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12 results on '"Reiche, J."'

1. Precision measurements of the magnetic parameters of LISA Pathfinder test masses

Author

Armano, M, Audley, H, Baird, J, Binetruy, P, Born, M, Bortoluzzi, D, Castelli, E, Cavalleri, A, Cesarini, A, Cruise, A M, Danzmann, K, Silva, M De Deus, Diepholz, I, Dixon, G, Dolesi, R, Ferraioli, L, Ferroni, V, Fitzsimons, E D, Freschi, M, Gesa, L, Giardini, D, Gibert, F, Giusteri, R, Grimani, C, Grzymisch, J, Harrison, I, Hartig, M S, Heinzel, G, Hewitson, M, Hollington, D, Hoyland, D, Hueller, M, Inchauspé, H, Jennrich, O, Jetzer, P, Karnesis, N, Kaune, B, Korsakova, N, Killow, C J, Liu, L, Lobo, J A, López-Zaragoza, J P, Maarschalkerweerd, R, Mance, D, Martín, V, Martino, J, Martin-Polo, L, Martin-Porqueras, F, McNamara, P W, Mendes, J, Mendes, L, Meshksar, N, Nofrarias, M, Paczkowski, S, Perreur-Lloyd, M, Petiteau, A, Pivato, P, Plagnol, E, Ramos-Castro, J, Reiche, J, Rivas, F, Robertson, D I, Russano, G, Serrano, D, Slutsky, J, Sopuerta, C F, Sumner, T, Texier, D, Thorpe, J I, Vetrugno, D, Vitale, S, Wanner, G, Ward, H, Wass, P, Weber, W J, Wissel, L, Wittchen, A, and Zweifel, P

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, General Relativity and Quantum Cosmology
Abstract

A precise characterization of the magnetic properties of LISA Pathfinder free falling test-masses is of special interest for future gravitational wave observatory in space. Magnetic forces have an important impact on the instrument sensitivity in the low frequency regime below the millihertz. In this paper we report on the magnetic injection experiments performed throughout LISA Pathfinder operations. We show how these experiments allowed a high precision estimate of the instrument magnetic parameters. The remanent magnetic moment was found to have a modulus of $(0.245\pm0.081)\,\rm{nAm}^2$, the x-component of the background magnetic field within the test masses position was measured to be $(414 \pm 74)$ nT and its gradient had a value of $(-7.4\pm 2.1)\,\mu$T/m. Finally, we also measured the test mass magnetic susceptibility to be $(-3.35\pm0.15)\times$10$^{-5}$ in the low frequency regime. All results are in agreement with on-ground estimates.

Published
2024

2. Magnetic-induced force noise in LISA Pathfinder free-falling test masses

Author

Armano, M, Audley, H, Baird, J, Binetruy, P, Born, M, Bortoluzzi, D, Castelli, E, Cavalleri, A, Cesarini, A, Cruise, A M, Danzmann, K, Silva, M De Deus, Diepholz, I, Dixon, G, Dolesi, R, Ferraioli, L, Ferroni, V, Fitzsimons, E D, Freschi, M, Gesa, L, Giardini, D, Gibert, F, Giusteri, R, Grimani, C, Grzymisch, J, Harrison, I, Hartig, M S, Heinzel, G, Hewitson, M, Hollington, D, Hoyland, D, Hueller, M, Inchauspé, H, Jennrich, O, Jetzer, P, Karnesis, N, Kaune, B, Korsakova, N, Killow, C J, Liu, L, Lobo, J A, López-Zaragoza, J P, Maarschalkerweerd, R, Mance, D, Martín, V, Martino, J, Martin-Polo, L, Martin-Porqueras, F, McNamara, P W, Mendes, J, Mendes, L, Meshksar, N, Nofrarias, M, Paczkowski, S, Perreur-Lloyd, M, Petiteau, A, Pivato, P, Plagnol, E, Ramos-Castro, J, Reiche, J, Rivas, F, Robertson, D I, Russano, G, Serrano, D, Slutsky, J, Sopuerta, C F, Sumner, T, Texier, D, Thorpe, J I, Vetrugno, D, Vitale, S, Wanner, G, Ward, H, Wass, P, Weber, W J, Wissel, L, Wittchen, A, and Zweifel, P

