Using 40-year VLBI time series, the authors find that the preferred direction of astrometric position scatter in many ICRF3 quasars aligns within 30 degrees of their radio jet position angle.
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Partial Alignment of Astrometric Position Excursions of International Celestial Reference Frame Quasars with Radio Jet Structures
Using 40-year VLBI time series, the authors find that the preferred direction of astrometric position scatter in many ICRF3 quasars aligns within 30 degrees of their radio jet position angle.