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| physical object > natural object > celestial body > star > early star > B star > Be star > B[e] star | 
| B[e] star comparison table | |||
| Subject | is a kind of | has emission line | has definition | 
|---|---|---|---|
| Be star | B star | at least one of the Balmer lines at some time | Non-supergiant B-type stars, which have shown emission in at least one of the Balmer lines at some time. | 
| B[e] star | Be star | forbidden lines | Be stars exhibiting forbidden lines in emission. Jaschek, C., Jaschek, M. 1995 The Behavior of Chemical Elements in Stars, Cambridge University Press | 
 Up: Be star