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Information × Registration Number 0203U002700, 0103U008042 , R & D reports Title Angles refinement of connection of radio and optical reference systems of coordinates on basis CCD observation of the expanded list of extragalactic radiosources by Nikolaev and Shanghai astronomical observatories popup.stage_title Head Pinigin Gennady Ivanovich, Registration Date 26-12-2003 Organization Research Institute "Nikolaev Astronomical Observatory" popup.description2 Good quality CCD observation of 269 areas around of extragalctic radiosources (ERS) have been obtained. Part of ERS has been observed with 1-meter telescope of Yunnan Astronomical Observatory. Development of software and data processing of all observation have been carried out. The catalog of 174 ERS with accuracy 30 mas has been compiled. The values of angles of connection optical and radio reference frames in zone of declination from -40 to +80 degr. are calculated: : Wx=-13.1±6.1, Wy=2.7±6.2 Wz=6.7±4.9 mas Product Description popup.authors popup.nrat_date 2020-04-02 Close