Dr.hab.phys. Youris ZHAGARS  Assoc.professor  of Ventspils University College   As.prof. of the Department of Physics, University of Latvia  Senior Scientist of Ventspils International Radio Astronomy center  (VIRAC) ; Sc.secretary of VIRAC's International Scientific Advisory Council (SAC). Ex-member of the Senate of the  University of Latvia  Member of  sc.council of Astronomical Institute, University of Latvia   Ventspils University College  101, Inzhenieru str.  Ventspils, LV-3600  Latvia  Phone: +371-944.17.37  e-mail:  yzh@latnet.lv ,  yzh@venta.lv

    Born: February 9, 1949, Riga, Latvia
 

    Scientific interests:

• main field: Dynamics of Earth's Satellites
• other fields: Geophysics, physics of planets

    Investigations of the geoid, applications of the GPS measurements for geophysics and engineering sciences.
    Visible motion of the Earth's Satellites. Theory of Chaos.
 

    Languages: Latvian, English, Russian and French

 
    Education

• Moscow State University (Faculty of Physics,  Departament of Astronomy ) in 1973
• Dr.phys. (Ph.D. or Candidate of Science in former USSR), Moscow State University, Russia, 1979
• Dr. habil. phys., University of Latvia, 1999

• Astronomical Council of Russian Academy of Science, Moscow, 1970.-1973.
• Terres Australes et Antarctiques Francaise (Ile Nlle Amsterdam), geophysical mission, France 1978.
• Universidade Eduardo Mondlane, Maputo, Mocambique, 1987.
• Bulgarian Academy of Sciences, project "ULIS", Stara-Zagora, 1988.-1989.
• GeoForshungsZentrum Potsdam , Germany, 1991.
• Finnish Geodetic Institute, Helsinki, 1993.

• Assistant, sc.engineer of Astronomicl Council, Russian Ac.Sc., Moscow, 1970 - 1973.
• Assistant, Researcher, Senior Scientist of Astronomical observatory, University of Latvia, 1973 - 1985.
• Director of Astronomical Observatory, University of Latvia, 1985 - 1996.
• Senior Scientist of Astronomical Institute, University of Latvia, 1996 - 2000.
• Senior Scientist of Ventspils International Radio Astronomy Center, 1998 - ...
• Curator of F.Cander's Space History museum in Riga, 1996 - 2000.
• Lecturer of the Department of Physics, University of Latvia, 1999 - 2001.
• Assoc.prof. of the Department of Physics, University of Latvia, 2001 - ...
• Vice-rector of Ventspils University College, 2000.- 2002.
• Assoc.prof. of Ventspils University College, 2000. - ....

 

Fellowships, Memberships of Professional Societies

• Member, International Astronomical Union (IAU), from 1982
• Member, European Astronomical Society (EAS), from 1990
• Member, European Geophysical Society  (EGS) , from 1997
• Member, Latvian Astronomical Society (LAB), from 1967
• Member of the Expert Committee,  Latvian Council of Science , from 1991
• Sc. secretary, International Advisory Council, VIRAC, from 1997

        . Numerical Methods, University of Latvia, 1985 - 1991.
        . Astronomy and Astrophysics, University of Latvia, 1983 - ...
        . Fundamentals of GPS, University of Latvia, 1999 - ...
        . Space Information Technologies, University of Latvia & Ventspils University College, 1999 - ...
        . Basics of Natural Sciences, Ventspils University Collegue, 2000 - ...
        . Chaos and Order (Introductory course) Ventspils University Collegue, 2001 - ...
        .  Physics Ventspils University Collegue, 2002 - ...
        . Linear Algebra and Analitical Geometry Ventspils University Collegue, 2002 - ...

 
        Researche Projects

        1. Y.Zhagars (Head of Project) Developement of new astronomical instrumentation, methods and software to improve the accuracy of the geodynamic parametrs as well as to connect Baltic region to Intrrnational geodetic Reference frame, Latvian Council of Science, 1991 - 1993.

        2. Y.Zhagars (Head of Project) Developement of satellite laser ranging hardware and software systems for determination of coordinates, geodynamic parameters and time scale support using methods of the satellite geodesy,  Latvian Council of Science, 1994 - 1996.

