Hipparcos

常见例句

• The ESA astrometry satellite HIPPARCOS will be launched in the first part of 1988 or later.
  欧洲空间局专门用作空间天体测量的伊巴谷卫星将于1988年上半年发射。
• Based on the Infrared Astronomical Satellite (IRAS), the Two Micron All Sky Survey (2MASS) and the Hipparcos Catalog and so on, we have studied almost all known Galactic Be stars.
  基于红外天文卫星(IRAS)、二微米全天巡天(2MASS)和依巴谷(Hipparcos)星表等，我们研究了银河系中几乎所有已知的Be星。
• There are 4 Hipparcos stars among the 11 stars. The mean internal errors of proper motions of them in right ascension and declination are 0. 024ms/a and 0. 21mas/a, respectively.
  其中有4颗是依巴谷星，它们的赤经和赤纬自行精度的平均值分别为0.;024ms/a和0
• Comparing the PPM and ACRS proper motions, which are constructed on the FK5 system, with those of the Hipparcos, an interiorly nonrigid rotation existing in the FK5 proper-motion system is detected.
  用建立在FK5系统上的PPM和ACRS自行与依巴谷自行比较 ,发现FK5自行系统内部存在非刚性运动 ;
• In response to the demanding of The IAU Working Group "Earth Rotation in the HIPPARCOS Reference Frame" ,the observational data of Shanghai Photoelectric Astrolabe since 1974 have been reorganized, and also transferred in machine readable form.
  根据IAU重新归算地球自转参数的要求,对上海天文台光电等高仪自1974年以来的观测资料作了重新整理,并录成机器可读的形式。
• Proper-motion differences between the FK5 and Hipparcos systems cannot be explained by the constant of the FK5 precessional correction, which is given by the VLBI and LLR observations.
  同时无法用VLBI及LLR所测定的岁差改正值来解释FK5与依巴谷自行系统的关系。
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