We discuss two geosynchronous gravitational wave (GW) mission concepts, which we generically name gLISA. One relies on the science instrument hosting program onboard geostationary commercial satellites, while the other takes advantage of recent developments in the aerospace industry that result in dramatic satellite and launching vehicle cost reductions for a dedicated geosynchronous mission. To achieve the required level of disturbance free-fall onboard these large and heavy platforms, we propose a new drag-free system, which we have named “two-stage” drag-free. It incorporates the Modular Gravitational Reference Sensor (developed at Stanford University) and does not rely on the use of μN thrusters. Although both mission concepts are characterized by different technical and programmatic challenges, individually they could be flown and operated at a cost significantly lower than those of previously envisioned gravitational wave missions, and in the year 2015 we will perform at JPL a detailed selecting mission analysis.
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January 2015
Research Article|
January 07 2015
gLISA: geosynchronous laser interferometer space antenna concepts with off-the-shelf satellites
M. Tinto;
M. Tinto
1Jet Propulsion Laboratory,
California Institute of Technology
, MS. 238-737, 4800 Oak Grove Drive, Pasadena, California 91109, USA
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D. DeBra;
D. DeBra
2Hansen Experimental Physics Laboratory,
Stanford University
, Stanford, California 94305, USA
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S. Buchman;
S. Buchman
2Hansen Experimental Physics Laboratory,
Stanford University
, Stanford, California 94305, USA
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S. Tilley
S. Tilley
3Space Systems/Loral (SSL), 3825 Fabian Way, Palo Alto, California 94303,
USA
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M. Tinto
1
D. DeBra
2
S. Buchman
2
S. Tilley
3
1Jet Propulsion Laboratory,
California Institute of Technology
, MS. 238-737, 4800 Oak Grove Drive, Pasadena, California 91109, USA
2Hansen Experimental Physics Laboratory,
Stanford University
, Stanford, California 94305, USA
3Space Systems/Loral (SSL), 3825 Fabian Way, Palo Alto, California 94303,
USA
Rev. Sci. Instrum. 86, 014501 (2015)
Article history
Received:
October 06 2014
Accepted:
December 08 2014
Citation
M. Tinto, D. DeBra, S. Buchman, S. Tilley; gLISA: geosynchronous laser interferometer space antenna concepts with off-the-shelf satellites. Rev. Sci. Instrum. 1 January 2015; 86 (1): 014501. https://doi.org/10.1063/1.4904862
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