VLBI celestial and terrestrial reference frames VIE2022b

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Volume 679 (November 2023)

A&A, 679 (2023) A53

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Table 7

Transformation parameters at epoch 2015.0 between TRFs.

T_x [mm]	T_y [mm]	T_z [mm]	R_x [µas]	R_y [µas]	R_z [µas]	Scale s [ppb] ([mm])
Ṫ_x[mm/yr]	Ṫ_y [mm/yr]	Ṫ_z [mm/yr]	Ṙ_x [µas/yr]	Ṙ_y [µas/yr]	Ṙ_z [µas/yr]	ṡ [ppb/yr] ([mm/yr])
−0.8 ± 1.7	−3.4 ± 1.7	−2.0 ± 1.7	60.5 ± 69.2	21.6 ± 68.5	−5.4 ± 54.2	0.56 ± 0.26 (3.6 ± 1.7)
0.0 ± 0.0	−0.2 ± 0.0	0.0 ± 0.0	6.0 ± 1.7	0.8 ± 1.8	4.4 ± 1.5	0.02 ± 0.01 (0.1 ± 0.0)

1.9 ± 0.7	−1.0 ± 0.7	−2.3 ± 0.7	35.4 ± 29.4	36.2 ± 29.0	21.4 ± 23.2	0.59 ± 0.11 (3.7 ± 0.7)
0.2 ± 0.0	−0.2 ± 0.0	−0.2 ± 0.0	5.6 ± 0.7	4.3 ± 0.7	1.8 ± 0.6	0.03 ± 0.00 (0.2 ± 0.0)

Notes. Transformation parameters from ITRF2020 to VIE2020 (top of the table) and from ITRF2020 to VIE2022b (bottom of the table) are computed from stations with mean coordinate errors below 10 mm in Vienna TRFs. The rate per year is given in each second row.

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