2-4, Barcelona

08034, Spain

(19) NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt

MD

20771, United States

(20) CGS S.p.A, Compagnia Generale per Lo Spazio, Via Gallarate, 150, Milan

20151, Italy^9

关键词: Gravitational wave detectors;    Inertial sensor;    Instrument performance;    Lisa technology packages;    Temperature fluctuation;    Thermal diagnostics;    Thermal experiment;    Whole spacecraft;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/610/1/012023/pdf
DOI  :  10.1088/1742-6596/610/1/012023

来源: IOP

【 摘 要 】

Thermal Diagnostics experiments to be carried out on board LISA Pathfinder (LPF) will yield a detailed characterisation of how temperature fluctuations affect the LTP (LISA Technology Package) instrument performance, a crucial information for future space based gravitational wave detectors as the proposed eLISA. Amongst them, the study of temperature gradient fluctuations around the test masses of the Inertial Sensors will provide as well information regarding the contribution of the Brownian noise, which is expected to limit the LTP sensitivity at frequencies close to 1 mHz during some LTP experiments. In this paper we report on how these kind of Thermal Diagnostics experiments were simulated in the last LPF Simulation Campaign (November, 2013) involving all the LPF Data Analysis team and using an end-to-end simulator of the whole spacecraft. Such simulation campaign was conducted under the framework of the preparation for LPF operations.