Browsing by Author "Kaastra, Jelle"

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    • Transient obscuration event captured in NGC~3227 II. Warm absorbers and obscuration events in archival XMM-Newton and NuSTAR observations 

      Wang, Yijun; Kaastra, Jelle; Mehdipour, Missagh; Mao, Junjie; Costantini, Elisa; Kriss, Gerard A.; Pinto, Ciro; Ponti, Gabriele; Behar, Ehud; Bianchi, Stefano; Branduardi-Raymont, Graziella; Marco, Barbara De; Grafton-Waters, Sam; Petrucci, Pierre-Olivier; Ebrero, Jacobo; Walton, Dominic James; Kaspi, Shai; Xue, Yongquan; Paltani, Stéphane; Gesu, Laura di; He, Zhicheng (2022-01-14)
      The relationship between warm absorber (WA) outflows of active galactic nuclei and nuclear obscuration activities caused by optically thick clouds (obscurers) crossing the line of sight is still unclear. NGC 3227 is a ...