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Information × Registration Number 0305U003367, 0104U000668 , R & D reports Title Star coordinate system improvement and its concordance with ICRF and dynamical system popup.stage_title Використання традиційних інструментів та телескопів рефлекторів для вдосконалення оптичних систем координат Head Fedorov P., Registration Date 24-03-2005 Organization Kharkov national university named after V.N. Karazin popup.description2 An research objects are extragalactic objects, the stars, the bodies of Solar System, the comets. An research aim is the obtaining of the optical positions of the ICRF sources, of comets and Solar System bodies, as well as Earth rotation parameters and circumstances of the occultation and eclipses. The methods of these investigations are observations of ICRF sources using reflector AZT-8 with CCD camera, obtaining of positions of ICRF sources from Palomar surveys as well as the positional observations of the Solar System bodies, of comets, of occultation and eclipses. The research results presented in the 19 publications which sent in press, as well as in the 9 reports at the scientific conferences. During reporting period the following results were obtained: 1. A catalogue of the positions of about 1.3 millions reference stars around 330 northern hemisphere ICRF sources had been created. 2. Using this catalogue the components of Hipparcos orientation vector relative to ICRF were determined. 3. 69 time differences UT0(X)-UTC were obtained. 4. Using the CCD observations the 155 positions of comets C/2001 A2 (LINEAR), C/2002 X5 (Kudo-Fujikawa) and 2P/Encke in the USNO-A2.0 and UCAC2 reference systems were obtained. The light curves, photometrical peculiarities and the secular brightness variations of the comets which were or be purposes of cosmic missions were investigated. 5. The differential catalogue of the right ascensions of the selected stars from the Fabricius, Lasarenko and PFKSZ lists was created. 6. The CCD observations of the Hot Bird space satellite were obtained and processed. These results used to obtain the astrometric, photometric and polarimetric parameters of the satellite. The results of this research prepared for publication and partially published. These results can be given for all interested organizations and professionals of astrometry, celestial mechanic and star astronomy in Ukraine and abroad. A forecast: probably improvement of link between Hipparcos and ISRF coordinate systems,the improvement of dynamical coordinate system from ground-based observations, making catalogues. Product Description popup.authors popup.nrat_date 2020-04-02 Close