        3. Y.Zhagars (Head of Project) Developement of the telescope for the Satellite Laser Ranging  for the Metsahovi geodetic observatory, Finnish Geodetic Institute, 1992 - 1997.

        4. Y.Zhagars (Head of Project) Improvement of the geoid of Latvia and its connection with the Nordic geoids using the satellite altimetry data,  Latvian Council of Science, 1997 - 2000.

        5. Y.Zhagars (Head of subprogramme) in joint research programme Basic and Applied Research Based on the use of the Ventspils International Radioastronomy Centre (VIRAC) Radiotelescopes and Their Application for  Receiving, Processing and Transmitting of Information (Programme Director: J.Ekmanis)  Latvian Council of Science, 2001-2004.

 
        Recent / Representative Publications

        1. Zhagars Y., Zarinsh A., Ekstremalnije zadachi sblizhenija ISZ i nabljudatelja (in russian), sbornik Navigacionnaja privjazka i statisticheskaja obrabotka kosmicheskoi informacii, Moskva, Nauka, 1983.
        2. ZhagarsY., Zarinsh A. Chisslennije issledovanija vidimogo dvizhenija ISZ (in russian), sbornik Navigacionnaja privjazka i statisticheskaja obrabotka kosmicheskoi informacii, Moskva, Nauka, 1983.
        3. Abele M., Zhagars Y., et.al. Anlage fur das Aufspuren von Himmelskorpen, Wirtschaftspatent Deuchland, DD273.953.A3, Berlin, 1989.
        4. Abele M., Zhagars Y., et.al. Lazerna komputerna lokacionna sistema za izmervane na razstojanija do spetnici na Zemljata, Bulgarian patent # 47620, Sofia, 1993.
        5. Zhagar Y., Paunonen M., Pavenis A., Gedrovics V. The first approach of the mecanical accuracy for LS-105 SLR telescope in Metsahovi (Finland), Acta Universitatis Latviensis v.600, astronomy 20, Satellite laser ranging, Riga, 1995.
        6. Stoykov A., Zhagars Y., Abele M., Laposhka V. Second Riga SLR telescope ULIS - start of measuring, Acta Universitatis Latviensis v.600, astronomy 20, Satellite laser ranging, Riga, 1995.
        7. Stoykov A., Zhagars Y., Dimitrova M. Method of determination of "alt-alt" mount's parameters for telescopes in the vertical reference frame, Acta Universitatis Latviensis v.600, astronomy 20, Satellite laser ranging, Riga, 1995.
        8. Zhagars Y. F.Tsanders and space flight dynamics, Theses Historiae Scientiarium Baltica, Riga, 1996.
        9. Zhagars Y., Kaminskis J. The new geodynamic site in Latvia LV-04 (Irbene) - converted russian ex-military object, Annales Geophysicae vol.16, s.1, part 1, 1998.
        10.  Zhagars Y., Kaminskis J., Salmins K. Different geoid solutions in Latvia and vertical geodetic network, Book of extended abstracts of WEGENER's 9-th Gen. Assambl. Honefoss, Staten Kartverk, Oslo, 1998.
        11.  Zhagars Y., Kaminskis J. Irbene (LV-04) jauns geodinamiskais poligons Latvija, Latvian Journal of Physics and Technical Science, No.6, 1998.
        12. Zhagars Y. Use of space technologies for transport organization, Reports of workshop "Research and Developement in the Modern Transportation Technology" of 4-th Internat. Conf. "Baltic Transit Gateway", Riga, 1999.
        13.  Zhagars Y., Kaminskis J. Latvia local geoid on aprobation, Geophysical Research Abstracts, vol.2, 2000, ISSN:1028-7006.
        14.  Zhagars Y., Kaminskis J. First results of the geodynamic station IRBENE (Latvia), Geophysical Research Abstracts, vol.2, 2000, ISSN:1028-7006.
        15. Zhagars Y., Kaminskis J. Geodetic Connection of Astro-geodynamic objects in VIRAC site (Irbene, Latvia), Geophysical Research Abstracts, vol.2, 2001.
        16. Krisane G., Kaminskis J., Zhagars Y. Gravity data application for geoid and complex structure modelling, Geophysical Research Abstracts, vol.2, 2001.
    

Last update 2002.09.30