FGI Research Seminar: Ultra precise astrometry with Very Long Baseline Interferometry: from radio star to quasar

Welcome to the FGI Postdocs in the Spotlight Research Seminar Series!

Our second speaker is Dr. Jingdong Zhang. He will tell us about: Ultra precise astrometry with Very Long Baseline Interferometry: from radio star to quasar.

A precise and stable Celestial Reference Frame (CRF) underpins modern astronomy, geodesy, and related disciplines. Establishing such a CRF relies on high-accuracy astrometric measurements of celestial objects, for which Very Long Baseline Interferometry (VLBI) remains the most powerful technique. This talk will present my work on VLBI-based astrometry of extragalactic sources (quasars) and radio stars, emphasizing their roles in the establishment, maintenance, and multi-wavelength alignment of celestial reference frames.

This presentation is part of our special FGI Research Seminar Series – FGI Postdocs in the Spotlight, where our new Postdocs of the 3-year TULANET Postdoc program will present themselves and their work.

The event is open for all, and no registration is needed. You can attend the seminar via Teams or at Vuorimiehentie 5 auditorium, which is located at the ground floor. The presentations are given in English.

See also the following seminars.