Transient obscuration event captured in NGC 3227 - II. Warm absorbers and obscuration events in archival XMM-Newton and NuSTAR observations
Yijun Wang, Jelle Kaastra, Missagh Mehdipour, Junjie Mao, Elisa Costantini, Gerard A. Kriss, Ciro Pinto, Gabriele Ponti, Ehud Behar, Stefano Bianchi, Graziella Branduardi-Raymont, Barbara De Marco, Sam Grafton-Waters, Pierre-Olivier Petrucci, Jacobo Ebrero, Dominic James Walton, Shai Kaspi, Yongquan Xue, Stéphane Paltani, Laura di Gesu and Zhicheng He
A&A, 657 (2022) A77
DOI: https://doi.org/10.1051/0004-6361/202141599
