2-6 September 2024
CJD Bonn Castell
Europe/Berlin timezone
- evn2024@mpifr.de
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VLBI technique provides a means to investigate the nature of radio-emitting binary stars on mas or sub-mas scale. In astrometry, high-precision parallax, proper motion, and position measurements could be achieved through VLBI observations, assisting in the revision of our knowledge of the physical parameters of radio-emitting binary stars. Moreover, the binaries being both radio loud and optically bright can be used as link objects to tie the radio and optical celestial reference frames together. Here we will discuss our VLBI astrometric studies of radio-emitting binary stars, especially close binary stars including magnetic cataclysmic variables and RS CVn binaries.