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, General Relativity and Quantum Cosmology
Abstract

LISA Pathfinder was a mission designed to test key technologies required for gravitational wave detection in space. Magnetically driven forces play a key role in the instrument sensitivity in the low-frequency regime, which corresponds to the measurement band of interest for future space-borne gravitational wave observatories. Magnetic-induced forces couple to the test mass motion, introducing a contribution to the relative acceleration noise between the free falling test masses. In this Letter we present the first complete estimate of this term of the instrument performance model. Our results set the magnetic-induced acceleration noise during the February 2017 noise run of $\rm 0.25_{-0.08}^{+0.15}\,fm\,s^{-2}/\sqrt{Hz}$ at 1 mHz and $\rm 1.01_{-0.24}^{+0.73}\, fm\,s^{-2}/\sqrt{Hz}$ at 0.1 mHz. We also discuss how the non-stationarities of the interplanetary magnetic field can affect these values during extreme space weather conditions.

Published
2024

3. NanoNewton electrostatic force actuators for femtoNewton-sensitive measurements: system performance test in the LISA Pathfinder mission

Author

Armano, M, Audley, H, Baird, J, Bassan, M, Binetruy, P, Born, M, Bortoluzzi, D, Castelli, E, Cavalleri, A, Cesarini, A, Chiavegato, V, Cruise, A M, Bosco, D Dal, Danzmann, K, Silva, M De Deus, De Rosa, R, Di Fiore, L, Diepholz, I, Dixon, G, Dolesi, R, Ferroni, L Ferraioli V, Fitzsimons, E D, Freschi, M, Gesa, L, Giardini, D, Gibert, F, Giusteri, R, Grado, A, Grimani, C, Grzymisch, J, Harrison, I, Hartig, M S, Heinzel, G, Hewitson, M, Hollington, D, Hoyland, D, Hueller, M, Inchauspé, H, Jennrich, O, Jetzer, P, Johlander, B, Karnesis, N, Kaune, B, Korsakova, N, Killow, C J, Liu, L, Lobo, J A, López-Zaragoza, J P, Maarschalkerweerd, R, Mance, D, Martín, V, Martin-Polo, L, Martin-Porqueras, F, Martino, J, McNamara, P W, Mendes, J, Mendes, L, Meshksar, N, Moerschell, J, Nofrarias, M, Paczkowski, S, Perreur-Lloyd, M, Petiteau, A, Plagnol, E, Praplan, C, Ramos-Castro, J, Reiche, J, Rivas, F, Robertson, D I, Russano, G, Sala, L, Sarra, P, Schule-Walewski, S L, Slutsky, J, Sopuerta, C F, Stanga, R, Sumner, T, Pierick, J ten, Texier, D, Thorpe, J I, Vetrugno, D, Vitale, S, Wanner, G, Ward, H, Wass, P, Weber, W J, Wissel, L, Wittchen, A, Zanoni, C, and Zweifel, P

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, General Relativity and Quantum Cosmology
Abstract

Electrostatic force actuation is a key component of the system of geodesic reference test masses (TM) for the LISA orbiting gravitational wave observatory and in particular for performance at low frequencies, below 1 mHz, where the observatory sensitivity is limited by stray force noise. The system needs to apply forces of order 10$^{-9}$ N while limiting fluctuations in the measurement band to levels approaching 10$^{-15}$ N/Hz$^{1/2}$. We present here the LISA actuation system design, based on audio-frequency voltage carrier signals, and results of its in-flight performance test with the LISA Pathfinder test mission. In LISA, TM force actuation is used to align the otherwise free-falling TM to the spacecraft-mounted optical metrology system, without any forcing along the critical gravitational wave-sensitive interferometry axes. In LISA Pathfinder, on the other hand, the actuation was used also to stabilize the TM along the critical $x$ axis joining the two TM, with the commanded actuation force entering directly into the mission's main differential acceleration science observable. The mission allowed demonstration of the full compatibility of the electrostatic actuation system with the LISA observatory requirements, including dedicated measurement campaigns to amplify, isolate, and quantify the two main force noise contributions from the actuation system, from actuator gain noise and from low frequency ``in band'' voltage fluctuations. These campaigns have shown actuation force noise to be a relevant, but not dominant, noise source in LISA Pathfinder and have allowed performance projections for the conditions expected in the LISA mission.

