Stellar Absorption Spectrum (Fraunhofer Lines)
Observed spectral continuum showing Hydrogen Balmer absorption lines (Hα 656nm, Hβ 486nm, Hγ 434nm, Hδ 410nm) attenuated by dust scattering (I = I₀ e⁻ᵀ).
Galactic Railroad Celestial Log
Miyazawa Astronomical Expedition Record
2026-07-27
Observed Target
Deneb (α Cygni)
Spectral Class & Temp
A2Ia (8,520 K)
Wien Peak Wavelength
340 nm (UV/Violet)
Optical Depth (Extinction τ)
0.15 (Clear Void)
Status: Stellar continuum peak calculated at 340 nm. Balmer absorption lines prominent for Class A supergiant. Light attenuation factor: 86.1% transmission.