Technique · Spectroscopy & Classification
Spectral Classification
Sorting stars by the lines in their spectra into the sequence O, B, A, F, G, K, M — a classification that turned out to be an ordering by temperature, and the basis of the Hertzsprung–Russell diagram.
Spectroscopy & ClassificationMeasures: A star's type from its spectrum
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Knowledge connections
- Member of groupSpectroscopy & Classification
- Associated withHarvard Spectral Classification
- Associated withClassification
- Associated withSupernova Classification
- Associated withThe Hertzsprung–Russell Diagram
- Associated withLuminosity Classification
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.