钱德拉的数据，揭示了西方斯威夫特核心(右)是一个前所未知的活动星系核，过去的研究已经确定了一个核心的活动星系核在东。
Data from Swift and Chandra reveal the western core (right) to be a previously unknown AGN; past studies already had identified an AGN in the eastern core.
钱德拉的数据，揭示了西方斯威夫特核心(右)是一个前所未知的活动星系核，过去的研究已经确定了一个核心的活动星系核在东。
Data from Swift and Chandra reveal the western core (right) to be a previously unknown AGN; past studies already had identified an AGN in the eastern core.
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