553 citations · 802 across the 17 of their papers we have counts for
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astro-ph.IM2019★ 15 cited
Systematics and accuracy of VLBI astrometry: What can be learned from a comparison with Gaia Data Release 2
Niu Liu, Sebastien Lambert, Zi Zhu +1
We aim to investigate the overall properties of the ICRF3 with the help of the Gaia Data release 2 (Gaia DR2). This could serve as an external check of the quality of the ICRF3. Th…
physics.geo-ph2019★ 4 cited
Analyses of celestial pole offsets with VLBI, LLR, and optical observations
Yu-Ting Cheng, Jia-Cheng Liu, Zi Zhu
This work aims to explore the possibilities of determining the long-period part of the precession-nutation of the Earth with techniques other than very long baseline interferometry…