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1 Introduction
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2 Considerations for the computation of the Earth Rotation
Angle and Sidereal Time
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3 Computation of the quantity s
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4 Computation of Greenwich Sidereal Time
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5 Comparison between new and classical transformation
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6 Comparison between new and current estimation of UT1
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7 Expressions to implement the IAU 2000 definition of UT1
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8 Practical implementation of the new definition of UT1
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9 Concluding remarks
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Appendix A: Offsets at J2000
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Appendix B: Comparison with the 1982 expression for GMST
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References
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