The International Celestial Reference Frame (ICRF) is a realization of the International Celestial Reference System using reference celestial sources observed at radio wavelengths.

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ICRF3是国际天球参考架第三次的重大修正，于2018年8月由国际天文学联合会通过，自2019年1月1日起生效。 建模时结合了太阳系对银河中心的加速度，这是ICRF2所没有的新功能。 ICRF3 …

2020年10月26日 · Abstract: A new realization of the International Celestial Reference Frame (ICRF) is presented based on the work achieved by a working group of the International …

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2022年7月7日 · We briefly review the history of the transition from the Fundamental Katalog 5 (FK5) optical frame to VLBI-based frames with attention to each of the three generations: …

The International Celestial Reference Frame (ICRF) based on the VLBI-derived positions of 608 extragalactic radio sources was adopted by the International Astronomical Union (IAU) in 1998 …

A new realization of the International Celestial Reference Frame (ICRF) is presented based on the work achieved by a working group of the International Astronomical Union (IAU) mandated for …

ICRF = realization of the ICRS . through a sufficient number of coordinate pairs (𝛼𝛼,𝛿𝛿) of extragalactic radio sources determined by geodetic / astrometric analysis of VLBI observations • An . …