Cosmic Dawn Black Hole Gas Reddening Simulator
Nature Research Discovery • Radiative Transfer vs Dust Extinction
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Presets & Astrophysics Engine
LRD Benchmark (z=7.1)
SMC Dust AGN
Unreddened Quasar
Gas & Black Hole Parameters
Cosmic Redshift (z)
7.10
Column Density log(N_H / cm⁻²)
23.80
Turbulence Dispersion σ_v (km/s)
850
Ionization Parameter log(U)
-2.50
Accretion Disk Temp T_eff (10⁴ K)
4.5
Diagnostic Metrics
UV Slope (β_UV)
-0.42
Opt Slope (α_opt)
+1.84
Thomson Depth τ_e
0.42
Balmer Jump Ratio
2.75
Spectral Energy Distribution (SED) [Observed Frame]
Intrinsic Disk
Dense Gas Model
SMC Dust Model
JWST NIRCam Photometry
Optical Depth τ(λ) Decomposition
Synthetic JWST NIRCam Photometry
Filter
λ_eff (μm)
Gas (nJy)
Dust (nJy)
Obs (nJy)
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