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20242026
most citedX-Ray Spectral Variability of the TeV HBL Blazar PG 1553+113 with XMM-Newton

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astro-ph.GA2024

Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs

Li-tao Zhu, Zhongxiang Wang, P. U. Devanand +6

We develop a simple method to search for changing-look (CL) active galactic nucleus (AGN) candidates, and conduct a test run. In this method, optical variations of AGNs are monitor…