Stellar Spectrum Lab
Slide the stellar temperature to shift the Planck peak and watch Balmer lines strengthen and fade across OBAFGKM.
Spectral classG
Peak wavelength500 nm
Balmer-line depth17%
Interactive model — simplified for intuition, not precision ephemerides.
Concepts in this lab
planck curvewien lawbalmer linesspectral class
Connected topic
Open lessonStellar spectra
A complete introduction to Stellar spectra within Stellar properties, linking observations, physical models, history and modern applications.