Showing 1 - 4 results of 4 for search 'Aletha de Witt', query time: 0.02s Refine Results
  1. 1
    Position and Proper Motion of Sagittarius A* in the ICRF3 Frame from VLBI Absolute Astrometry

    Position and Proper Motion of Sagittarius A* in the ICRF3 Frame from VLBI Absolute Astrometry by David Gordon, Aletha de Witt, Christopher S. Jacobs

    Published 2023-01-01
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  2. 2
    Overview and Status of the International Celestial Reference Frame as Realized by VLBI

    Overview and Status of the International Celestial Reference Frame as Realized by VLBI by Aletha de Witt, Patrick Charlot, David Gordon, Christopher S. Jacobs

    Published 2022-07-01
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  3. 3
    The Celestial Reference Frame at K Band: Imaging. I. The First 28 Epochs

    The Celestial Reference Frame at K Band: Imaging. I. The First 28 Epochs by Aletha de Witt, Christopher S. Jacobs, David Gordon, K-band Celestial Reference Frame Collaboration, Michael Bietenholz, Marisa Nickola, Alessandra Bertarini

    Published 2023-01-01
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  4. 4
    Astrometric Apparent Motion of High-redshift Radio Sources

    Astrometric Apparent Motion of High-redshift Radio Sources by Oleg Titov, Sándor Frey, Alexey Melnikov, Fengchun Shu, Bo Xia, Javier González, Belén Tercero, Leonid Gurvits, Aletha de Witt, Jamie McCallum, Mikhail Kharinov, Vladimir Zimovsky, Máté Krezinger

    Published 2023-01-01
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