2016A matched filter of Miyazaki, Naoto-kun, who graduated in the year thesis that "Suzaku" was applied to the AGN and the magnetar was observed was published in PASJ。By applying the technique which can determine the presence or absence of emission lines or absorption lines regardless of the spectral fit、Check the ultra fast outflow from the AGN、It puts the upper limit of the cyclotron structure of the magnetar。You can see from the astro-ph。https://arxiv.org/abs/1609.06177

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https://academic.oup.com/pasj/article-abstract/68/6/100/2664382/Matched-filtering-line-search-methods-applied-to?redirectedFrom=PDF