Effect of Galactic aberration on Earth orientation parameters: From the ICRF2 to the ICRF3

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Table 3

Linear fits of EOP offsets between solution ICRF3_nGA and ICRF3_GA ([ICRF3_nGA – ICRF3_GA]) with R1 and R4 observations.

Data	Period	ΔdUT 1 µs yr⁻¹	ΔdX µas yr⁻¹	ΔdY µas yr^-1
R1	before 2011.0	−0.0 ± 0.0	+0.0 ± 1.2	+0.5 ± 1.2
	after 2011.0	+0.0 ± 0.0	−0.0 ± 1.3	+0.0 ± 1.3
R4	before 2011.0	−0.0 ± 0.0	+0.2 ± 1.2	+0.7 ± 1.2
	after 2011.0	+0.0 ± 0.0	+0.1 ± 1.3	+0.0 ± 1.3

Notes. Only the linear terms are given.

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