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Search for a Standard Explanation of the Pioneer Anomaly

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arxiv gr-qc/0107022 v3 pith:NNUQJRFS submitted 2001-07-05 gr-qc

Search for a Standard Explanation of the Pioneer Anomaly

classification gr-qc
keywords anomalydatainvestigatepioneersystematicsthermalaccelerationalthough
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The data from Pioneer 10 and 11 shows an anomalous, constant, Doppler frequency drift that can be interpreted as an acceleration directed towards the Sun of a_P = (8.74 \pm 1.33) x 10^{-8} cm/s^2. Although one can consider a new physical origin for the anomaly, one first must investigate the contributions of the prime candidates, which are systematics generated on board. Here we expand upon previous analyses of thermal systematics. We demonstrate that thermal models put forth so far are not supported by the analyzed data. Possible ways to further investigate the nature of the anomaly are proposed.

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