Harvard Spectral Classification

About the catalogue

The system that orders stars by the appearance of their spectra into the temperature sequence O B A F G K M, developed at Harvard under Edward Pickering and brought to its final form by Annie Jump Cannon. It remains the basis of stellar classification.

Compiled by

By

Annie Jump Cannon

By

Edward Charles Pickering

Knowledge connections

Introduced byAnnie Jump Cannon
Introduced byEdward Charles Pickering
Part ofModern Astronomy
Associated withSpectral Classification
Associated withVizieR
Associated withLuminosity Classification

Sources & references

Facts on this topic will be cited from these primary and reference sources.

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.
BritannicaEncyclopaedia Britannica
General reference for the history of astronomy, biographies, and cultural context.

Loading…