Ioannis Bellas-Velidis

1989-2019 National Observatory of Athens 
"Ioannis Bellas-Velidis"

Researcher (retired). He was born in Poland on the 8th of September, 1952. obtained his BSc in Physics in 1976, his MSc in Astrophysics in 1978 and his PhD in 1990 from the Sofia University (Bulgaria). From 1975 to 1978, he worked as an Astronomer in the Public Observatory at Kardjaly (Bulgaria) and from 1989 to 1994 to National Observatory of Athens. From 1994 to 2006, he worked as science support staff at the former Institute of Astronomy and Astrophysics of the National Observatory of Athens. In 2006, he was promoted to Associate Researcher and since 2009 he works as Senior Researcher at the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing of the National Observatory of Athens. He retired in 2019. His research interests are in artificial intelligence methods development and application for data processing and analysis (in astrophysics, engineering and medicine), classification and parameterization of galaxy spectra, galaxies evolutionary spectra modelling, galactic and extra-galaxy stellar systems content, as well as observational spectrophotometry and photometry of symbiotic and symbiotic-like stars.
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Bogomil Kovatchev grad student 1990 Bulgarian Academy of Sciences
 (Spectrophotometrical Investigations of Stars; Software for Stellar Spectrograms Automatical Processing in the NAO-Rozhen)