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"au:"Aletha de Witt"" — arXiv2 Search
Showing 1–9 of 9 results
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Feb 25, 2023
Astrometric Apparent Motion of High-redshift Radio Sources
Jun 16, 2023
The K-band (24 GHz) Celestial Reference Frame determined from Very Long Baseline Interferometry sessions conducted over the past 20 years
Dec 1, 2022
Position and Proper Motion of Sagittarius A* in the ICRF3 Frame from VLBI Absolute Astrometry
Sep 12, 2024
Evaluation of South African Candidate Sites for an Expanded Event Horizon Telescope
Jan 14, 2020
High-resolution radio astronomy: an outlook for Africa
Aug 2, 2019
Observations of radio sources near the Sun
Dec 18, 2014
Very Long Baseline Interferometry with the SKA
Mar 3, 2015
Imaging the Expanding Shell of SN 2011dh
Dec 3, 2013
A Survey for Ground-State OH Masers Toward a Sample of Herbig-Haro Objects