XRISM Resolve spectrum of Cygnus A resolves the Fe Kα line into two Keplerian components at ~0.1 pc (broad) and ~6-10 pc (narrow), consistent with BLR and torus origins.
S., Mewe, R., & Nieuwenhuijzen, H
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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.
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.
citing papers explorer
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XRISM detection of the 6.4 keV Fe K$\alpha$ line in the radio galaxy Cygnus A
XRISM Resolve spectrum of Cygnus A resolves the Fe Kα line into two Keplerian components at ~0.1 pc (broad) and ~6-10 pc (narrow), consistent with BLR and torus origins.
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Complex Nuclear Structure in Seyfert 2 Galaxy NGC 4388 Revealed by XRISM Observation
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.
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A XRISM Study of Highly Ionized Iron Emission Lines from the Low-Eddington-ratio AGN in NGC 7213
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.