Published
2023

4. Temperature stability in the sub-milliHertz band with LISA Pathfinder

Author

Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Castelli, E., Cavalleri, A., Cesarini, A., Cruise, A. M., Danzmann, K., Silva, M. de Deus, Diepholz, I., Dixon, G., Dolesi, R., Ferraioli, L., Ferroni, V., Fitzsimons, E. D., Freschi, M., Gesa, L., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Grzymisch, J., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Inchauspé, H., Jennrich, O., Jetzer, P., Karnesis, N., Kaune, B., Korsakova, N., Killow, C. J., Lobo, J. A., Lloro, I., Liu, L., López-Zaragoza, J. P., Maarschalkerweerd, R., Mance, D., Mansanet, C., Martín, V., Martin-Polo, L., Martino, J., Martin-Porqueras, F., Mateos, I., McNamara, P. W., Mendes, J., Mendes, L., Meshksar, N., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Ramos-Castro, J., Reiche, J., Robertson, D. I., Rivas, F., Russano, G., Sanjuán, J., Slutsky, J., Sopuerta, C. F., Sumner, T., Texier, D., Thorpe, J. I., Trenkel, C., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Wass, P. J., Wealthy, D., Weber, W. J., Wissel, L., Wittchen, A., and Zweifel, P.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, General Relativity and Quantum Cosmology
Abstract

LISA Pathfinder (LPF) was a technology pioneering mission designed to test key technologies required for gravitational wave detection in space. In the low frequency regime (milli-Hertz and below), where space-based gravitational wave observatories will operate, temperature fluctuations play a crucial role since they can couple into the interferometric measurement and the test masses' free-fall accuracy in many ways. A dedicated temperature measurement subsystem, with noise levels in 10$\,\mu$K$\,$Hz$^{-1/2}$ down to $1\,$mHz was part of the diagnostics unit on board LPF. In this paper we report on the temperature measurements throughout mission operations, characterize the thermal environment, estimate transfer functions between different locations and report temperature stability (and its time evolution) at frequencies as low as 10$\,\mu$Hz, where typically values around $1\,$K$\,$Hz$^{-1/2}$ were measured., Comment: 13 pages, 16 figures. MNRAS LaTeX style file version 3.0

Published
2019
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5. Free-flight experiments in LISA Pathfinder

Author

Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Cutler, C., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Marirrodriga, C. Garcia., Gerndt, R., Gesa, LI., Gibert, F., Giardini, D., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Korsakova, N., Killow, C., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C. F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H. B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Wittchen, A., Zanoni, C., Ziegler, T., and Zweifel, P.

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The LISA Pathfinder mission will demonstrate the technology of drag-free test masses for use as inertial references in future space-based gravitational wave detectors. To accomplish this, the Pathfinder spacecraft will perform drag-free flight about a test mass while measuring the acceleration of this primary test mass relative to a second reference test mass. Because the reference test mass is contained within the same spacecraft, it is necessary to apply forces on it to maintain its position and attitude relative to the spacecraft. These forces are a potential source of acceleration noise in the LISA Pathfinder system that are not present in the full LISA configuration. While LISA Pathfinder has been designed to meet it's primary mission requirements in the presence of this noise, recent estimates suggest that the on-orbit performance may be limited by this `suspension noise'. The drift-mode or free-flight experiments provide an opportunity to mitigate this noise source and further characterize the underlying disturbances that are of interest to the designers of LISA-like instruments. This article provides a high-level overview of these experiments and the methods under development to analyze the resulting data., Comment: 13 pages, 5 figures. Accepted to Journal Of Physics, Conference Series. Presented at 10th International LISA Symposium, May 2014, Gainesville, FL, USA

