Comparison of multifrequency positions of extragalactic sources from ICRF3 and Gaia EDR3

Liu, N; Lambert, SB; Charlot, P; Zhu, Z; Liu, JC; Jiang, N; Wan, XS; Ding, CY

Liu, N (corresponding author), Nanjing Univ, Minist Educ, Sch Astron & Space Sci, Key Lab Modern Astron & Astrophys, Nanjing 210023, Peoples R China.; Liu, N (corresponding author), Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China.

ASTRONOMY & ASTROPHYSICS, 2021; 652 ():

Abstract

Context. Comparisons of optical positions derived from the Gaia mission and radio positions measured by very long baseline interferometry (VLBI) probe......

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