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A Geostationary Gravitational Wave Interferometer (GEOGRAWI)

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arxiv 1111.2576 v1 pith:YRUTNJUA submitted 2011-11-10 astro-ph.IM gr-qc

classification astro-ph.IMgr-qc
keywords geograwimissionbandgeostationarygravitationalinterferometerlisatimes
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abstract

We propose a Geostationary Gravitational Wave Interferometer (GEOGRAWI) mission concept for making observations in the sub-Hertz band. GEOGRAWI is expected to meet some of LISA's science goals in the lower part of its accessible frequency band ($10^{-4} - 2 \times 10^{-2}$ Hz), and to outperform them by a large margin in the higher-part of it ($2 \times 10^{-2} - 10$ Hz). As a consequence of its Earth-bound orbit, GEOGRAWI is significantly less expensive than the interplanetary LISA mission and could be either an entirely US mission or managed and operated by NASA in partnership with the Brazilian Space Agency.

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Cited by 1 Pith paper

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  1. MFB: A Mid-Frequency-Band Space Gravitational Wave Observer for the 2020 Decade

    astro-ph.IM 2019-08 conditional novelty 4.0 of 10

    A proposal for a geosynchronous, three-satellite gravitational wave observatory with 73,000 km arms, sensitive from 10 mHz to 1 Hz, intended to bridge LIGO and LISA and be launched in the 2020s at a fraction of LISA's cost.

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