Published
2014
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6. State space modelling and data analysis exercises in LISA Pathfinder

Author

Nofrarias, M, Antonucci, F, Armano, M, Audley, H, Auger, G, Benedetti, M, Binetruy, P, Bogenstahl, J, Bortoluzzi, D, Brandt, N, Caleno, M, Cavalleri, A, Congedo, G, Cruise, M, Danzmann, K, De Marchi, F, Diaz-Aguilo, M, Diepholz, I, Dixon, G, Dolesi, R, Dunbar, N, Fauste, J, Ferraioli, L, Fichter, V Ferroni W, Fitzsimons, E, Freschi, M, Marirrodriga, C García, Gerndt, R, Gesa, L, Gibert, F, Giardini, D, Grimani, C, Grynagier, A, Guzmán, F, Harrison, I, Heinzel, G, Hewitson, M, Hollington, D, Hoyland, D, Hueller, M, Huesler, J, Jennrich, O, Jetzer, P, Johlander, B, Karnesis, N, Korsakova, N, Killow, C, Llamas, X, Lloro, I, Lobo, A, Maarschalkerweerd, R, Madden, S, Mance, D, Mateos, I, McNamara, P W, Mendes, J, Mitchell, E, Nicolini, D, Nicolodi, D, Perreur-Lloyd, M, Plagnol, E, Prat, P, Ramos-Castro, J, Reiche, J, Perez, J A Romera, Robertson, D, Rozemeijer, H, Russano, G, Schleicher, A, Shaul, D, Sopuerta, CF, Sumner, T J, Taylor, A, Texier, D, Trenkel, C, Tu, H-B, Vitale, S, Wanner, G, Ward, H, Waschke, S, Wass, P, Wealthy, D, Wen, S, Weber, W J, Ziegler, T, and Zweifel, P

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Data Analysis, Statistics and Probability, Physics - Instrumentation and Detectors
Abstract

LISA Pathfinder is a mission planned by the European Space Agency to test the key technologies that will allow the detection of gravitational waves in space. The instrument on-board, the LISA Technology package, will undergo an exhaustive campaign of calibrations and noise characterisation campaigns in order to fully describe the noise model. Data analysis plays an important role in the mission and for that reason the data analysis team has been developing a toolbox which contains all the functionalities required during operations. In this contribution we give an overview of recent activities, focusing on the improvements in the modelling of the instrument and in the data analysis campaigns performed both with real and simulated data., Comment: Plenary talk presented at the 9th International LISA Symposium, 21-25 May 2012, Paris

