Alexandre Humberto Andrei - Gaia
Alexandre Humberto Andrei
Observatorio Nacional / MCT
Alexandre Humberto Andrei graduated in Astronomy (from the Universidade Federal do Rio de Janeiro (UFRJ), Observatorio do Valongo) and received his MSc in Astrometry from the Instituto Astronomico e Geofisico da Universidade de Sao Paulo (IAG/USP). He was awarded his PhD in 1988 from the Department of Physics, University of Cambridge, UK, for his thesis on "Observed and Predicted Data in Radio Astrometric Observations".
Alexandre has Brazilian-Rumanian citizenship and is Senior Researcher at Observatorio Nacional (Brazil) and Lecturer at the Universidade Federal do Rio de Janeiro. Other long-term positions were held at the University of York (Canada) and at the Observatoire de Paris.
His main scientific interests lie in the fields of optical and radio astrometry, and solar physics. He is an associate member of the Relativity and Reference Frame Working Group working on quasar characteristics and distribution, with a view to building a simulation of the Gaia extragalactic reference frame.
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