Evidence for Stratified Accretion Disk Wind in AGN
Research Paper#Astrophysics/AGN🔬 Research|Analyzed: Jan 3, 2026 19:50•
Published: Dec 27, 2025 14:49
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•ArXivAnalysis
This paper provides observational evidence supporting the existence of a stratified accretion disk wind in Active Galactic Nuclei (AGN). The analysis of multi-wavelength spectroscopic data reveals distinct emission line profiles and kinematic signatures, suggesting a structured outflow. This is significant because it provides constraints on the geometry and physical conditions of AGN winds, which is crucial for understanding the processes around supermassive black holes.
Key Takeaways
- •Observational evidence supports a stratified accretion disk wind in AGN.
- •Different emission lines reveal distinct kinematic signatures, suggesting a structured outflow.
- •High-ionization lines indicate fast, inner winds, while low-ionization lines suggest slower, outer regions.
- •Results are consistent with radiatively driven wind models.
Reference / Citation
View Original"High-ionization lines (e.g., Civ λ1549) exhibit strong blueshifts and asymmetric profiles indicative of fast, inner winds, while low-ionization lines (e.g., Hβ, Mgii λ 2800) show more symmetric profiles consistent with predominant emission from slower, denser regions farther out."