Published
2013

7. The Gravitational Universe

Author

Consortium, The eLISA, Seoane, P. Amaro, Aoudia, S., Audley, H., Auger, G., Babak, S., Baker, J., Barausse, E., Barke, S., Bassan, M., Beckmann, V., Benacquista, M., Bender, P. L., Berti, E., Binétruy, P., Bogenstahl, J., Bonvin, C., Bortoluzzi, D., Brause, N. C., Brossard, J., Buchman, S., Bykov, I., Camp, J., Caprini, C., Cavalleri, A., Cerdonio, M., Ciani, G., Colpi, M., Congedo, G., Conklin, J., Cornish, N., Danzmann, K., de Vine, G., DeBra, D., Freitag, M. Dewi, Di Fiore, L., Aguilo, M. Diaz, Diepholz, I., Dolesi, R., Dotti, M., Barranco, G. Fernández, Ferraioli, L., Ferroni, V., Finetti, N., Fitzsimons, E., Gair, J., Galeazzi, F., Garcia, A., Gerberding, O., Gesa, L., Giardini, D., Gibert, F., Grimani, C., Groot, P., Cervantes, F. Guzman, Haiman, Z., Halloin, H., Heinzel, G., Hewitson, M., Hogan, C., Holz, D., Hornstrup, A., Hoyland, D., Hoyle, C. D., Hueller, M., Hughes, S., Jetzer, P., Kalogera, V., Karnesis, N., Kilic, M., Killow, C., Klipstein, W., Kochkina, E., Korsakova, N., Krolak, A., Larson, S., Lieser, M., Littenberg, T., Livas, J., Lloro, I., Mance, D., Madau, P., Maghami, P., Mahrdt, C., Marsh, T., Mateos, I., Mayer, L., McClelland, D., McKenzie, K., McWilliams, S., Merkowitz, S., Miller, C., Mitryk, S., Moerschell, J., Mohanty, S., Monsky, A., Mueller, G., Müller, V., Nelemans, G., Nicolodi, D., Nissanke, S., Nofrarias, M., Numata, K., Ohme, F., Otto, M., Perreur-Lloyd, M., Petiteau, A., Phinney, E. S., Plagnol, E., Pollack, S., Porter, E., Prat, P., Preston, A., Prince, T., Reiche, J., Richstone, D., Robertson, D., Rossi, E. M., Rosswog, S., Rubbo, L., Ruiter, A., Sanjuan, J., Sathyaprakash, B. S., Schlamminger, S., Schutz, B., Schütze, D., Sesana, A., Shaddock, D., Shah, S., Sheard, B., Sopuerta, C. F., Spector, A., Spero, R., Stanga, R., Stebbins, R., Stede, G., Steier, F., Sumner, T., Sun, K. -X., Sutton, A., Tanaka, T., Tanner, D., Thorpe, I., Tröbs, M., Tinto, M., Tu, H. -B., Vallisneri, M., Vetrugno, D., Vitale, S., Volonteri, M., Wand, V., Wang, Y., Wanner, G., Ward, H., Ware, B., Wass, P., Weber, W. J., Yu, Y., Yunes, N., and Zweifel, P.

Subjects
Astrophysics - Cosmology and Extragalactic Astrophysics, General Relativity and Quantum Cosmology
Abstract

The last century has seen enormous progress in our understanding of the Universe. We know the life cycles of stars, the structure of galaxies, the remnants of the big bang, and have a general understanding of how the Universe evolved. We have come remarkably far using electromagnetic radiation as our tool for observing the Universe. However, gravity is the engine behind many of the processes in the Universe, and much of its action is dark. Opening a gravitational window on the Universe will let us go further than any alternative. Gravity has its own messenger: Gravitational waves, ripples in the fabric of spacetime. They travel essentially undisturbed and let us peer deep into the formation of the first seed black holes, exploring redshifts as large as z ~ 20, prior to the epoch of cosmic re-ionisation. Exquisite and unprecedented measurements of black hole masses and spins will make it possible to trace the history of black holes across all stages of galaxy evolution, and at the same time constrain any deviation from the Kerr metric of General Relativity. eLISA will be the first ever mission to study the entire Universe with gravitational waves. eLISA is an all-sky monitor and will offer a wide view of a dynamic cosmos using gravitational waves as new and unique messengers to unveil The Gravitational Universe. It provides the closest ever view of the early processes at TeV energies, has guaranteed sources in the form of verification binaries in the Milky Way, and can probe the entire Universe, from its smallest scales around singularities and black holes, all the way to cosmological dimensions., Comment: 20 pages; submitted to the European Space Agency on May 24th, 2013 for the L2/L3 selection of ESA's Cosmic Vision program

