Xinglong spectra of two changing-look SDSS AGNs
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We report a spectroscopic identification of two new changing-look active galactic nuclei (CL-AGNs): SDSSJ104705.16+544405.8 and SDSSJ120447.91+170256.8, both with a "turn-off"...
本研究报道了两例新发现的变貌活动星系核（changing-look active galactic nuclei, CL-AGNs）的光谱证认结果，其天体编号分别为SDSSJ104705.16+544405.8与SDSSJ120447.91+170256.8，二者均呈现出"turn-off"现象……
