2 papers
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…
astro-ph.HE2024
Fermi Blazars in the Zwicky Transient Facility Survey: Properties of Large Optical Variations
Si-Si Sun, Zhongxiang Wang, Shun-hao Ji
We analyze the optical light-curve data, obtained with the Zwicky Transient Facility (ZTF) survey, for 47 gamma-ray blazars monitored by the Large Area Telescope onboard {\it the F…