Published
2013

8. From laboratory experiments to LISA Pathfinder: achieving LISA geodesic motion

Author

Antonucci, F, Armano, M, Audley, H, Auger, G, Benedetti, M, Binetruy, P, Boatella, C, Bogenstahl, J, Bortoluzzi, D, Bosetti, P, Brandt, N, Caleno, M, Cavalleri, A, Cesa, M, Chmeissani, M, Ciani, G, Conchillo, A, Congedo, G, Cristofolini, I, Cruise, M, Danzmann, K, De Marchi, F, Diaz-Aguilo, M, Diepholz, I, Dixon, G, Dolesi, R, Dunbar, N, Fauste, J, Ferraioli, L, Fertin, D, Fichter, W, Fitzsimons, E, Freschi, M, Marin, A García, Marirrodriga, C García, Gerndt, R, Gesa, L, Giardini, D, Gibert, F, Grimani, C, Grynagier, A, Guillaume, B, Guzmán, F, Harrison, I, Heinzel, G, Hewitson, M, Hollington, D, Hough, J, Hoyland, D, Hueller, M, Huesler, J, Jeannin, O, Jennrich, O, Jetzer, P, Johlander, B, Killow, C, Llamas, X, Lloro, I, Lobo, A, Maarschalkerweerd, R, Madden, S, Mance, D, Mateos, I, McNamara, P W, Mendestì, J, Mitchell, E, Monsky, A, Nicolini, D, Nicolodi, D, Nofrarias, M, Pedersen, F, Perreur-Lloyd, M, Perreca, A, Plagnol, E, Prat, P, Racca, G D, Rais, B, Ramos-Castro, J, Reiche, J, Perez, J A Romera, Robertson, D, Rozemeijer, H, Sanjuan, J, Schleicher, A, Schulte, M, Shaul, D, Stagnaro, L, Strandmoe, S, Steier, F, Sumner, T J, Taylor, A, Texier, D, Trenkel, C, Tombolato, D, Vitale, S, Wanner, G, Ward, H, Waschke, S, Wass, P, Weber, W J, and Zweifel, P

Subjects
General Relativity and Quantum Cosmology, Astrophysics - Instrumentation and Methods for Astrophysics
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., Comment: Proceedings of the 8th LISA Symposium. To appear Class. Quantum Grav. 28 (2011)

Published
2010
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9. Laser Interferometer Space Antenna

Author

Amaro-Seoane, P, Audley, H, Babak, S, Baker, J, Barausse, E, Bender, P, Berti, E, Binetruy, P, Born, M, Bortoluzzi, D, Camp, J, Caprini, C, Cardoso, V, Colpi, M, Conklin, J, Cornish, N, Cutler, C, Danzmann, K, Dolesi, R, Ferraioli, L, Ferroni, V, Fitzsimons, E, Gair, J, Bote, LG, Giardini, D, Gibert, F, Grimani, C, Halloin, H, Heinzel, G, Hertog, T, Hewitson, M, Holley-Bockelmann, K, Hollington, D, Hueller, M, Inchauspe, H, Jetzer, P, Karnesis, N, Killow, C, Klein, A, Klipstein, B, Korsakova, N, Larson, SL, Livas, J, Lloro, I, Man, N, Mance, D, Martino, J, Mateos, I, McKenzie, K, McWilliams, ST, Miller, C, Mueller, G, Nardini, G, Nelemans, G, Nofrarias, M, Petiteau, A, Pivato, P, Plagnol, E, Porter, E, Reiche, J, Robertson, D, Robertson, N, Rossi, E, Russano, G, Schutz, B, Sesana, A, Shoemaker, D, Slutsky, J, Sopuerta, CF, Sumner, T, Tamanini, N, Thorpe, I, Troebs, M, Vallisneri, M, Vecchio, A, Vetrugno, D, Vitale, S, Volonteri, M, Wanner, G, Ward, H, Wass, P, Weber, W, Ziemer, J, and Zweifel, P

Subjects
General Relativity and Quantum Cosmology, Physics::Space Physics, Astrophysics::Instrumentation and Methods for Astrophysics, astro-ph.IM
Abstract

Following the selection of The Gravitational Universe by ESA, and the successful flight of LISA Pathfinder, the LISA Consortium now proposes a 4 year mission in response to ESA's call for missions for L3. The observatory will be based on three arms with six active laser links, between three identical spacecraft in a triangular formation separated by 2.5 million km. LISA is an all-sky monitor and will offer a wide view of a dynamic cosmos using Gravitational Waves as new and unique messengers to unveil The Gravitational Universe. It provides the closest ever view of the infant Universe at TeV energy scales, has known sources in the form of verification binaries in the Milky Way, and can probe the entire Universe, from its smallest scales near the horizons of black holes, all the way to cosmological scales. The LISA mission will scan the entire sky as it follows behind the Earth in its orbit, obtaining both polarisations of the Gravitational Waves simultaneously, and will measure source parameters with astrophysically relevant sensitivity in a band from below $10^{-4}\,$Hz to above $10^{-1}\,$Hz.

Published
2017

10. State Space Modelling and Data Analysis Exercises in LISA Pathfinder

Author

Nofrarias, M., Antonucci, F., Armano, M., Audley, H., Auger, G., Benedetti, M., Binetruy, P., Bogenstahl, J., Bortoluzzi, D., Brandt, N., Caleno, M., Cavalleri, A., Giuseppe Congedo, Cruise, M., Danzmann, K., Marchi, F., Diaz-Aguilo, M., Diepholz, I., Dixon, G., Dolesi, R., Dunbar, N., Fauste, J., Ferraioli, L., Ferroni, V., Fichter, W., Fitzsimons, E., Freschi, M., Marirrodriga, C. Garcia, Gerndt, R., Gesa, L., Gibert, F., Giardini, D., Grimani, C., Grynagier, A., Guzman, F., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hoyland, D., Hueller, M., Huesler, J., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Korsakova, N., Killow, C., Llamas, X., Lloro, I., Lobo, A., Maarschalkerweerd, R., Madden, S., Mance, D., Martin, V., Mateos, I., Mcnamara, P., Mendes, I., Mitchell, E., Nicolodi, D., Perreur-Lloyd, M., Plagnol, E., Prat, P., Ramos-Castro, J., Reiche, J., Perez, J. A. Romera, Robertson, D., Rozemeijer, H., Rossano, G., Schleicher, A., Shaul, D., Sopuerta, C. F., Sumner, T. J., Taylor, A., Texier, D., Trenkel, C., Tu, H. B., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Wen, S., Weber, W., Ziegler, T., and Zweifel, P.

Subjects
Physics - Instrumentation and Detectors, Physics - Data Analysis, Statistics and Probability, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Instrumentation and Detectors (physics.ins-det), Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), General Relativity and Quantum Cosmology, Data Analysis, Statistics and Probability (physics.data-an)
Abstract

LISA Pathfinder is a mission planned by the European Space Agency to test the key technologies that will allow the detection of gravitational waves in space. The instrument on-board, the LISA Technology package, will undergo an exhaustive campaign of calibrations and noise characterisation campaigns in order to fully describe the noise model. Data analysis plays an important role in the mission and for that reason the data analysis team has been developing a toolbox which contains all the functionalities required during operations. In this contribution we give an overview of recent activities, focusing on the improvements in the modelling of the instrument and in the data analysis campaigns performed both with real and simulated data., Comment: Plenary talk presented at the 9th International LISA Symposium, 21-25 May 2012, Paris

11. Breadboard Model of the LISA Phasemeter

Author

Oliver Gerberding, Barke, S., Bykov, I., Danzmann, K., Enggaard, A., Esteban, J. J., Gianolio, A., Hansen, T. V., Heinzel, G., Hornstrup, A., Jennrich, O., Kullmann, J., Pedersen, S. M., Rasmussen, T., Reiche, J., Sodnik, Z., and Suess, M.

Subjects
Physics - Instrumentation and Detectors, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), Instrumentation and Detectors (physics.ins-det), Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), General Relativity and Quantum Cosmology
Abstract

An elegant breadboard model of the LISA phasemeter is currently under development by a Danish-German consortium. The breadboard is build in the frame of an ESA technology development activity to demonstrate the feasibility and readiness of the LISA metrology baseline architecture. This article gives an overview about the breadboard design and its components, including the distribution of key functionalities., 5 pages, 3 figures, published in ASP Conference Series, Vol. 467, 9th LISA Symposium (2012), pp 271-276

