Active extragalactic objects I.
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As one part of a program to detect complete samples of active extragalactic objects, the 3.36x10^-3^sr field centered on alpha=12h04min, delta=+11deg30' (1950.0) was mapped with...
作为探测活动河外天体(active extragalactic objects)完整样本巡天计划的一部分,以赤经12时04分、赤纬+11°30′(历元1950.0)为中心的3.36×10⁻³球面度(steradian)天区已被开展巡天观测,所用的……



