3627 International Celestial Reference Frame sources
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The third iteration of the International Celestial Reference Frame (ICRF3) is made up of 4536 quasars observed at S/X bands using very-long-baseline interferometry. These...
国际天球参考架第三版（International Celestial Reference Frame 3, ICRF3）由4536颗类星体构成，这些类星体均通过甚长基线干涉测量（very-long-baseline interferometry）技术在S/X波段完成观测。这些……
