Cosmic Dawn Reddened Black Hole Simulator

Nature (2025/2026) High-z Quasar Benchmark
Astrophysical Presets
Physical Parameters
Black Hole Mass (MBH) 1.0 × 10⁷ M☉
Eddington Ratio (λEdd = L/LEdd) 1.20
Dust Extinction (AV mag) 4.80 mag
Gas Column Density (NH) 2.5 × 10²³ cm⁻²
Cosmological Redshift (z) 8.50
Extinction Curve
Cosmic Growth & Timescale
Universe Age at z: 580 Myr
Compton Depth (τT): 0.17 Compton-Thin
Rest-UV Attenuation: 14.4 mag
Bolometric Luminosity
1.51e+45
erg / s
Salpeter Doubling Time
37.5
Million Years
Observed SED Peak
3.85
microns (Observed)
JWST F444W Flux
23.15
AB Apparent Mag
Radiative Transfer Cocoon Interactive Photon Transport
Rest UV Photons (Escaping)
Scattered / Dust Reddened
Accretion Disk Hotspot
Spectral Energy Distribution (SED)
Intrinsic AGN Continuum
Enshrouded Observed SED
Dust IR Re-emission
JWST Bandpasses
Synthetic JWST NIRCam & MIRI Photometry
Filter Pivot λ (μm) Rest λ (Å) Flux Density (nJy) AB Apparent Mag Attenuation
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