Second VLBA calibrator survey: VCS2

This paper presents an extension of the Very Long Baseline Array Calibrator Survey, called VCS2, containing 276 sources. This survey fills in regions of the sky that were not...本文介绍了甚长基线阵列校准器巡天（Very Long Baseline Array Calibrator Survey）的扩展版本VCS2，该数据集共包含276个天体源。本次巡天填补了此前未被覆盖的天区。