摘要
本文综述了河外射电源射电参考系,基于河外射电源的光学参考系,空间天体测最以及参考系之间联系的进展。
In this paper, the progress of the radio reference systems of extragalactic radio ssources and the optical reference systems of its optical counterparts, the present situations of the space astrometry and the linking problems between the reference ystems are discussed.
出处
《天文学进展》
CSCD
北大核心
1992年第3期219-227,共9页
Progress In Astronomy
基金
国家自然科学基金