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  Spacecraft Clocks and Relativity: Prospects for Future Satellite Missions

Angélil, R., Saha, P., Bondarescu, R., Jetzer, P., Schärer, A., & Lundgren, A. (2014). Spacecraft Clocks and Relativity: Prospects for Future Satellite Missions. Physical Review D, 89: 064067. doi:10.1103/PhysRevD.89.064067.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-236C-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-236E-D
Genre: Journal Article

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 Creators:
Angélil, Raymond, Author
Saha, Prasenjit, Author
Bondarescu, Ruxandra, Author
Jetzer, Philippe, Author
Schärer, Andreas, Author
Lundgren, Andrew1, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, Earth and Planetary Astrophysics, astro-ph.EP,General Relativity and Quantum Cosmology, gr-qc, Physics, Atomic Physics, physics.atom-ph, Physics, Geophysics, physics.geo-ph
 Abstract: The successful miniaturization of extremely accurate atomic clocks invites prospects for satellite missions to perform precise timing experiments. This will allow effects predicted by general relativity to be detected in Earth's gravitational field. In this paper we introduce a convenient formalism for studying these effects, and compute the fractional timing differences generated by them for the orbit of a satellite capable of accurate time transfer to a terrestrial receiving station on Earth, as proposed by planned missions. We find that (1) Schwarzschild perturbations would be measurable through their effects both on the orbit and on the signal propagation, (2) frame-dragging of the orbit would be readily measurable, and (3) in optimistic scenarios, the spin-squared metric effects may be measurable for the first time ever. Our estimates suggest that a clock with a fractional timing inaccuracy of $10^{-16}$ on a highly eccentric Earth orbit will measure all these effects, while for a low Earth circular orbit like that of the Atomic Clock Ensemble in Space Mission, detection will be more challenging.

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 Dates: 2014-02-262014-03-112014
 Publication Status: Published in print
 Pages: Accepted for publication in Physical Review D. Typos corrected
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1402.6698
DOI: 10.1103/PhysRevD.89.064067
URI: http://arxiv.org/abs/1402.6698
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 89 Sequence Number: 064067 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: /journals/resource/111088197762258