XRISM spectroscopy of NGC 4388 shows the Fe Kα line arising from the torus, inner torus edge, and BLR at distinct radii, with absorption revealing a gravitationally bound failed wind.
S., Mewe, R., & Nieuwenhuijzen, H
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XRISM observations of NGC 7213 indicate that highly ionized iron lines cannot be uniquely attributed to photoionization or collisional ionization, with possible evidence that emitting gas density decreases at lower Eddington ratios.