6C** sample of steep-spectrum radio sources

We present basic observational data on the 6C** sample. This is a new sample of radio sources drawn from the 151-MHz 6C survey, which was filtered with radio criteria chosen to...本研究提供了6C**样本的基础观测数据。该样本为取自151兆赫兹（MHz）6C巡天的全新射电源样本，且已通过预先选定的射电选源标准完成筛选……