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GP-B Systematic Error Determination
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DOI：10.1007/s11214-009-9523-8.png)
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Abstract
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We have evaluated the systematic error in the GP-B experiment using five different approaches and estimated the individual contributions of many error sources. The systematic effects we consider include those due to gyroscope torques, gyroscope readout, telescope readout, and guide star proper motion. Effects with an estimated impact on the experiment error larger than 1 mas/yr are discussed in detail. Examples of analyses that bound other sources to less than 1 mas/yr are included to show the range of techniques employed to perform this work. We describe the remaining tasks to complete the systematic error analysis and estimate the total experiment uncertainty.
Keywords:
Gravity probe B
General relativity
Systematic error
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