Time-resolved XRISM spectroscopy shows the corona in MCG-6-30-15 expands to ~15 rg and reaches 0.27c during a flare, collapses to within 2.5 rg during dips, and the black hole has spin a > 0.93.
Properties of AGN coronae in the NuSTAR era - II. Hybrid plasma
3 Pith papers cite this work. Polarity classification is still indexing.
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Turbulent electron-ion coronae around accreting black holes self-regulate into a two-temperature state that generates nonthermal ions and X-ray spectra consistent with observations including an MeV tail.
2MASX J0413-0050 transitioned from a narrow-line Seyfert 1 to a Seyfert 1.9 and back while remaining in a high accretion state, supporting classification as a changing-state AGN.
citing papers explorer
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Time-resolved XRISM spectroscopy reveals the evolution and structure of the corona in MCG-6-30-15
Time-resolved XRISM spectroscopy shows the corona in MCG-6-30-15 expands to ~15 rg and reaches 0.27c during a flare, collapses to within 2.5 rg during dips, and the black hole has spin a > 0.93.
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High-energy Emission from Turbulent Electron-ion Coronae of Accreting Black Holes
Turbulent electron-ion coronae around accreting black holes self-regulate into a two-temperature state that generates nonthermal ions and X-ray spectra consistent with observations including an MeV tail.
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An X-ray and optical spectral study of the changing-look narrow-line Seyfert 1 2MASX J0413-0050
2MASX J0413-0050 transitioned from a narrow-line Seyfert 1 to a Seyfert 1.9 and back while remaining in a high accretion state, supporting classification as a changing-state AGN.