Measuring Earth: Current status of the GRACE Follow-On Laser Ranging Interferometer

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Schütze, Daniel: Measuring Earth: Current status of the GRACE Follow-On Laser Ranging Interferometer. In: Journal of Physics: Conference Series 716 (2016), Nr. 1, 12005. DOI: http://dx.doi.org/10.1088/1742-6596/716/1/012005

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Sum total of downloads: 128




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The GRACE mission that was launched in 2002 has impressively proven the feasibility of low-orbit satellite-to-satellite tracking for Earth gravity observations. Especially mass transport related to Earth's hydrological system could be well resolved both spatially and temporally. This allows to study processes such as polar ice sheet decline and ground water depletion in great detail. Owing to GRACE's success, NASA and GFZ will launch the successor mission GRACE Follow-On in 2017. In addition to the microwave ranging system, GRACE Follow-On will be the first mission to use a Laser Ranging Interferometer as technology demonstrator to track intersatellite distance changes with unprecedented precision. This new ranging device inherits some of the technologies which have been developed for the future spaceborne gravitational wave detector LISA. I will present the architecture of the Laser Ranging Interferometer, point out similarities and differences to LISA, and conclude with the current status of the flight hardware production.
License of this version: CC BY 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 121 94.53%
2 image of flag of China China 2 1.56%
3 image of flag of Vietnam Vietnam 1 0.78%
4 image of flag of United States United States 1 0.78%
5 image of flag of Ukraine Ukraine 1 0.78%
6 image of flag of Sweden Sweden 1 0.78%
7 image of flag of Japan Japan 1 0.78%

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