12. The Gravitational Universe

Author

Consortium, The Elisa, Seoane, P. Amaro, Aoudia, S., Audley, H., Auger, G., Babak, S., Baker, J., Barausse, E., Barke, S., Bassan, M., Beckmann, V., Benacquista, M., Bender, P. L., Berti, E., Binétruy, P., Bogenstahl, J., Bonvin, C., Bortoluzzi, D., Brause, N. C., Brossard, J., Buchman, S., Bykov, I., Camp, J., Caprini, C., Cavalleri, A., Cerdonio, M., Ciani, G., Colpi, M., Congedo, G., Conklin, J., Cornish, N., Danzmann, K., Vine, G., Debra, D., Dewi Freitag, M., Di Fiore, L., Diaz Aguilo, M., Diepholz, I., Dolesi, R., Dotti, M., Fernández Barranco, G., Ferraioli, L., Ferroni, V., Finetti, N., Fitzsimons, E., Gair, J., Galeazzi, F., Garcia, A., Gerberding, O., Gesa, L., Giardini, D., Gibert, F., Grimani, C., Paul Groot, Guzman Cervantes, F., Haiman, Z., Halloin, H., Heinzel, G., Hewitson, M., Hogan, C., Holz, D., Hornstrup, A., Hoyland, D., Hoyle, C. D., Hueller, M., Hughes, S., Jetzer, P., Kalogera, V., Karnesis, N., Kilic, M., Killow, C., Klipstein, W., Kochkina, E., Korsakova, N., Krolak, A., Larson, S., Lieser, M., Littenberg, T., Livas, J., Lloro, I., Mance, D., Madau, P., Maghami, P., Mahrdt, C., Marsh, T., Mateos, I., Mayer, L., Mcclelland, D., Mckenzie, K., Mcwilliams, S., Merkowitz, S., Miller, C., Mitryk, S., Moerschell, J., Mohanty, S., Monsky, A., Mueller, G., Müller, V., Nelemans, G., Nicolodi, D., Nissanke, S., Nofrarias, M., Numata, K., Ohme, F., Otto, M., Perreur-Lloyd, M., Petiteau, A., Phinney, E. S., Plagnol, E., Pollack, S., Porter, E., Prat, P., Preston, A., Prince, T., Reiche, J., Richstone, D., Robertson, D., Rossi, E. M., Rosswog, S., Rubbo, L., Ruiter, A., Sanjuan, J., Sathyaprakash, B. S., Schlamminger, S., Schutz, B., Schütze, D., Sesana, A., Shaddock, D., Shah, S., Sheard, B., Sopuerta, C. F., Spector, A., Spero, R., Stanga, R., Stebbins, R., Stede, G., Steier, F., Sumner, T., Sun, K. -X, Sutton, A., Tanaka, T., Tanner, D., Thorpe, I., Tröbs, M., Tinto, M., Tu, H. -B, Vallisneri, M., Vetrugno, D., Vitale, S., Volonteri, M., Wand, V., Wang, Y., Wanner, G., Ward, H., Ware, B., Wass, P., Weber, W. J., Yu, Y., Yunes, N., and Zweifel, P.

Subjects
General Relativity and Quantum Cosmology, Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, General Relativity and Quantum Cosmology (gr-qc), Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

The last century has seen enormous progress in our understanding of the Universe. We know the life cycles of stars, the structure of galaxies, the remnants of the big bang, and have a general understanding of how the Universe evolved. We have come remarkably far using electromagnetic radiation as our tool for observing the Universe. However, gravity is the engine behind many of the processes in the Universe, and much of its action is dark. Opening a gravitational window on the Universe will let us go further than any alternative. Gravity has its own messenger: Gravitational waves, ripples in the fabric of spacetime. They travel essentially undisturbed and let us peer deep into the formation of the first seed black holes, exploring redshifts as large as z ~ 20, prior to the epoch of cosmic re-ionisation. Exquisite and unprecedented measurements of black hole masses and spins will make it possible to trace the history of black holes across all stages of galaxy evolution, and at the same time constrain any deviation from the Kerr metric of General Relativity. eLISA will be the first ever mission to study the entire Universe with gravitational waves. eLISA is an all-sky monitor and will offer a wide view of a dynamic cosmos using gravitational waves as new and unique messengers to unveil The Gravitational Universe. It provides the closest ever view of the early processes at TeV energies, has guaranteed sources in the form of verification binaries in the Milky Way, and can probe the entire Universe, from its smallest scales around singularities and black holes, all the way to cosmological dimensions., Comment: 20 pages; submitted to the European Space Agency on May 24th, 2013 for the L2/L3 selection of ESA's Cosmic Vision program

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