Photon Scattering & Gas Shroud Model
log N_H = 23.80
2400 km/s
0.15 mag
18,000 K
Breakthrough Physics: At cosmic dawn ($z>5$), extreme gas column densities ($\log N_H \approx 23.8$) produce Balmer break absorption ($\lambda < 3646$ Å) & resonant electron scattering, creating the 'Little Red Dot' spectrum without requiring unphysical early dust.
Rest-Frame SED Decomposition (1000 - 8000 Å)
Intrinsic AGN
Pure Dust (SMC)
Emerging Observed
Dominant Reddening Mechanism:
Dense Gas Envelope (Balmer Continuum + Resonant Scattering)
Balmer Jump Opt Depth (τ_BE)
2.41
Dust Optical Depth (τ_V)
0.138
Balmer Decrement (Hα/Hβ)
4.85
Hα Equivalent Width (EW)
320.5 Å
UV-Optical Index (β)
2.14
Virial BH Mass (M_BH)
4.2 × 10⁷ M☉
JWST NIRCam F115W/F150W/F444W Color Consistency: Optimal Fit (χ²_red = 1.04)
Redshift: z = 6.80