Aletha de Witt

Hartebeesthoek Radio Astronomy Observatory,
Fundamental Astronomy
P.O. Box 443
1740 Krugersdorp
South Africa

Phone: +27 0123013222
Organization website: http://www.hartrao.ac.za

NCA adherence: South Africa

Last updated:
November 20, 2023

IAU Status

Active Member

Affiliation(s) within the IAU

Past affiliation(s) within the IAU

  • Past Secretary of Commission A1 Astrometry (2018-2021)
  • Past Organizing Committee Member of Commission A1 Astrometry (2018-2021)
  • Past Member of Division A WG Third Realisation of the International Celestial Reference Frame (until 2020)
  • Past Associate of Division A WG Third Realisation of the International Celestial Reference Frame (until 2020)

Areas of interest

1 - General: 1.10 - Astronomy for Development
3 - Astronomical instrumentation, methods and techniques: 3.9 - Techniques, 3.11 - Telescopes: radio, 3.13 - Interferometry
4 - Astronomical data bases: 4.3 - Catalogs, 4.4 - Surveys
5 - Astrometry and celestial mechanics: 5.1 - Astrometry, 5.8 - Reference systems, 5.9 - Time
11 - Galaxies: 11.19 - Galaxies: jets, 11.28 - Galaxies: quasars

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