B3 0749+460A: A New Repeat "Changing-Look" Active Galactic Nucleus Associated with X-Ray Spectral Slope Variations
Research in Astronomy and Astrophysics（2021）
Key words
galaxies,Seyfert,galaxies,nuclei,(galaxies,) quasars,emission lines,(galaxies,) quasars,individual (B3 0749+460A),X-rays,galaxies
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined