Improving the S/X Celestial Reference Frame in the South: A Status Update
Langue
en
Communication dans un congrès
Ce document a été publié dans
25th Working Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA), 2021-03-15, Cyberspace.
Résumé en anglais
Catalogs of positions of compact extragalactic radio sources, including the ICRF-3, are generally weaker in the south by factors of 2 or more in both density and precision. In 2018 we started a campaign to improve the S/X ...Lire la suite >
Mots clés en anglais
Astrometry
VLBI
Celestial Reference Frame
Southern Hemisphere
quasars