The 3C and 3CR Catalogues

The 3C Catalog is the result of observations with the Cambridge four-element interferometer at a frequency of 159MHz, and contains 471 sources between declinations -22 and...3C星表（3C Catalog）是利用剑桥四元件干涉仪在159MHz频率下开展观测所得到的成果，共收录了赤纬范围为-22至……之间的471个射电源。