Using early data to illuminate the Pioneer anomaly

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dc.contributor.author Nieto, Michael en_US
dc.contributor.author Anderson, John en_US
dc.date.accessioned 2006-06-20T19:17:04Z en_US
dc.date.available 2006-06-20T19:17:04Z en_US
dc.date.issued 2005-12-21 en_US
dc.identifier.citation Classical and Quantum Gravity 22N24 (2005) 5343-5354 en_US
dc.identifier.issn 1361-6382 en_US
dc.identifier.uri http://hdl.handle.net/1850/2042 en_US
dc.description Also archived at: arXiv:gr-qc/0507052 v2 4 Oct 2005 / The date stated on this paper is incorrect. en_US
dc.description.abstract Analysis of the radio tracking data from the Pioneer 10/11 spacecraft at distances between about 20 - 70 AU from the Sun has consistently indicated the presence of an unmodeled, small, constant, Doppler blue shift drift of order 6 \times 10^{-9} Hz/s. After accounting for systematics, this drift can be interpreted as a constant acceleration of a_P= (8.74 \pm 1.33) \times 10^{-8} cm/s^2 directed towards the Sun, or perhaps as a time acceleration of a_t = (2.92 \pm 0.44)\times 10^{-18} s/s^2. Although it is suspected that there is a systematic origin to this anomaly, none has been unambiguously demonstrated. We review the current status of the anomaly, and then point out how the analysis of early data, which was never analyzed in detail, could allow a more clear understanding of the origin of the anomaly, be it a systematic or a manifestation of unsuspected physics. (Refer to PDF file for exact formulas.) en_US
dc.description.sponsorship M.M.N. acknowledges support by the U.S. DOE. The work of J.D.A. was performed at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. en_US
dc.format.extent 512506 bytes en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.publisher Classical and Quantum Gravity en_US
dc.subject Doppler frequency drift en_US
dc.subject Pioneer 10/11 - data en_US
dc.title Using early data to illuminate the Pioneer anomaly en_US
dc.type Article en_US

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