04 Model fλ = C (λ/λ0)β + Σl Fl δ(λ−λl)
continuum
C amplitude at λ₀=2 μm
free ≥ 0
λ0 pivot [μm]
fixed
β slope
fixed physics
z
fixed
AV dust, differential on ties, ±σ in MC
fixed
±
nebular conditions sets the Balmer tie ratios (Osterbrock & Ferland 2006)
case
Te [K]
ne [cm−³]
emission lines
| line | λrest | λobs | in band | role | tie |
|---|
reported ratios
error budget
method
Pick a window preset, enter band fluxes,
set every parameter's role, and run the fit.