Hydrogen column density variability in a sample of local Compton-thin AGNDOI: info:10.1051/0004-6361/202345947v. 678
Torres-Albà, N., Marchesi, S., Zhao, Xiurui, Cox, I., Pizzetti, A., Sengupta, D., Ajello, M., and Silver, R. 2023. "Hydrogen column density variability in a sample of local Compton-thin AGN." Astronomy and Astrophysics, 678. https://doi.org/10.1051/0004-6361/202345947.